diff options
Diffstat (limited to 'shell/ash.c')
| -rw-r--r-- | shell/ash.c | 5495 |
1 files changed, 2705 insertions, 2790 deletions
diff --git a/shell/ash.c b/shell/ash.c index 0997519..15ec043 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -90,21 +90,21 @@ */ /* Syntax classes */ -#define CWORD 0 /* character is nothing special */ -#define CNL 1 /* newline character */ -#define CBACK 2 /* a backslash character */ -#define CSQUOTE 3 /* single quote */ -#define CDQUOTE 4 /* double quote */ -#define CENDQUOTE 5 /* a terminating quote */ -#define CBQUOTE 6 /* backwards single quote */ -#define CVAR 7 /* a dollar sign */ -#define CENDVAR 8 /* a '}' character */ -#define CLP 9 /* a left paren in arithmetic */ -#define CRP 10 /* a right paren in arithmetic */ -#define CENDFILE 11 /* end of file */ -#define CCTL 12 /* like CWORD, except it must be escaped */ -#define CSPCL 13 /* these terminate a word */ -#define CIGN 14 /* character should be ignored */ +#define CWORD 0 /* character is nothing special */ +#define CNL 1 /* newline character */ +#define CBACK 2 /* a backslash character */ +#define CSQUOTE 3 /* single quote */ +#define CDQUOTE 4 /* double quote */ +#define CENDQUOTE 5 /* a terminating quote */ +#define CBQUOTE 6 /* backwards single quote */ +#define CVAR 7 /* a dollar sign */ +#define CENDVAR 8 /* a '}' character */ +#define CLP 9 /* a left paren in arithmetic */ +#define CRP 10 /* a right paren in arithmetic */ +#define CENDFILE 11 /* end of file */ +#define CCTL 12 /* like CWORD, except it must be escaped */ +#define CSPCL 13 /* these terminate a word */ +#define CIGN 14 /* character should be ignored */ #define SYNBASE 130 #define PEOF -130 @@ -149,7 +149,7 @@ #define CTLVAR '\202' #define CTLENDVAR '\203' #define CTLBACKQ '\204' -#define CTLQUOTE 01 /* ored with CTLBACKQ code if in quotes */ +#define CTLQUOTE 01 /* ored with CTLBACKQ code if in quotes */ /* CTLBACKQ | CTLQUOTE == '\205' */ #define CTLARI '\206' #define CTLENDARI '\207' @@ -171,33 +171,33 @@ #define digit_val(c) ((c) - '0') -#define S_DFL 1 /* default signal handling (SIG_DFL) */ -#define S_CATCH 2 /* signal is caught */ -#define S_IGN 3 /* signal is ignored (SIG_IGN) */ -#define S_HARD_IGN 4 /* signal is ignored permenantly */ -#define S_RESET 5 /* temporary - to reset a hard ignored sig */ +#define S_DFL 1 /* default signal handling (SIG_DFL) */ +#define S_CATCH 2 /* signal is caught */ +#define S_IGN 3 /* signal is ignored (SIG_IGN) */ +#define S_HARD_IGN 4 /* signal is ignored permenantly */ +#define S_RESET 5 /* temporary - to reset a hard ignored sig */ /* variable substitution byte (follows CTLVAR) */ -#define VSTYPE 0x0f /* type of variable substitution */ -#define VSNUL 0x10 /* colon--treat the empty string as unset */ -#define VSQUOTE 0x80 /* inside double quotes--suppress splitting */ +#define VSTYPE 0x0f /* type of variable substitution */ +#define VSNUL 0x10 /* colon--treat the empty string as unset */ +#define VSQUOTE 0x80 /* inside double quotes--suppress splitting */ /* values of VSTYPE field */ -#define VSNORMAL 0x1 /* normal variable: $var or ${var} */ -#define VSMINUS 0x2 /* ${var-text} */ -#define VSPLUS 0x3 /* ${var+text} */ -#define VSQUESTION 0x4 /* ${var?message} */ -#define VSASSIGN 0x5 /* ${var=text} */ -#define VSTRIMLEFT 0x6 /* ${var#pattern} */ -#define VSTRIMLEFTMAX 0x7 /* ${var##pattern} */ -#define VSTRIMRIGHT 0x8 /* ${var%pattern} */ -#define VSTRIMRIGHTMAX 0x9 /* ${var%%pattern} */ -#define VSLENGTH 0xa /* ${#var} */ +#define VSNORMAL 0x1 /* normal variable: $var or ${var} */ +#define VSMINUS 0x2 /* ${var-text} */ +#define VSPLUS 0x3 /* ${var+text} */ +#define VSQUESTION 0x4 /* ${var?message} */ +#define VSASSIGN 0x5 /* ${var=text} */ +#define VSTRIMLEFT 0x6 /* ${var#pattern} */ +#define VSTRIMLEFTMAX 0x7 /* ${var##pattern} */ +#define VSTRIMRIGHT 0x8 /* ${var%pattern} */ +#define VSTRIMRIGHTMAX 0x9 /* ${var%%pattern} */ +#define VSLENGTH 0xa /* ${#var} */ /* flags passed to redirect */ -#define REDIR_PUSH 01 /* save previous values of file descriptors */ -#define REDIR_BACKQ 02 /* save the command output to pipe */ +#define REDIR_PUSH 01 /* save previous values of file descriptors */ +#define REDIR_BACKQ 02 /* save the command output to pipe */ /* * BSD setjmp saves the signal mask, which violates ANSI C and takes time, @@ -236,7 +236,7 @@ static void change_lc_ctype(const char *value); * more fun than worrying about efficiency and portability. :-)) */ -static void onint (void); +static void onint(void); static volatile int suppressint; static volatile int intpending; @@ -245,8 +245,9 @@ static volatile int intpending; #define INTON { if (--suppressint == 0 && intpending) onint(); } #define FORCEINTON {suppressint = 0; if (intpending) onint();} #else -static void __inton (void); -static void forceinton (void); +static void __inton(void); +static void forceinton(void); + #define INTON __inton() #define FORCEINTON forceinton() #endif @@ -256,16 +257,17 @@ static void forceinton (void); typedef void *pointer; + #ifndef NULL #define NULL (void *)0 #endif -static pointer stalloc (int); -static void stunalloc (pointer); -static void ungrabstackstr (char *, char *); -static char * growstackstr(void); -static char * makestrspace(size_t newlen); -static char *sstrdup (const char *); +static pointer stalloc(int); +static void stunalloc(pointer); +static void ungrabstackstr(char *, char *); +static char *growstackstr(void); +static char *makestrspace(size_t newlen); +static char *sstrdup(const char *); /* * Parse trees for commands are allocated in lifo order, so we use a stack @@ -276,7 +278,7 @@ static char *sstrdup (const char *); * well. */ -#define MINSIZE 504 /* minimum size of a block */ +#define MINSIZE 504 /* minimum size of a block */ struct stack_block { @@ -313,12 +315,12 @@ static int stacknleft = MINSIZE; #ifdef DEBUG #define TRACE(param) trace param typedef union node unode; -static void trace (const char *, ...); -static void trargs (char **); -static void showtree (unode *); -static void trputc (int); -static void trputs (const char *); -static void opentrace (void); +static void trace(const char *, ...); +static void trargs(char **); +static void showtree(unode *); +static void trputc(int); +static void trputs(const char *); +static void opentrace(void); #else #define TRACE(param) #endif @@ -353,19 +355,19 @@ static void opentrace (void); /* * expandarg() flags */ -#define EXP_FULL 0x1 /* perform word splitting & file globbing */ -#define EXP_TILDE 0x2 /* do normal tilde expansion */ -#define EXP_VARTILDE 0x4 /* expand tildes in an assignment */ -#define EXP_REDIR 0x8 /* file glob for a redirection (1 match only) */ -#define EXP_CASE 0x10 /* keeps quotes around for CASE pattern */ -#define EXP_RECORD 0x20 /* need to record arguments for ifs breakup */ +#define EXP_FULL 0x1 /* perform word splitting & file globbing */ +#define EXP_TILDE 0x2 /* do normal tilde expansion */ +#define EXP_VARTILDE 0x4 /* expand tildes in an assignment */ +#define EXP_REDIR 0x8 /* file glob for a redirection (1 match only) */ +#define EXP_CASE 0x10 /* keeps quotes around for CASE pattern */ +#define EXP_RECORD 0x20 /* need to record arguments for ifs breakup */ #define NOPTS 16 static char optet_vals[NOPTS]; -static const char * const optlist[NOPTS] = { +static const char *const optlist[NOPTS] = { "e" "errexit", "f" "noglob", "I" "ignoreeof", @@ -413,121 +415,121 @@ static const char * const optlist[NOPTS] = { struct nbinary { - int type; - union node *ch1; - union node *ch2; + int type; + union node *ch1; + union node *ch2; }; struct ncmd { - int type; - int backgnd; - union node *assign; - union node *args; - union node *redirect; + int type; + int backgnd; + union node *assign; + union node *args; + union node *redirect; }; struct npipe { - int type; - int backgnd; - struct nodelist *cmdlist; + int type; + int backgnd; + struct nodelist *cmdlist; }; struct nredir { - int type; - union node *n; - union node *redirect; + int type; + union node *n; + union node *redirect; }; struct nif { - int type; - union node *test; - union node *ifpart; - union node *elsepart; + int type; + union node *test; + union node *ifpart; + union node *elsepart; }; struct nfor { - int type; - union node *args; - union node *body; - char *var; + int type; + union node *args; + union node *body; + char *var; }; struct ncase { - int type; - union node *expr; - union node *cases; + int type; + union node *expr; + union node *cases; }; struct nclist { - int type; - union node *next; - union node *pattern; - union node *body; + int type; + union node *next; + union node *pattern; + union node *body; }; struct narg { - int type; - union node *next; - char *text; - struct nodelist *backquote; + int type; + union node *next; + char *text; + struct nodelist *backquote; }; struct nfile { - int type; - union node *next; - int fd; - union node *fname; - char *expfname; + int type; + union node *next; + int fd; + union node *fname; + char *expfname; }; struct ndup { - int type; - union node *next; - int fd; - int dupfd; - union node *vname; + int type; + union node *next; + int fd; + int dupfd; + union node *vname; }; struct nhere { - int type; - union node *next; - int fd; - union node *doc; + int type; + union node *next; + int fd; + union node *doc; }; struct nnot { - int type; - union node *com; + int type; + union node *com; }; union node { - int type; - struct nbinary nbinary; - struct ncmd ncmd; - struct npipe npipe; - struct nredir nredir; - struct nif nif; - struct nfor nfor; - struct ncase ncase; - struct nclist nclist; - struct narg narg; - struct nfile nfile; - struct ndup ndup; - struct nhere nhere; - struct nnot nnot; + int type; + struct nbinary nbinary; + struct ncmd ncmd; + struct npipe npipe; + struct nredir nredir; + struct nif nif; + struct nfor nfor; + struct ncase ncase; + struct nclist nclist; + struct narg narg; + struct nfile nfile; + struct ndup ndup; + struct nhere nhere; + struct nnot nnot; }; @@ -536,11 +538,11 @@ struct nodelist { union node *n; }; -struct backcmd { /* result of evalbackcmd */ - int fd; /* file descriptor to read from */ - char *buf; /* buffer */ - int nleft; /* number of chars in buffer */ - struct job *jp; /* job structure for command */ +struct backcmd { /* result of evalbackcmd */ + int fd; /* file descriptor to read from */ + char *buf; /* buffer */ + int nleft; /* number of chars in buffer */ + struct job *jp; /* job structure for command */ }; struct cmdentry { @@ -564,25 +566,25 @@ struct arglist { }; struct strpush { - struct strpush *prev; /* preceding string on stack */ + struct strpush *prev; /* preceding string on stack */ char *prevstring; int prevnleft; #ifdef CONFIG_ASH_ALIAS - struct alias *ap; /* if push was associated with an alias */ + struct alias *ap; /* if push was associated with an alias */ #endif - char *string; /* remember the string since it may change */ + char *string; /* remember the string since it may change */ }; struct parsefile { - struct parsefile *prev; /* preceding file on stack */ - int linno; /* current line */ - int fd; /* file descriptor (or -1 if string) */ - int nleft; /* number of chars left in this line */ - int lleft; /* number of chars left in this buffer */ - char *nextc; /* next char in buffer */ - char *buf; /* input buffer */ - struct strpush *strpush; /* for pushing strings at this level */ - struct strpush basestrpush; /* so pushing one is fast */ + struct parsefile *prev; /* preceding file on stack */ + int linno; /* current line */ + int fd; /* file descriptor (or -1 if string) */ + int nleft; /* number of chars left in this line */ + int lleft; /* number of chars left in this buffer */ + char *nextc; /* next char in buffer */ + char *buf; /* input buffer */ + struct strpush *strpush; /* for pushing strings at this level */ + struct strpush basestrpush; /* so pushing one is fast */ }; struct stackmark { @@ -593,11 +595,11 @@ struct stackmark { }; struct shparam { - int nparam; /* # of positional parameters (without $0) */ - unsigned char malloc; /* if parameter list dynamically allocated */ - char **p; /* parameter list */ - int optind; /* next parameter to be processed by getopts */ - int optoff; /* used by getopts */ + int nparam; /* # of positional parameters (without $0) */ + unsigned char malloc; /* if parameter list dynamically allocated */ + char **p; /* parameter list */ + int optind; /* next parameter to be processed by getopts */ + int optoff; /* used by getopts */ }; /* @@ -608,46 +610,58 @@ struct shparam { * We should investigate converting to a linear search, even though that * would make the command name "hash" a misnomer. */ -#define CMDTABLESIZE 31 /* should be prime */ -#define ARB 1 /* actual size determined at run time */ +#define CMDTABLESIZE 31 /* should be prime */ +#define ARB 1 /* actual size determined at run time */ struct tblentry { - struct tblentry *next; /* next entry in hash chain */ - union param param; /* definition of builtin function */ - short cmdtype; /* index identifying command */ - char rehash; /* if set, cd done since entry created */ - char cmdname[ARB]; /* name of command */ + struct tblentry *next; /* next entry in hash chain */ + union param param; /* definition of builtin function */ + short cmdtype; /* index identifying command */ + char rehash; /* if set, cd done since entry created */ + char cmdname[ARB]; /* name of command */ }; static struct tblentry *cmdtable[CMDTABLESIZE]; -static int builtinloc = -1; /* index in path of %builtin, or -1 */ -static int exerrno = 0; /* Last exec error */ +static int builtinloc = -1; /* index in path of %builtin, or -1 */ +static int exerrno = 0; /* Last exec error */ -static void tryexec (char *, char **, char **); -static void printentry (struct tblentry *, int); -static void clearcmdentry (int); -static struct tblentry *cmdlookup (const char *, int); -static void delete_cmd_entry (void); -static int path_change (const char *, int *); +static void tryexec(char *, char **, char **); +static void printentry(struct tblentry *, int); +static void clearcmdentry(int); +static struct tblentry *cmdlookup(const char *, int); +static void delete_cmd_entry(void); +static int path_change(const char *, int *); -static void flushall (void); -static void out2fmt (const char *, ...) - __attribute__((__format__(__printf__,1,2))); -static int xwrite (int, const char *, int); +static void flushall(void); +static void out2fmt(const char *, ...) + __attribute__ ((__format__(__printf__, 1, 2))); +static int xwrite(int, const char *, int); -static inline void outstr (const char *p, FILE *file) { fputs(p, file); } -static void out1str(const char *p) { outstr(p, stdout); } -static void out2str(const char *p) { outstr(p, stderr); } +static inline void outstr(const char *p, FILE * file) +{ + fputs(p, file); +} +static void out1str(const char *p) +{ + outstr(p, stdout); +} +static void out2str(const char *p) +{ + outstr(p, stderr); +} #ifndef CONFIG_ASH_OPTIMIZE_FOR_SIZE #define out2c(c) putc((c), stderr) #else -static void out2c(int c) { putc(c, stderr); } +static void out2c(int c) +{ + putc(c, stderr); +} #endif @@ -656,28 +670,43 @@ static void out2c(int c) { putc(c, stderr); } #endif /* number syntax index */ -#define BASESYNTAX 0 /* not in quotes */ -#define DQSYNTAX 1 /* in double quotes */ -#define SQSYNTAX 2 /* in single quotes */ -#define ARISYNTAX 3 /* in arithmetic */ +#define BASESYNTAX 0 /* not in quotes */ +#define DQSYNTAX 1 /* in double quotes */ +#define SQSYNTAX 2 /* in single quotes */ +#define ARISYNTAX 3 /* in arithmetic */ static const char S_I_T[][4] = { - /* 0 */ { CSPCL, CIGN, CIGN, CIGN }, /* PEOA */ - /* 1 */ { CSPCL, CWORD, CWORD, CWORD }, /* ' ' */ - /* 2 */ { CNL, CNL, CNL, CNL }, /* \n */ - /* 3 */ { CWORD, CCTL, CCTL, CWORD }, /* !*-/:=?[]~ */ - /* 4 */ { CDQUOTE, CENDQUOTE, CWORD, CDQUOTE }, /* '"' */ - /* 5 */ { CVAR, CVAR, CWORD, CVAR }, /* $ */ - /* 6 */ { CSQUOTE, CWORD, CENDQUOTE, CSQUOTE }, /* "'" */ - /* 7 */ { CSPCL, CWORD, CWORD, CLP }, /* ( */ - /* 8 */ { CSPCL, CWORD, CWORD, CRP }, /* ) */ - /* 9 */ { CBACK, CBACK, CCTL, CBACK }, /* \ */ - /* 10 */ { CBQUOTE, CBQUOTE, CWORD, CBQUOTE }, /* ` */ - /* 11 */ { CENDVAR, CENDVAR, CWORD, CENDVAR }, /* } */ + /* 0 */ {CSPCL, CIGN, CIGN, CIGN}, + /* PEOA */ + /* 1 */ {CSPCL, CWORD, CWORD, CWORD}, + /* ' ' */ + /* 2 */ {CNL, CNL, CNL, CNL}, + /* \n */ + /* 3 */ {CWORD, CCTL, CCTL, CWORD}, + /* !*-/:=?[]~ */ + /* 4 */ {CDQUOTE, CENDQUOTE, CWORD, CDQUOTE}, + /* '"' */ + /* 5 */ {CVAR, CVAR, CWORD, CVAR}, + /* $ */ + /* 6 */ {CSQUOTE, CWORD, CENDQUOTE, CSQUOTE}, + /* "'" */ + /* 7 */ {CSPCL, CWORD, CWORD, CLP}, + /* ( */ + /* 8 */ {CSPCL, CWORD, CWORD, CRP}, + /* ) */ + /* 9 */ {CBACK, CBACK, CCTL, CBACK}, + /* \ */ + /* 10 */ {CBQUOTE, CBQUOTE, CWORD, CBQUOTE}, + /* ` */ + /* 11 */ {CENDVAR, CENDVAR, CWORD, CENDVAR}, + /* } */ #ifndef USE_SIT_FUNCTION - /* 12 */ { CENDFILE, CENDFILE, CENDFILE, CENDFILE }, /* PEOF */ - /* 13 */ { CWORD, CWORD, CWORD, CWORD }, /* 0-9A-Za-z */ - /* 14 */ { CCTL, CCTL, CCTL, CCTL } /* CTLESC ... */ + /* 12 */ {CENDFILE, CENDFILE, CENDFILE, CENDFILE}, + /* PEOF */ + /* 13 */ {CWORD, CWORD, CWORD, CWORD}, + /* 0-9A-Za-z */ + /* 14 */ {CCTL, CCTL, CCTL, CCTL} + /* CTLESC ... */ #endif }; @@ -687,31 +716,32 @@ static const char S_I_T[][4] = { static int SIT(int c, int syntax) { - static const char spec_symbls[]="\t\n !\"$&'()*-/:;<=>?[\\]`|}~"; - static const char syntax_index_table [] = { - 1, 2, 1, 3, 4, 5, 1, 6, /* "\t\n !\"$&'" */ - 7, 8, 3, 3, 3, 3, 1, 1, /* "()*-/:;<" */ - 3, 1, 3, 3, 9, 3,10, 1, /* "=>?[\\]`|" */ - 11,3 }; /* "}~" */ + static const char spec_symbls[] = "\t\n !\"$&'()*-/:;<=>?[\\]`|}~"; + static const char syntax_index_table[] = { + 1, 2, 1, 3, 4, 5, 1, 6, /* "\t\n !\"$&'" */ + 7, 8, 3, 3, 3, 3, 1, 1, /* "()*-/:;<" */ + 3, 1, 3, 3, 9, 3, 10, 1, /* "=>?[\\]`|" */ + 11, 3 + }; /* "}~" */ const char *s; int indx; - if(c==PEOF) /* 2^8+2 */ + if (c == PEOF) /* 2^8+2 */ return CENDFILE; - if(c==PEOA) /* 2^8+1 */ + if (c == PEOA) /* 2^8+1 */ indx = 0; - else if(U_C(c)>=U_C(CTLESC) && U_C(c)<=U_C(CTLQUOTEMARK)) + else if (U_C(c) >= U_C(CTLESC) && U_C(c) <= U_C(CTLQUOTEMARK)) return CCTL; - else { + else { s = strchr(spec_symbls, c); - if(s==0) + if (s == 0) return CWORD; - indx = syntax_index_table[(s-spec_symbls)]; + indx = syntax_index_table[(s - spec_symbls)]; } return S_I_T[indx][syntax]; } -#else /* USE_SIT_FUNCTION */ +#else /* USE_SIT_FUNCTION */ #define SIT(c, syntax) S_I_T[(int)syntax_index_table[((int)c)+SYNBASE]][syntax] @@ -732,268 +762,270 @@ static int SIT(int c, int syntax) #define CCTL_CCTL_CCTL_CCTL 14 static const char syntax_index_table[258] = { - /* BASESYNTAX_DQSYNTAX_SQSYNTAX_ARISYNTAX */ - /* 0 -130 PEOF */ CENDFILE_CENDFILE_CENDFILE_CENDFILE, - /* 1 -129 PEOA */ CSPCL_CIGN_CIGN_CIGN, - /* 2 -128 0xff */ CWORD_CWORD_CWORD_CWORD, - /* 3 -127 */ CCTL_CCTL_CCTL_CCTL, /* CTLQUOTEMARK */ - /* 4 -126 */ CCTL_CCTL_CCTL_CCTL, - /* 5 -125 */ CCTL_CCTL_CCTL_CCTL, - /* 6 -124 */ CCTL_CCTL_CCTL_CCTL, - /* 7 -123 */ CCTL_CCTL_CCTL_CCTL, - /* 8 -122 */ CCTL_CCTL_CCTL_CCTL, - /* 9 -121 */ CCTL_CCTL_CCTL_CCTL, - /* 10 -120 */ CCTL_CCTL_CCTL_CCTL, /* CTLESC */ - /* 11 -119 */ CWORD_CWORD_CWORD_CWORD, - /* 12 -118 */ CWORD_CWORD_CWORD_CWORD, - /* 13 -117 */ CWORD_CWORD_CWORD_CWORD, - /* 14 -116 */ CWORD_CWORD_CWORD_CWORD, - /* 15 -115 */ CWORD_CWORD_CWORD_CWORD, - /* 16 -114 */ CWORD_CWORD_CWORD_CWORD, - /* 17 -113 */ CWORD_CWORD_CWORD_CWORD, - /* 18 -112 */ CWORD_CWORD_CWORD_CWORD, - /* 19 -111 */ CWORD_CWORD_CWORD_CWORD, - /* 20 -110 */ CWORD_CWORD_CWORD_CWORD, - /* 21 -109 */ CWORD_CWORD_CWORD_CWORD, - /* 22 -108 */ CWORD_CWORD_CWORD_CWORD, - /* 23 -107 */ CWORD_CWORD_CWORD_CWORD, - /* 24 -106 */ CWORD_CWORD_CWORD_CWORD, - /* 25 -105 */ CWORD_CWORD_CWORD_CWORD, - /* 26 -104 */ CWORD_CWORD_CWORD_CWORD, - /* 27 -103 */ CWORD_CWORD_CWORD_CWORD, - /* 28 -102 */ CWORD_CWORD_CWORD_CWORD, - /* 29 -101 */ CWORD_CWORD_CWORD_CWORD, - /* 30 -100 */ CWORD_CWORD_CWORD_CWORD, - /* 31 -99 */ CWORD_CWORD_CWORD_CWORD, - /* 32 -98 */ CWORD_CWORD_CWORD_CWORD, - /* 33 -97 */ CWORD_CWORD_CWORD_CWORD, - /* 34 -96 */ CWORD_CWORD_CWORD_CWORD, - /* 35 -95 */ CWORD_CWORD_CWORD_CWORD, - /* 36 -94 */ CWORD_CWORD_CWORD_CWORD, - /* 37 -93 */ CWORD_CWORD_CWORD_CWORD, - /* 38 -92 */ CWORD_CWORD_CWORD_CWORD, - /* 39 -91 */ CWORD_CWORD_CWORD_CWORD, - /* 40 -90 */ CWORD_CWORD_CWORD_CWORD, - /* 41 -89 */ CWORD_CWORD_CWORD_CWORD, - /* 42 -88 */ CWORD_CWORD_CWORD_CWORD, - /* 43 -87 */ CWORD_CWORD_CWORD_CWORD, - /* 44 -86 */ CWORD_CWORD_CWORD_CWORD, - /* 45 -85 */ CWORD_CWORD_CWORD_CWORD, - /* 46 -84 */ CWORD_CWORD_CWORD_CWORD, - /* 47 -83 */ CWORD_CWORD_CWORD_CWORD, - /* 48 -82 */ CWORD_CWORD_CWORD_CWORD, - /* 49 -81 */ CWORD_CWORD_CWORD_CWORD, - /* 50 -80 */ CWORD_CWORD_CWORD_CWORD, - /* 51 -79 */ CWORD_CWORD_CWORD_CWORD, - /* 52 -78 */ CWORD_CWORD_CWORD_CWORD, - /* 53 -77 */ CWORD_CWORD_CWORD_CWORD, - /* 54 -76 */ CWORD_CWORD_CWORD_CWORD, - /* 55 -75 */ CWORD_CWORD_CWORD_CWORD, - /* 56 -74 */ CWORD_CWORD_CWORD_CWORD, - /* 57 -73 */ CWORD_CWORD_CWORD_CWORD, - /* 58 -72 */ CWORD_CWORD_CWORD_CWORD, - /* 59 -71 */ CWORD_CWORD_CWORD_CWORD, - /* 60 -70 */ CWORD_CWORD_CWORD_CWORD, - /* 61 -69 */ CWORD_CWORD_CWORD_CWORD, - /* 62 -68 */ CWORD_CWORD_CWORD_CWORD, - /* 63 -67 */ CWORD_CWORD_CWORD_CWORD, - /* 64 -66 */ CWORD_CWORD_CWORD_CWORD, - /* 65 -65 */ CWORD_CWORD_CWORD_CWORD, - /* 66 -64 */ CWORD_CWORD_CWORD_CWORD, - /* 67 -63 */ CWORD_CWORD_CWORD_CWORD, - /* 68 -62 */ CWORD_CWORD_CWORD_CWORD, - /* 69 -61 */ CWORD_CWORD_CWORD_CWORD, - /* 70 -60 */ CWORD_CWORD_CWORD_CWORD, - /* 71 -59 */ CWORD_CWORD_CWORD_CWORD, - /* 72 -58 */ CWORD_CWORD_CWORD_CWORD, - /* 73 -57 */ CWORD_CWORD_CWORD_CWORD, - /* 74 -56 */ CWORD_CWORD_CWORD_CWORD, - /* 75 -55 */ CWORD_CWORD_CWORD_CWORD, - /* 76 -54 */ CWORD_CWORD_CWORD_CWORD, - /* 77 -53 */ CWORD_CWORD_CWORD_CWORD, - /* 78 -52 */ CWORD_CWORD_CWORD_CWORD, - /* 79 -51 */ CWORD_CWORD_CWORD_CWORD, - /* 80 -50 */ CWORD_CWORD_CWORD_CWORD, - /* 81 -49 */ CWORD_CWORD_CWORD_CWORD, - /* 82 -48 */ CWORD_CWORD_CWORD_CWORD, - /* 83 -47 */ CWORD_CWORD_CWORD_CWORD, - /* 84 -46 */ CWORD_CWORD_CWORD_CWORD, - /* 85 -45 */ CWORD_CWORD_CWORD_CWORD, - /* 86 -44 */ CWORD_CWORD_CWORD_CWORD, - /* 87 -43 */ CWORD_CWORD_CWORD_CWORD, - /* 88 -42 */ CWORD_CWORD_CWORD_CWORD, - /* 89 -41 */ CWORD_CWORD_CWORD_CWORD, - /* 90 -40 */ CWORD_CWORD_CWORD_CWORD, - /* 91 -39 */ CWORD_CWORD_CWORD_CWORD, - /* 92 -38 */ CWORD_CWORD_CWORD_CWORD, - /* 93 -37 */ CWORD_CWORD_CWORD_CWORD, - /* 94 -36 */ CWORD_CWORD_CWORD_CWORD, - /* 95 -35 */ CWORD_CWORD_CWORD_CWORD, - /* 96 -34 */ CWORD_CWORD_CWORD_CWORD, - /* 97 -33 */ CWORD_CWORD_CWORD_CWORD, - /* 98 -32 */ CWORD_CWORD_CWORD_CWORD, - /* 99 -31 */ CWORD_CWORD_CWORD_CWORD, - /* 100 -30 */ CWORD_CWORD_CWORD_CWORD, - /* 101 -29 */ CWORD_CWORD_CWORD_CWORD, - /* 102 -28 */ CWORD_CWORD_CWORD_CWORD, - /* 103 -27 */ CWORD_CWORD_CWORD_CWORD, - /* 104 -26 */ CWORD_CWORD_CWORD_CWORD, - /* 105 -25 */ CWORD_CWORD_CWORD_CWORD, - /* 106 -24 */ CWORD_CWORD_CWORD_CWORD, - /* 107 -23 */ CWORD_CWORD_CWORD_CWORD, - /* 108 -22 */ CWORD_CWORD_CWORD_CWORD, - /* 109 -21 */ CWORD_CWORD_CWORD_CWORD, - /* 110 -20 */ CWORD_CWORD_CWORD_CWORD, - /* 111 -19 */ CWORD_CWORD_CWORD_CWORD, - /* 112 -18 */ CWORD_CWORD_CWORD_CWORD, - /* 113 -17 */ CWORD_CWORD_CWORD_CWORD, - /* 114 -16 */ CWORD_CWORD_CWORD_CWORD, - /* 115 -15 */ CWORD_CWORD_CWORD_CWORD, - /* 116 -14 */ CWORD_CWORD_CWORD_CWORD, - /* 117 -13 */ CWORD_CWORD_CWORD_CWORD, - /* 118 -12 */ CWORD_CWORD_CWORD_CWORD, - /* 119 -11 */ CWORD_CWORD_CWORD_CWORD, - /* 120 -10 */ CWORD_CWORD_CWORD_CWORD, - /* 121 -9 */ CWORD_CWORD_CWORD_CWORD, - /* 122 -8 */ CWORD_CWORD_CWORD_CWORD, - /* 123 -7 */ CWORD_CWORD_CWORD_CWORD, - /* 124 -6 */ CWORD_CWORD_CWORD_CWORD, - /* 125 -5 */ CWORD_CWORD_CWORD_CWORD, - /* 126 -4 */ CWORD_CWORD_CWORD_CWORD, - /* 127 -3 */ CWORD_CWORD_CWORD_CWORD, - /* 128 -2 */ CWORD_CWORD_CWORD_CWORD, - /* 129 -1 */ CWORD_CWORD_CWORD_CWORD, - /* 130 0 */ CWORD_CWORD_CWORD_CWORD, - /* 131 1 */ CWORD_CWORD_CWORD_CWORD, - /* 132 2 */ CWORD_CWORD_CWORD_CWORD, - /* 133 3 */ CWORD_CWORD_CWORD_CWORD, - /* 134 4 */ CWORD_CWORD_CWORD_CWORD, - /* 135 5 */ CWORD_CWORD_CWORD_CWORD, - /* 136 6 */ CWORD_CWORD_CWORD_CWORD, - /* 137 7 */ CWORD_CWORD_CWORD_CWORD, - /* 138 8 */ CWORD_CWORD_CWORD_CWORD, - /* 139 9 "\t" */ CSPCL_CWORD_CWORD_CWORD, - /* 140 10 "\n" */ CNL_CNL_CNL_CNL, - /* 141 11 */ CWORD_CWORD_CWORD_CWORD, - /* 142 12 */ CWORD_CWORD_CWORD_CWORD, - /* 143 13 */ CWORD_CWORD_CWORD_CWORD, - /* 144 14 */ CWORD_CWORD_CWORD_CWORD, - /* 145 15 */ CWORD_CWORD_CWORD_CWORD, - /* 146 16 */ CWORD_CWORD_CWORD_CWORD, - /* 147 17 */ CWORD_CWORD_CWORD_CWORD, - /* 148 18 */ CWORD_CWORD_CWORD_CWORD, - /* 149 19 */ CWORD_CWORD_CWORD_CWORD, - /* 150 20 */ CWORD_CWORD_CWORD_CWORD, - /* 151 21 */ CWORD_CWORD_CWORD_CWORD, - /* 152 22 */ CWORD_CWORD_CWORD_CWORD, - /* 153 23 */ CWORD_CWORD_CWORD_CWORD, - /* 154 24 */ CWORD_CWORD_CWORD_CWORD, - /* 155 25 */ CWORD_CWORD_CWORD_CWORD, - /* 156 26 */ CWORD_CWORD_CWORD_CWORD, - /* 157 27 */ CWORD_CWORD_CWORD_CWORD, - /* 158 28 */ CWORD_CWORD_CWORD_CWORD, - /* 159 29 */ CWORD_CWORD_CWORD_CWORD, - /* 160 30 */ CWORD_CWORD_CWORD_CWORD, - /* 161 31 */ CWORD_CWORD_CWORD_CWORD, - /* 162 32 " " */ CSPCL_CWORD_CWORD_CWORD, - /* 163 33 "!" */ CWORD_CCTL_CCTL_CWORD, - /* 164 34 """ */ CDQUOTE_CENDQUOTE_CWORD_CDQUOTE, - /* 165 35 "#" */ CWORD_CWORD_CWORD_CWORD, - /* 166 36 "$" */ CVAR_CVAR_CWORD_CVAR, - /* 167 37 "%" */ CWORD_CWORD_CWORD_CWORD, - /* 168 38 "&" */ CSPCL_CWORD_CWORD_CWORD, - /* 169 39 "'" */ CSQUOTE_CWORD_CENDQUOTE_CSQUOTE, - /* 170 40 "(" */ CSPCL_CWORD_CWORD_CLP, - /* 171 41 ")" */ CSPCL_CWORD_CWORD_CRP, - /* 172 42 "*" */ CWORD_CCTL_CCTL_CWORD, - /* 173 43 "+" */ CWORD_CWORD_CWORD_CWORD, - /* 174 44 "," */ CWORD_CWORD_CWORD_CWORD, - /* 175 45 "-" */ CWORD_CCTL_CCTL_CWORD, - /* 176 46 "." */ CWORD_CWORD_CWORD_CWORD, - /* 177 47 "/" */ CWORD_CCTL_CCTL_CWORD, - /* 178 48 "0" */ CWORD_CWORD_CWORD_CWORD, - /* 179 49 "1" */ CWORD_CWORD_CWORD_CWORD, - /* 180 50 "2" */ CWORD_CWORD_CWORD_CWORD, - /* 181 51 "3" */ CWORD_CWORD_CWORD_CWORD, - /* 182 52 "4" */ CWORD_CWORD_CWORD_CWORD, - /* 183 53 "5" */ CWORD_CWORD_CWORD_CWORD, - /* 184 54 "6" */ CWORD_CWORD_CWORD_CWORD, - /* 185 55 "7" */ CWORD_CWORD_CWORD_CWORD, - /* 186 56 "8" */ CWORD_CWORD_CWORD_CWORD, - /* 187 57 "9" */ CWORD_CWORD_CWORD_CWORD, - /* 188 58 ":" */ CWORD_CCTL_CCTL_CWORD, - /* 189 59 ";" */ CSPCL_CWORD_CWORD_CWORD, - /* 190 60 "<" */ CSPCL_CWORD_CWORD_CWORD, - /* 191 61 "=" */ CWORD_CCTL_CCTL_CWORD, - /* 192 62 ">" */ CSPCL_CWORD_CWORD_CWORD, - /* 193 63 "?" */ CWORD_CCTL_CCTL_CWORD, - /* 194 64 "@" */ CWORD_CWORD_CWORD_CWORD, - /* 195 65 "A" */ CWORD_CWORD_CWORD_CWORD, - /* 196 66 "B" */ CWORD_CWORD_CWORD_CWORD, - /* 197 67 "C" */ CWORD_CWORD_CWORD_CWORD, - /* 198 68 "D" */ CWORD_CWORD_CWORD_CWORD, - /* 199 69 "E" */ CWORD_CWORD_CWORD_CWORD, - /* 200 70 "F" */ CWORD_CWORD_CWORD_CWORD, - /* 201 71 "G" */ CWORD_CWORD_CWORD_CWORD, - /* 202 72 "H" */ CWORD_CWORD_CWORD_CWORD, - /* 203 73 "I" */ CWORD_CWORD_CWORD_CWORD, - /* 204 74 "J" */ CWORD_CWORD_CWORD_CWORD, - /* 205 75 "K" */ CWORD_CWORD_CWORD_CWORD, - /* 206 76 "L" */ CWORD_CWORD_CWORD_CWORD, - /* 207 77 "M" */ CWORD_CWORD_CWORD_CWORD, - /* 208 78 "N" */ CWORD_CWORD_CWORD_CWORD, - /* 209 79 "O" */ CWORD_CWORD_CWORD_CWORD, - /* 210 80 "P" */ CWORD_CWORD_CWORD_CWORD, - /* 211 81 "Q" */ CWORD_CWORD_CWORD_CWORD, - /* 212 82 "R" */ CWORD_CWORD_CWORD_CWORD, - /* 213 83 "S" */ CWORD_CWORD_CWORD_CWORD, - /* 214 84 "T" */ CWORD_CWORD_CWORD_CWORD, - /* 215 85 "U" */ CWORD_CWORD_CWORD_CWORD, - /* 216 86 "V" */ CWORD_CWORD_CWORD_CWORD, - /* 217 87 "W" */ CWORD_CWORD_CWORD_CWORD, - /* 218 88 "X" */ CWORD_CWORD_CWORD_CWORD, - /* 219 89 "Y" */ CWORD_CWORD_CWORD_CWORD, - /* 220 90 "Z" */ CWORD_CWORD_CWORD_CWORD, - /* 221 91 "[" */ CWORD_CCTL_CCTL_CWORD, - /* 222 92 "\" */ CBACK_CBACK_CCTL_CBACK, - /* 223 93 "]" */ CWORD_CCTL_CCTL_CWORD, - /* 224 94 "^" */ CWORD_CWORD_CWORD_CWORD, - /* 225 95 "_" */ CWORD_CWORD_CWORD_CWORD, - /* 226 96 "`" */ CBQUOTE_CBQUOTE_CWORD_CBQUOTE, - /* 227 97 "a" */ CWORD_CWORD_CWORD_CWORD, - /* 228 98 "b" */ CWORD_CWORD_CWORD_CWORD, - /* 229 99 "c" */ CWORD_CWORD_CWORD_CWORD, - /* 230 100 "d" */ CWORD_CWORD_CWORD_CWORD, - /* 231 101 "e" */ CWORD_CWORD_CWORD_CWORD, - /* 232 102 "f" */ CWORD_CWORD_CWORD_CWORD, - /* 233 103 "g" */ CWORD_CWORD_CWORD_CWORD, - /* 234 104 "h" */ CWORD_CWORD_CWORD_CWORD, - /* 235 105 "i" */ CWORD_CWORD_CWORD_CWORD, - /* 236 106 "j" */ CWORD_CWORD_CWORD_CWORD, - /* 237 107 "k" */ CWORD_CWORD_CWORD_CWORD, - /* 238 108 "l" */ CWORD_CWORD_CWORD_CWORD, - /* 239 109 "m" */ CWORD_CWORD_CWORD_CWORD, - /* 240 110 "n" */ CWORD_CWORD_CWORD_CWORD, - /* 241 111 "o" */ CWORD_CWORD_CWORD_CWORD, - /* 242 112 "p" */ CWORD_CWORD_CWORD_CWORD, - /* 243 113 "q" */ CWORD_CWORD_CWORD_CWORD, - /* 244 114 "r" */ CWORD_CWORD_CWORD_CWORD, - /* 245 115 "s" */ CWORD_CWORD_CWORD_CWORD, - /* 246 116 "t" */ CWORD_CWORD_CWORD_CWORD, - /* 247 117 "u" */ CWORD_CWORD_CWORD_CWORD, - /* 248 118 "v" */ CWORD_CWORD_CWORD_CWORD, - /* 249 119 "w" */ CWORD_CWORD_CWORD_CWORD, - /* 250 120 "x" */ CWORD_CWORD_CWORD_CWORD, - /* 251 121 "y" */ CWORD_CWORD_CWORD_CWORD, - /* 252 122 "z" */ CWORD_CWORD_CWORD_CWORD, - /* 253 123 "{" */ CWORD_CWORD_CWORD_CWORD, - /* 254 124 "|" */ CSPCL_CWORD_CWORD_CWORD, - /* 255 125 "}" */ CENDVAR_CENDVAR_CWORD_CENDVAR, - /* 256 126 "~" */ CWORD_CCTL_CCTL_CWORD, - /* 257 127 */ CWORD_CWORD_CWORD_CWORD, + /* BASESYNTAX_DQSYNTAX_SQSYNTAX_ARISYNTAX */ + /* 0 -130 PEOF */ CENDFILE_CENDFILE_CENDFILE_CENDFILE, + /* 1 -129 PEOA */ CSPCL_CIGN_CIGN_CIGN, + /* 2 -128 0xff */ CWORD_CWORD_CWORD_CWORD, + /* 3 -127 */ CCTL_CCTL_CCTL_CCTL, + /* CTLQUOTEMARK */ + /* 4 -126 */ CCTL_CCTL_CCTL_CCTL, + /* 5 -125 */ CCTL_CCTL_CCTL_CCTL, + /* 6 -124 */ CCTL_CCTL_CCTL_CCTL, + /* 7 -123 */ CCTL_CCTL_CCTL_CCTL, + /* 8 -122 */ CCTL_CCTL_CCTL_CCTL, + /* 9 -121 */ CCTL_CCTL_CCTL_CCTL, + /* 10 -120 */ CCTL_CCTL_CCTL_CCTL, + /* CTLESC */ + /* 11 -119 */ CWORD_CWORD_CWORD_CWORD, + /* 12 -118 */ CWORD_CWORD_CWORD_CWORD, + /* 13 -117 */ CWORD_CWORD_CWORD_CWORD, + /* 14 -116 */ CWORD_CWORD_CWORD_CWORD, + /* 15 -115 */ CWORD_CWORD_CWORD_CWORD, + /* 16 -114 */ CWORD_CWORD_CWORD_CWORD, + /* 17 -113 */ CWORD_CWORD_CWORD_CWORD, + /* 18 -112 */ CWORD_CWORD_CWORD_CWORD, + /* 19 -111 */ CWORD_CWORD_CWORD_CWORD, + /* 20 -110 */ CWORD_CWORD_CWORD_CWORD, + /* 21 -109 */ CWORD_CWORD_CWORD_CWORD, + /* 22 -108 */ CWORD_CWORD_CWORD_CWORD, + /* 23 -107 */ CWORD_CWORD_CWORD_CWORD, + /* 24 -106 */ CWORD_CWORD_CWORD_CWORD, + /* 25 -105 */ CWORD_CWORD_CWORD_CWORD, + /* 26 -104 */ CWORD_CWORD_CWORD_CWORD, + /* 27 -103 */ CWORD_CWORD_CWORD_CWORD, + /* 28 -102 */ CWORD_CWORD_CWORD_CWORD, + /* 29 -101 */ CWORD_CWORD_CWORD_CWORD, + /* 30 -100 */ CWORD_CWORD_CWORD_CWORD, + /* 31 -99 */ CWORD_CWORD_CWORD_CWORD, + /* 32 -98 */ CWORD_CWORD_CWORD_CWORD, + /* 33 -97 */ CWORD_CWORD_CWORD_CWORD, + /* 34 -96 */ CWORD_CWORD_CWORD_CWORD, + /* 35 -95 */ CWORD_CWORD_CWORD_CWORD, + /* 36 -94 */ CWORD_CWORD_CWORD_CWORD, + /* 37 -93 */ CWORD_CWORD_CWORD_CWORD, + /* 38 -92 */ CWORD_CWORD_CWORD_CWORD, + /* 39 -91 */ CWORD_CWORD_CWORD_CWORD, + /* 40 -90 */ CWORD_CWORD_CWORD_CWORD, + /* 41 -89 */ CWORD_CWORD_CWORD_CWORD, + /* 42 -88 */ CWORD_CWORD_CWORD_CWORD, + /* 43 -87 */ CWORD_CWORD_CWORD_CWORD, + /* 44 -86 */ CWORD_CWORD_CWORD_CWORD, + /* 45 -85 */ CWORD_CWORD_CWORD_CWORD, + /* 46 -84 */ CWORD_CWORD_CWORD_CWORD, + /* 47 -83 */ CWORD_CWORD_CWORD_CWORD, + /* 48 -82 */ CWORD_CWORD_CWORD_CWORD, + /* 49 -81 */ CWORD_CWORD_CWORD_CWORD, + /* 50 -80 */ CWORD_CWORD_CWORD_CWORD, + /* 51 -79 */ CWORD_CWORD_CWORD_CWORD, + /* 52 -78 */ CWORD_CWORD_CWORD_CWORD, + /* 53 -77 */ CWORD_CWORD_CWORD_CWORD, + /* 54 -76 */ CWORD_CWORD_CWORD_CWORD, + /* 55 -75 */ CWORD_CWORD_CWORD_CWORD, + /* 56 -74 */ CWORD_CWORD_CWORD_CWORD, + /* 57 -73 */ CWORD_CWORD_CWORD_CWORD, + /* 58 -72 */ CWORD_CWORD_CWORD_CWORD, + /* 59 -71 */ CWORD_CWORD_CWORD_CWORD, + /* 60 -70 */ CWORD_CWORD_CWORD_CWORD, + /* 61 -69 */ CWORD_CWORD_CWORD_CWORD, + /* 62 -68 */ CWORD_CWORD_CWORD_CWORD, + /* 63 -67 */ CWORD_CWORD_CWORD_CWORD, + /* 64 -66 */ CWORD_CWORD_CWORD_CWORD, + /* 65 -65 */ CWORD_CWORD_CWORD_CWORD, + /* 66 -64 */ CWORD_CWORD_CWORD_CWORD, + /* 67 -63 */ CWORD_CWORD_CWORD_CWORD, + /* 68 -62 */ CWORD_CWORD_CWORD_CWORD, + /* 69 -61 */ CWORD_CWORD_CWORD_CWORD, + /* 70 -60 */ CWORD_CWORD_CWORD_CWORD, + /* 71 -59 */ CWORD_CWORD_CWORD_CWORD, + /* 72 -58 */ CWORD_CWORD_CWORD_CWORD, + /* 73 -57 */ CWORD_CWORD_CWORD_CWORD, + /* 74 -56 */ CWORD_CWORD_CWORD_CWORD, + /* 75 -55 */ CWORD_CWORD_CWORD_CWORD, + /* 76 -54 */ CWORD_CWORD_CWORD_CWORD, + /* 77 -53 */ CWORD_CWORD_CWORD_CWORD, + /* 78 -52 */ CWORD_CWORD_CWORD_CWORD, + /* 79 -51 */ CWORD_CWORD_CWORD_CWORD, + /* 80 -50 */ CWORD_CWORD_CWORD_CWORD, + /* 81 -49 */ CWORD_CWORD_CWORD_CWORD, + /* 82 -48 */ CWORD_CWORD_CWORD_CWORD, + /* 83 -47 */ CWORD_CWORD_CWORD_CWORD, + /* 84 -46 */ CWORD_CWORD_CWORD_CWORD, + /* 85 -45 */ CWORD_CWORD_CWORD_CWORD, + /* 86 -44 */ CWORD_CWORD_CWORD_CWORD, + /* 87 -43 */ CWORD_CWORD_CWORD_CWORD, + /* 88 -42 */ CWORD_CWORD_CWORD_CWORD, + /* 89 -41 */ CWORD_CWORD_CWORD_CWORD, + /* 90 -40 */ CWORD_CWORD_CWORD_CWORD, + /* 91 -39 */ CWORD_CWORD_CWORD_CWORD, + /* 92 -38 */ CWORD_CWORD_CWORD_CWORD, + /* 93 -37 */ CWORD_CWORD_CWORD_CWORD, + /* 94 -36 */ CWORD_CWORD_CWORD_CWORD, + /* 95 -35 */ CWORD_CWORD_CWORD_CWORD, + /* 96 -34 */ CWORD_CWORD_CWORD_CWORD, + /* 97 -33 */ CWORD_CWORD_CWORD_CWORD, + /* 98 -32 */ CWORD_CWORD_CWORD_CWORD, + /* 99 -31 */ CWORD_CWORD_CWORD_CWORD, + /* 100 -30 */ CWORD_CWORD_CWORD_CWORD, + /* 101 -29 */ CWORD_CWORD_CWORD_CWORD, + /* 102 -28 */ CWORD_CWORD_CWORD_CWORD, + /* 103 -27 */ CWORD_CWORD_CWORD_CWORD, + /* 104 -26 */ CWORD_CWORD_CWORD_CWORD, + /* 105 -25 */ CWORD_CWORD_CWORD_CWORD, + /* 106 -24 */ CWORD_CWORD_CWORD_CWORD, + /* 107 -23 */ CWORD_CWORD_CWORD_CWORD, + /* 108 -22 */ CWORD_CWORD_CWORD_CWORD, + /* 109 -21 */ CWORD_CWORD_CWORD_CWORD, + /* 110 -20 */ CWORD_CWORD_CWORD_CWORD, + /* 111 -19 */ CWORD_CWORD_CWORD_CWORD, + /* 112 -18 */ CWORD_CWORD_CWORD_CWORD, + /* 113 -17 */ CWORD_CWORD_CWORD_CWORD, + /* 114 -16 */ CWORD_CWORD_CWORD_CWORD, + /* 115 -15 */ CWORD_CWORD_CWORD_CWORD, + /* 116 -14 */ CWORD_CWORD_CWORD_CWORD, + /* 117 -13 */ CWORD_CWORD_CWORD_CWORD, + /* 118 -12 */ CWORD_CWORD_CWORD_CWORD, + /* 119 -11 */ CWORD_CWORD_CWORD_CWORD, + /* 120 -10 */ CWORD_CWORD_CWORD_CWORD, + /* 121 -9 */ CWORD_CWORD_CWORD_CWORD, + /* 122 -8 */ CWORD_CWORD_CWORD_CWORD, + /* 123 -7 */ CWORD_CWORD_CWORD_CWORD, + /* 124 -6 */ CWORD_CWORD_CWORD_CWORD, + /* 125 -5 */ CWORD_CWORD_CWORD_CWORD, + /* 126 -4 */ CWORD_CWORD_CWORD_CWORD, + /* 127 -3 */ CWORD_CWORD_CWORD_CWORD, + /* 128 -2 */ CWORD_CWORD_CWORD_CWORD, + /* 129 -1 */ CWORD_CWORD_CWORD_CWORD, + /* 130 0 */ CWORD_CWORD_CWORD_CWORD, + /* 131 1 */ CWORD_CWORD_CWORD_CWORD, + /* 132 2 */ CWORD_CWORD_CWORD_CWORD, + /* 133 3 */ CWORD_CWORD_CWORD_CWORD, + /* 134 4 */ CWORD_CWORD_CWORD_CWORD, + /* 135 5 */ CWORD_CWORD_CWORD_CWORD, + /* 136 6 */ CWORD_CWORD_CWORD_CWORD, + /* 137 7 */ CWORD_CWORD_CWORD_CWORD, + /* 138 8 */ CWORD_CWORD_CWORD_CWORD, + /* 139 9 "\t" */ CSPCL_CWORD_CWORD_CWORD, + /* 140 10 "\n" */ CNL_CNL_CNL_CNL, + /* 141 11 */ CWORD_CWORD_CWORD_CWORD, + /* 142 12 */ CWORD_CWORD_CWORD_CWORD, + /* 143 13 */ CWORD_CWORD_CWORD_CWORD, + /* 144 14 */ CWORD_CWORD_CWORD_CWORD, + /* 145 15 */ CWORD_CWORD_CWORD_CWORD, + /* 146 16 */ CWORD_CWORD_CWORD_CWORD, + /* 147 17 */ CWORD_CWORD_CWORD_CWORD, + /* 148 18 */ CWORD_CWORD_CWORD_CWORD, + /* 149 19 */ CWORD_CWORD_CWORD_CWORD, + /* 150 20 */ CWORD_CWORD_CWORD_CWORD, + /* 151 21 */ CWORD_CWORD_CWORD_CWORD, + /* 152 22 */ CWORD_CWORD_CWORD_CWORD, + /* 153 23 */ CWORD_CWORD_CWORD_CWORD, + /* 154 24 */ CWORD_CWORD_CWORD_CWORD, + /* 155 25 */ CWORD_CWORD_CWORD_CWORD, + /* 156 26 */ CWORD_CWORD_CWORD_CWORD, + /* 157 27 */ CWORD_CWORD_CWORD_CWORD, + /* 158 28 */ CWORD_CWORD_CWORD_CWORD, + /* 159 29 */ CWORD_CWORD_CWORD_CWORD, + /* 160 30 */ CWORD_CWORD_CWORD_CWORD, + /* 161 31 */ CWORD_CWORD_CWORD_CWORD, + /* 162 32 " " */ CSPCL_CWORD_CWORD_CWORD, + /* 163 33 "!" */ CWORD_CCTL_CCTL_CWORD, + /* 164 34 """ */ CDQUOTE_CENDQUOTE_CWORD_CDQUOTE, + /* 165 35 "#" */ CWORD_CWORD_CWORD_CWORD, + /* 166 36 "$" */ CVAR_CVAR_CWORD_CVAR, + /* 167 37 "%" */ CWORD_CWORD_CWORD_CWORD, + /* 168 38 "&" */ CSPCL_CWORD_CWORD_CWORD, + /* 169 39 "'" */ CSQUOTE_CWORD_CENDQUOTE_CSQUOTE, + /* 170 40 "(" */ CSPCL_CWORD_CWORD_CLP, + /* 171 41 ")" */ CSPCL_CWORD_CWORD_CRP, + /* 172 42 "*" */ CWORD_CCTL_CCTL_CWORD, + /* 173 43 "+" */ CWORD_CWORD_CWORD_CWORD, + /* 174 44 "," */ CWORD_CWORD_CWORD_CWORD, + /* 175 45 "-" */ CWORD_CCTL_CCTL_CWORD, + /* 176 46 "." */ CWORD_CWORD_CWORD_CWORD, + /* 177 47 "/" */ CWORD_CCTL_CCTL_CWORD, + /* 178 48 "0" */ CWORD_CWORD_CWORD_CWORD, + /* 179 49 "1" */ CWORD_CWORD_CWORD_CWORD, + /* 180 50 "2" */ CWORD_CWORD_CWORD_CWORD, + /* 181 51 "3" */ CWORD_CWORD_CWORD_CWORD, + /* 182 52 "4" */ CWORD_CWORD_CWORD_CWORD, + /* 183 53 "5" */ CWORD_CWORD_CWORD_CWORD, + /* 184 54 "6" */ CWORD_CWORD_CWORD_CWORD, + /* 185 55 "7" */ CWORD_CWORD_CWORD_CWORD, + /* 186 56 "8" */ CWORD_CWORD_CWORD_CWORD, + /* 187 57 "9" */ CWORD_CWORD_CWORD_CWORD, + /* 188 58 ":" */ CWORD_CCTL_CCTL_CWORD, + /* 189 59 ";" */ CSPCL_CWORD_CWORD_CWORD, + /* 190 60 "<" */ CSPCL_CWORD_CWORD_CWORD, + /* 191 61 "=" */ CWORD_CCTL_CCTL_CWORD, + /* 192 62 ">" */ CSPCL_CWORD_CWORD_CWORD, + /* 193 63 "?" */ CWORD_CCTL_CCTL_CWORD, + /* 194 64 "@" */ CWORD_CWORD_CWORD_CWORD, + /* 195 65 "A" */ CWORD_CWORD_CWORD_CWORD, + /* 196 66 "B" */ CWORD_CWORD_CWORD_CWORD, + /* 197 67 "C" */ CWORD_CWORD_CWORD_CWORD, + /* 198 68 "D" */ CWORD_CWORD_CWORD_CWORD, + /* 199 69 "E" */ CWORD_CWORD_CWORD_CWORD, + /* 200 70 "F" */ CWORD_CWORD_CWORD_CWORD, + /* 201 71 "G" */ CWORD_CWORD_CWORD_CWORD, + /* 202 72 "H" */ CWORD_CWORD_CWORD_CWORD, + /* 203 73 "I" */ CWORD_CWORD_CWORD_CWORD, + /* 204 74 "J" */ CWORD_CWORD_CWORD_CWORD, + /* 205 75 "K" */ CWORD_CWORD_CWORD_CWORD, + /* 206 76 "L" */ CWORD_CWORD_CWORD_CWORD, + /* 207 77 "M" */ CWORD_CWORD_CWORD_CWORD, + /* 208 78 "N" */ CWORD_CWORD_CWORD_CWORD, + /* 209 79 "O" */ CWORD_CWORD_CWORD_CWORD, + /* 210 80 "P" */ CWORD_CWORD_CWORD_CWORD, + /* 211 81 "Q" */ CWORD_CWORD_CWORD_CWORD, + /* 212 82 "R" */ CWORD_CWORD_CWORD_CWORD, + /* 213 83 "S" */ CWORD_CWORD_CWORD_CWORD, + /* 214 84 "T" */ CWORD_CWORD_CWORD_CWORD, + /* 215 85 "U" */ CWORD_CWORD_CWORD_CWORD, + /* 216 86 "V" */ CWORD_CWORD_CWORD_CWORD, + /* 217 87 "W" */ CWORD_CWORD_CWORD_CWORD, + /* 218 88 "X" */ CWORD_CWORD_CWORD_CWORD, + /* 219 89 "Y" */ CWORD_CWORD_CWORD_CWORD, + /* 220 90 "Z" */ CWORD_CWORD_CWORD_CWORD, + /* 221 91 "[" */ CWORD_CCTL_CCTL_CWORD, + /* 222 92 "\" */ CBACK_CBACK_CCTL_CBACK, + /* 223 93 "]" */ CWORD_CCTL_CCTL_CWORD, + /* 224 94 "^" */ CWORD_CWORD_CWORD_CWORD, + /* 225 95 "_" */ CWORD_CWORD_CWORD_CWORD, + /* 226 96 "`" */ CBQUOTE_CBQUOTE_CWORD_CBQUOTE, + /* 227 97 "a" */ CWORD_CWORD_CWORD_CWORD, + /* 228 98 "b" */ CWORD_CWORD_CWORD_CWORD, + /* 229 99 "c" */ CWORD_CWORD_CWORD_CWORD, + /* 230 100 "d" */ CWORD_CWORD_CWORD_CWORD, + /* 231 101 "e" */ CWORD_CWORD_CWORD_CWORD, + /* 232 102 "f" */ CWORD_CWORD_CWORD_CWORD, + /* 233 103 "g" */ CWORD_CWORD_CWORD_CWORD, + /* 234 104 "h" */ CWORD_CWORD_CWORD_CWORD, + /* 235 105 "i" */ CWORD_CWORD_CWORD_CWORD, + /* 236 106 "j" */ CWORD_CWORD_CWORD_CWORD, + /* 237 107 "k" */ CWORD_CWORD_CWORD_CWORD, + /* 238 108 "l" */ CWORD_CWORD_CWORD_CWORD, + /* 239 109 "m" */ CWORD_CWORD_CWORD_CWORD, + /* 240 110 "n" */ CWORD_CWORD_CWORD_CWORD, + /* 241 111 "o" */ CWORD_CWORD_CWORD_CWORD, + /* 242 112 "p" */ CWORD_CWORD_CWORD_CWORD, + /* 243 113 "q" */ CWORD_CWORD_CWORD_CWORD, + /* 244 114 "r" */ CWORD_CWORD_CWORD_CWORD, + /* 245 115 "s" */ CWORD_CWORD_CWORD_CWORD, + /* 246 116 "t" */ CWORD_CWORD_CWORD_CWORD, + /* 247 117 "u" */ CWORD_CWORD_CWORD_CWORD, + /* 248 118 "v" */ CWORD_CWORD_CWORD_CWORD, + /* 249 119 "w" */ CWORD_CWORD_CWORD_CWORD, + /* 250 120 "x" */ CWORD_CWORD_CWORD_CWORD, + /* 251 121 "y" */ CWORD_CWORD_CWORD_CWORD, + /* 252 122 "z" */ CWORD_CWORD_CWORD_CWORD, + /* 253 123 "{" */ CWORD_CWORD_CWORD_CWORD, + /* 254 124 "|" */ CSPCL_CWORD_CWORD_CWORD, + /* 255 125 "}" */ CENDVAR_CENDVAR_CWORD_CENDVAR, + /* 256 126 "~" */ CWORD_CCTL_CCTL_CWORD, + /* 257 127 */ CWORD_CWORD_CWORD_CWORD, }; -#endif /* USE_SIT_FUNCTION */ +#endif /* USE_SIT_FUNCTION */ /* first char is indicating which tokens mark the end of a list */ @@ -1036,20 +1068,20 @@ static const char *tokname(int tok) { static char buf[16]; - if(tok>=TSEMI) + if (tok >= TSEMI) buf[0] = '"'; - sprintf(buf+(tok>=TSEMI), "%s%c", - tokname_array[tok]+1, (tok>=TSEMI ? '"' : 0)); + sprintf(buf + (tok >= TSEMI), "%s%c", + tokname_array[tok] + 1, (tok >= TSEMI ? '"' : 0)); return buf; } -static int plinno = 1; /* input line number */ +static int plinno = 1; /* input line number */ -static int parselleft; /* copy of parsefile->lleft */ +static int parselleft; /* copy of parsefile->lleft */ -static struct parsefile basepf; /* top level input file */ -static char basebuf[BUFSIZ]; /* buffer for top level input file */ -static struct parsefile *parsefile = &basepf; /* current input file */ +static struct parsefile basepf; /* top level input file */ +static char basebuf[BUFSIZ]; /* buffer for top level input file */ +static struct parsefile *parsefile = &basepf; /* current input file */ /* * NEOF is returned by parsecmd when it encounters an end of file. It @@ -1057,31 +1089,32 @@ static struct parsefile *parsefile = &basepf; /* current input file */ * happens to be handy. */ -static int tokpushback; /* last token pushed back */ +static int tokpushback; /* last token pushed back */ + #define NEOF ((union node *)&tokpushback) -static int checkkwd; /* 1 == check for kwds, 2 == also eat newlines */ +static int checkkwd; /* 1 == check for kwds, 2 == also eat newlines */ -static void error (const char *, ...) __attribute__((__noreturn__)); -static void exerror (int, const char *, ...) __attribute__((__noreturn__)); -static void shellexec (char **, char **, const char *, int) - __attribute__((noreturn)); -static void exitshell (int) __attribute__((noreturn)); +static void error(const char *, ...) __attribute__ ((__noreturn__)); +static void exerror(int, const char *, ...) __attribute__ ((__noreturn__)); +static void shellexec(char **, char **, const char *, int) + __attribute__ ((noreturn)); +static void exitshell(int) __attribute__ ((noreturn)); -static int goodname(const char *); -static void ignoresig (int); -static void onsig (int); -static void dotrap (void); -static int decode_signal (const char *, int); +static int goodname(const char *); +static void ignoresig(int); +static void onsig(int); +static void dotrap(void); +static int decode_signal(const char *, int); static void shprocvar(void); static void deletefuncs(void); -static void setparam (char **); -static void freeparam (volatile struct shparam *); +static void setparam(char **); +static void freeparam(volatile struct shparam *); -static void find_command (const char *, struct cmdentry *, int, const char *); +static void find_command(const char *, struct cmdentry *, int, const char *); -static inline void hashcd (void); +static inline void hashcd(void); /* reasons for skipping commands (see comment on breakcmd routine) */ #define SKIPBREAK 1 @@ -1090,76 +1123,76 @@ static inline void hashcd (void); #define SKIPFILE 4 /* values of cmdtype */ -#define CMDUNKNOWN -1 /* no entry in table for command */ -#define CMDNORMAL 0 /* command is an executable program */ -#define CMDBUILTIN 1 /* command is a shell builtin */ -#define CMDFUNCTION 2 /* command is a shell function */ +#define CMDUNKNOWN -1 /* no entry in table for command */ +#define CMDNORMAL 0 /* command is an executable program */ +#define CMDBUILTIN 1 /* command is a shell builtin */ +#define CMDFUNCTION 2 /* command is a shell function */ -#define DO_ERR 1 /* find_command prints errors */ -#define DO_ABS 2 /* find_command checks absolute paths */ -#define DO_NOFUN 4 /* find_command ignores functions */ -#define DO_BRUTE 8 /* find_command ignores hash table */ +#define DO_ERR 1 /* find_command prints errors */ +#define DO_ABS 2 /* find_command checks absolute paths */ +#define DO_NOFUN 4 /* find_command ignores functions */ +#define DO_BRUTE 8 /* find_command ignores hash table */ /* * Shell variables. */ /* flags */ -#define VEXPORT 0x01 /* variable is exported */ -#define VREADONLY 0x02 /* variable cannot be modified */ -#define VSTRFIXED 0x04 /* variable struct is staticly allocated */ -#define VTEXTFIXED 0x08 /* text is staticly allocated */ -#define VSTACK 0x10 /* text is allocated on the stack */ -#define VUNSET 0x20 /* the variable is not set */ -#define VNOFUNC 0x40 /* don't call the callback function */ +#define VEXPORT 0x01 /* variable is exported */ +#define VREADONLY 0x02 /* variable cannot be modified */ +#define VSTRFIXED 0x04 /* variable struct is staticly allocated */ +#define VTEXTFIXED 0x08 /* text is staticly allocated */ +#define VSTACK 0x10 /* text is allocated on the stack */ +#define VUNSET 0x20 /* the variable is not set */ +#define VNOFUNC 0x40 /* don't call the callback function */ struct var { - struct var *next; /* next entry in hash list */ - int flags; /* flags are defined above */ - char *text; /* name=value */ + struct var *next; /* next entry in hash list */ + int flags; /* flags are defined above */ + char *text; /* name=value */ void (*func) (const char *); - /* function to be called when */ - /* the variable gets set/unset */ + /* function to be called when */ + /* the variable gets set/unset */ }; struct localvar { - struct localvar *next; /* next local variable in list */ - struct var *vp; /* the variable that was made local */ - int flags; /* saved flags */ - char *text; /* saved text */ + struct localvar *next; /* next local variable in list */ + struct var *vp; /* the variable that was made local */ + int flags; /* saved flags */ + char *text; /* saved text */ }; #if defined(__GLIBC__) && __GLIBC__ >= 2 && !defined(FNMATCH_BROKEN) #define rmescapes(p) _rmescapes((p), 0) -static char *_rmescapes (char *, int); +static char *_rmescapes(char *, int); #else -static void rmescapes (char *); +static void rmescapes(char *); #endif -static int casematch (union node *, const char *); +static int casematch(union node *, const char *); static void clearredir(void); static void popstring(void); -static void readcmdfile (const char *); +static void readcmdfile(const char *); -static int number (const char *); -static int is_number (const char *, int *num); -static char *single_quote (const char *); -static int nextopt (const char *); +static int number(const char *); +static int is_number(const char *, int *num); +static char *single_quote(const char *); +static int nextopt(const char *); -static void redirect (union node *, int); -static void popredir (void); -static int dup_as_newfd (int, int); +static void redirect(union node *, int); +static void popredir(void); +static int dup_as_newfd(int, int); static void changepath(const char *newval); static void getoptsreset(const char *value); -static int parsenleft; /* copy of parsefile->nleft */ -static char *parsenextc; /* copy of parsefile->nextc */ -static int rootpid; /* pid of main shell */ -static int rootshell; /* true if we aren't a child of the main shell */ +static int parsenleft; /* copy of parsefile->nleft */ +static char *parsenextc; /* copy of parsefile->nextc */ +static int rootpid; /* pid of main shell */ +static int rootshell; /* true if we aren't a child of the main shell */ static const char spcstr[] = " "; static const char snlfmt[] = "%s\n"; @@ -1176,6 +1209,7 @@ static struct var vpath; static struct var vps1; static struct var vps2; static struct var voptind; + #ifdef CONFIG_LOCALE_SUPPORT static struct var vlc_all; static struct var vlc_ctype; @@ -1194,6 +1228,7 @@ static const char defpathvar[] = #ifdef IFS_BROKEN static const char defifsvar[] = "IFS= \t\n"; + #define defifs (defifsvar + 4) #else static const char defifs[] = " \t\n"; @@ -1201,33 +1236,33 @@ static const char defifs[] = " \t\n"; static const struct varinit varinit[] = { #ifdef IFS_BROKEN - { &vifs, VSTRFIXED|VTEXTFIXED, defifsvar, + {&vifs, VSTRFIXED | VTEXTFIXED, defifsvar, #else - { &vifs, VSTRFIXED|VTEXTFIXED|VUNSET, "IFS=", -#endif - NULL }, - { &vmail, VSTRFIXED|VTEXTFIXED|VUNSET, "MAIL=", - NULL }, - { &vmpath, VSTRFIXED|VTEXTFIXED|VUNSET, "MAILPATH=", - NULL }, - { &vpath, VSTRFIXED|VTEXTFIXED, defpathvar, - changepath }, + {&vifs, VSTRFIXED | VTEXTFIXED | VUNSET, "IFS=", +#endif + NULL}, + {&vmail, VSTRFIXED | VTEXTFIXED | VUNSET, "MAIL=", + NULL}, + {&vmpath, VSTRFIXED | VTEXTFIXED | VUNSET, "MAILPATH=", + NULL}, + {&vpath, VSTRFIXED | VTEXTFIXED, defpathvar, + changepath}, #if defined(CONFIG_FEATURE_COMMAND_EDITING) && defined(CONFIG_FEATURE_SH_FANCY_PROMPT) - { &vps1, VSTRFIXED|VTEXTFIXED, "PS1=\\w \\$ ", - NULL }, -#endif /* else vps1 depends on uid */ - { &vps2, VSTRFIXED|VTEXTFIXED, "PS2=> ", - NULL }, - { &voptind, VSTRFIXED|VTEXTFIXED, "OPTIND=1", - getoptsreset }, + {&vps1, VSTRFIXED | VTEXTFIXED, "PS1=\\w \\$ ", + NULL}, +#endif /* else vps1 depends on uid */ + {&vps2, VSTRFIXED | VTEXTFIXED, "PS2=> ", + NULL}, + {&voptind, VSTRFIXED | VTEXTFIXED, "OPTIND=1", + getoptsreset}, #ifdef CONFIG_LOCALE_SUPPORT - { &vlc_all, VSTRFIXED|VTEXTFIXED|VUNSET, "LC_ALL=", - change_lc_all }, - { &vlc_ctype, VSTRFIXED|VTEXTFIXED|VUNSET, "LC_CTYPE=", - change_lc_ctype }, + {&vlc_all, VSTRFIXED | VTEXTFIXED | VUNSET, "LC_ALL=", + change_lc_all}, + {&vlc_ctype, VSTRFIXED | VTEXTFIXED | VUNSET, "LC_CTYPE=", + change_lc_ctype}, #endif - { NULL, 0, NULL, - NULL } + {NULL, 0, NULL, + NULL} }; #define VTABSIZE 39 @@ -1251,26 +1286,26 @@ static struct var *vartab[VTABSIZE]; #define mpathset() ((vmpath.flags & VUNSET) == 0) -static void initvar (void); -static void setvar (const char *, const char *, int); -static void setvareq (char *, int); -static void listsetvar (struct strlist *); -static const char *lookupvar (const char *); -static const char *bltinlookup (const char *); -static char **environment (void); -static int showvarscmd (int, char **); -static void mklocal (char *); -static void poplocalvars (void); -static int unsetvar (const char *); -static int varequal (const char *, const char *); +static void initvar(void); +static void setvar(const char *, const char *, int); +static void setvareq(char *, int); +static void listsetvar(struct strlist *); +static const char *lookupvar(const char *); +static const char *bltinlookup(const char *); +static char **environment(void); +static int showvarscmd(int, char **); +static void mklocal(char *); +static void poplocalvars(void); +static int unsetvar(const char *); +static int varequal(const char *, const char *); -static char *arg0; /* value of $0 */ -static struct shparam shellparam; /* current positional parameters */ -static char **argptr; /* argument list for builtin commands */ -static char *optionarg; /* set by nextopt (like getopt) */ -static char *optptr; /* used by nextopt */ -static char *minusc; /* argument to -c option */ +static char *arg0; /* value of $0 */ +static struct shparam shellparam; /* current positional parameters */ +static char **argptr; /* argument list for builtin commands */ +static char *optionarg; /* set by nextopt (like getopt) */ +static char *optptr; /* used by nextopt */ +static char *minusc; /* argument to -c option */ #ifdef CONFIG_ASH_ALIAS @@ -1289,13 +1324,12 @@ struct alias { static struct alias *atab[ATABSIZE]; -static void setalias (char *, char *); -static struct alias **hashalias (const char *); -static struct alias *freealias (struct alias *); -static struct alias **__lookupalias (const char *); +static void setalias(char *, char *); +static struct alias **hashalias(const char *); +static struct alias *freealias(struct alias *); +static struct alias **__lookupalias(const char *); -static void -setalias(char *name, char *val) +static void setalias(char *name, char *val) { struct alias *ap, **app; @@ -1310,7 +1344,7 @@ setalias(char *name, char *val) ap->flag &= ~ALIASDEAD; } else { /* not found */ - ap = xmalloc(sizeof (struct alias)); + ap = xmalloc(sizeof(struct alias)); ap->name = xstrdup(name); ap->val = xstrdup(val); ap->flag = 0; @@ -1320,8 +1354,7 @@ setalias(char *name, char *val) INTON; } -static int -unalias(char *name) +static int unalias(char *name) { struct alias **app; @@ -1337,8 +1370,7 @@ unalias(char *name) return (1); } -static void -rmaliases(void) +static void rmaliases(void) { struct alias *ap, **app; int i; @@ -1356,8 +1388,8 @@ rmaliases(void) INTON; } -static void -printalias(const struct alias *ap) { +static void printalias(const struct alias *ap) +{ char *p; p = single_quote(ap->val); @@ -1369,8 +1401,7 @@ printalias(const struct alias *ap) { /* * TODO - sort output */ -static int -aliascmd(int argc, char **argv) +static int aliascmd(int argc, char **argv) { char *n, *v; int ret = 0; @@ -1386,14 +1417,13 @@ aliascmd(int argc, char **argv) return (0); } while ((n = *++argv) != NULL) { - if ((v = strchr(n+1, '=')) == NULL) { /* n+1: funny ksh stuff */ + if ((v = strchr(n + 1, '=')) == NULL) { /* n+1: funny ksh stuff */ if ((ap = *__lookupalias(n)) == NULL) { out2fmt("%s: %s not found\n", "alias", n); ret = 1; } else printalias(ap); - } - else { + } else { *v++ = '\0'; setalias(n, v); } @@ -1402,8 +1432,7 @@ aliascmd(int argc, char **argv) return (ret); } -static int -unaliascmd(int argc, char **argv) +static int unaliascmd(int argc, char **argv) { int i; @@ -1423,19 +1452,17 @@ unaliascmd(int argc, char **argv) return (i); } -static struct alias ** -hashalias(const char *p) +static struct alias **hashalias(const char *p) { unsigned int hashval; hashval = *p << 4; while (*p) - hashval+= *p++; + hashval += *p++; return &atab[hashval % ATABSIZE]; } -static struct alias * -freealias(struct alias *ap) +static struct alias *freealias(struct alias *ap) { struct alias *next; @@ -1452,8 +1479,7 @@ freealias(struct alias *ap) } -static struct alias ** -__lookupalias(const char *name) +static struct alias **__lookupalias(const char *name) { struct alias **app = hashalias(name); @@ -1472,71 +1498,75 @@ __lookupalias(const char *name) * written implementation written by Aaron Lehmann <aaronl@vitelus.com>. * This is now part of libbb, so that it can be used by all the shells * in busybox. */ -static void expari (int); +static void expari(int); #endif -static char *trap[NSIG]; /* trap handler commands */ -static char sigmode[NSIG - 1]; /* current value of signal */ -static char gotsig[NSIG - 1]; /* indicates specified signal received */ -static int pendingsigs; /* indicates some signal received */ +static char *trap[NSIG]; /* trap handler commands */ +static char sigmode[NSIG - 1]; /* current value of signal */ +static char gotsig[NSIG - 1]; /* indicates specified signal received */ +static int pendingsigs; /* indicates some signal received */ /* * This file was generated by the mkbuiltins program. */ #ifdef CONFIG_ASH_JOB_CONTROL -static int bgcmd (int, char **); -static int fgcmd (int, char **); -static int killcmd (int, char **); +static int bgcmd(int, char **); +static int fgcmd(int, char **); +static int killcmd(int, char **); #endif -static int bltincmd (int, char **); -static int cdcmd (int, char **); -static int breakcmd (int, char **); +static int bltincmd(int, char **); +static int cdcmd(int, char **); +static int breakcmd(int, char **); + #ifdef CONFIG_ASH_CMDCMD -static int commandcmd (int, char **); -#endif -static int dotcmd (int, char **); -static int evalcmd (int, char **); -static int execcmd (int, char **); -static int exitcmd (int, char **); -static int exportcmd (int, char **); -static int histcmd (int, char **); -static int hashcmd (int, char **); -static int helpcmd (int, char **); -static int jobscmd (int, char **); -static int localcmd (int, char **); -static int pwdcmd (int, char **); -static int readcmd (int, char **); -static int returncmd (int, char **); -static int setcmd (int, char **); -static int setvarcmd (int, char **); -static int shiftcmd (int, char **); -static int trapcmd (int, char **); -static int umaskcmd (int, char **); +static int commandcmd(int, char **); +#endif +static int dotcmd(int, char **); +static int evalcmd(int, char **); +static int execcmd(int, char **); +static int exitcmd(int, char **); +static int exportcmd(int, char **); +static int histcmd(int, char **); +static int hashcmd(int, char **); +static int helpcmd(int, char **); +static int jobscmd(int, char **); +static int localcmd(int, char **); +static int pwdcmd(int, char **); +static int readcmd(int, char **); +static int returncmd(int, char **); +static int setcmd(int, char **); +static int setvarcmd(int, char **); +static int shiftcmd(int, char **); +static int trapcmd(int, char **); +static int umaskcmd(int, char **); + #ifdef CONFIG_ASH_ALIAS -static int aliascmd (int, char **); -static int unaliascmd (int, char **); +static int aliascmd(int, char **); +static int unaliascmd(int, char **); #endif -static int unsetcmd (int, char **); -static int waitcmd (int, char **); -static int ulimitcmd (int, char **); -static int timescmd (int, char **); +static int unsetcmd(int, char **); +static int waitcmd(int, char **); +static int ulimitcmd(int, char **); +static int timescmd(int, char **); + #ifdef CONFIG_ASH_MATH_SUPPORT -static int letcmd (int, char **); +static int letcmd(int, char **); #endif -static int typecmd (int, char **); +static int typecmd(int, char **); + #ifdef CONFIG_ASH_GETOPTS -static int getoptscmd (int, char **); +static int getoptscmd(int, char **); #endif #ifndef CONFIG_TRUE -static int true_main (int, char **); +static int true_main(int, char **); #endif #ifndef CONFIG_FALSE -static int false_main (int, char **); +static int false_main(int, char **); #endif -static void setpwd (const char *, int); +static void setpwd(const char *, int); #define BUILTIN_NOSPEC "0" @@ -1553,7 +1583,7 @@ static void setpwd (const char *, int); struct builtincmd { const char *name; int (*const builtinfunc) (int, char **); - //unsigned flags; + /* unsigned flags; */ }; @@ -1564,63 +1594,64 @@ struct builtincmd { * have been warned. */ static const struct builtincmd builtincmds[] = { - { BUILTIN_SPECIAL ".", dotcmd }, /* first, see declare DOTCMD */ - { BUILTIN_SPECIAL ":", true_main }, + {BUILTIN_SPECIAL ".", dotcmd}, /* first, see declare DOTCMD */ + {BUILTIN_SPECIAL ":", true_main}, #ifdef CONFIG_ASH_ALIAS - { BUILTIN_REG_ASSG "alias", aliascmd }, + {BUILTIN_REG_ASSG "alias", aliascmd}, #endif #ifdef CONFIG_ASH_JOB_CONTROL - { BUILTIN_REGULAR "bg", bgcmd }, + {BUILTIN_REGULAR "bg", bgcmd}, #endif - { BUILTIN_SPECIAL "break", breakcmd }, - { BUILTIN_SPECIAL "builtin", bltincmd }, - { BUILTIN_REGULAR "cd", cdcmd }, - { BUILTIN_NOSPEC "chdir", cdcmd }, + {BUILTIN_SPECIAL "break", breakcmd}, + {BUILTIN_SPECIAL "builtin", bltincmd}, + {BUILTIN_REGULAR "cd", cdcmd}, + {BUILTIN_NOSPEC "chdir", cdcmd}, #ifdef CONFIG_ASH_CMDCMD - { BUILTIN_REGULAR "command", commandcmd }, -#endif - { BUILTIN_SPECIAL "continue", breakcmd }, - { BUILTIN_SPECIAL "eval", evalcmd }, - { BUILTIN_SPECIAL "exec", execcmd }, - { BUILTIN_SPECIAL "exit", exitcmd }, - { BUILTIN_SPEC_ASSG "export", exportcmd }, - { BUILTIN_REGULAR "false", false_main }, - { BUILTIN_REGULAR "fc", histcmd }, + {BUILTIN_REGULAR "command", commandcmd}, +#endif + {BUILTIN_SPECIAL "continue", breakcmd}, + {BUILTIN_SPECIAL "eval", evalcmd}, + {BUILTIN_SPECIAL "exec", execcmd}, + {BUILTIN_SPECIAL "exit", exitcmd}, + {BUILTIN_SPEC_ASSG "export", exportcmd}, + {BUILTIN_REGULAR "false", false_main}, + {BUILTIN_REGULAR "fc", histcmd}, #ifdef CONFIG_ASH_JOB_CONTROL - { BUILTIN_REGULAR "fg", fgcmd }, + {BUILTIN_REGULAR "fg", fgcmd}, #endif #ifdef CONFIG_ASH_GETOPTS - { BUILTIN_REGULAR "getopts", getoptscmd }, + {BUILTIN_REGULAR "getopts", getoptscmd}, #endif - { BUILTIN_NOSPEC "hash", hashcmd }, - { BUILTIN_NOSPEC "help", helpcmd }, - { BUILTIN_REGULAR "jobs", jobscmd }, + {BUILTIN_NOSPEC "hash", hashcmd}, + {BUILTIN_NOSPEC "help", helpcmd}, + {BUILTIN_REGULAR "jobs", jobscmd}, #ifdef CONFIG_ASH_JOB_CONTROL - { BUILTIN_REGULAR "kill", killcmd }, + {BUILTIN_REGULAR "kill", killcmd}, #endif #ifdef CONFIG_ASH_MATH_SUPPORT - { BUILTIN_REGULAR "let", letcmd }, -#endif - { BUILTIN_ASSIGN "local", localcmd }, - { BUILTIN_NOSPEC "pwd", pwdcmd }, - { BUILTIN_REGULAR "read", readcmd }, - { BUILTIN_SPEC_ASSG "readonly", exportcmd }, - { BUILTIN_SPECIAL "return", returncmd }, - { BUILTIN_SPECIAL "set", setcmd }, - { BUILTIN_NOSPEC "setvar", setvarcmd }, - { BUILTIN_SPECIAL "shift", shiftcmd }, - { BUILTIN_SPECIAL "times", timescmd }, - { BUILTIN_SPECIAL "trap", trapcmd }, - { BUILTIN_REGULAR "true", true_main }, - { BUILTIN_NOSPEC "type", typecmd }, - { BUILTIN_NOSPEC "ulimit", ulimitcmd }, - { BUILTIN_REGULAR "umask", umaskcmd }, + {BUILTIN_REGULAR "let", letcmd}, +#endif + {BUILTIN_ASSIGN "local", localcmd}, + {BUILTIN_NOSPEC "pwd", pwdcmd}, + {BUILTIN_REGULAR "read", readcmd}, + {BUILTIN_SPEC_ASSG "readonly", exportcmd}, + {BUILTIN_SPECIAL "return", returncmd}, + {BUILTIN_SPECIAL "set", setcmd}, + {BUILTIN_NOSPEC "setvar", setvarcmd}, + {BUILTIN_SPECIAL "shift", shiftcmd}, + {BUILTIN_SPECIAL "times", timescmd}, + {BUILTIN_SPECIAL "trap", trapcmd}, + {BUILTIN_REGULAR "true", true_main}, + {BUILTIN_NOSPEC "type", typecmd}, + {BUILTIN_NOSPEC "ulimit", ulimitcmd}, + {BUILTIN_REGULAR "umask", umaskcmd}, #ifdef CONFIG_ASH_ALIAS - { BUILTIN_REGULAR "unalias", unaliascmd }, + {BUILTIN_REGULAR "unalias", unaliascmd}, #endif - { BUILTIN_SPECIAL "unset", unsetcmd }, - { BUILTIN_REGULAR "wait", waitcmd }, + {BUILTIN_SPECIAL "unset", unsetcmd}, + {BUILTIN_REGULAR "wait", waitcmd}, }; + #define NUMBUILTINS (sizeof (builtincmds) / sizeof (struct builtincmd) ) #define DOTCMD &builtincmds[0] @@ -1629,8 +1660,8 @@ static struct builtincmd *EXECCMD; static struct builtincmd *EVALCMD; /* states */ -#define CONFIG_ASH_JOB_CONTROLTOPPED 1 /* all procs are stopped */ -#define JOBDONE 2 /* all procs are completed */ +#define CONFIG_ASH_JOB_CONTROLTOPPED 1 /* all procs are stopped */ +#define JOBDONE 2 /* all procs are completed */ /* * A job structure contains information about a job. A job is either a @@ -1640,58 +1671,58 @@ static struct builtincmd *EVALCMD; */ struct procstat { - pid_t pid; /* process id */ - int status; /* status flags (defined above) */ - char *cmd; /* text of command being run */ + pid_t pid; /* process id */ + int status; /* status flags (defined above) */ + char *cmd; /* text of command being run */ }; -static int job_warning; /* user was warned about stopped jobs */ +static int job_warning; /* user was warned about stopped jobs */ #ifdef CONFIG_ASH_JOB_CONTROL static void setjobctl(int enable); #else -#define setjobctl(on) /* do nothing */ +#define setjobctl(on) /* do nothing */ #endif struct job { - struct procstat ps0; /* status of process */ - struct procstat *ps; /* status or processes when more than one */ - short nprocs; /* number of processes */ - short pgrp; /* process group of this job */ - char state; /* true if job is finished */ - char used; /* true if this entry is in used */ - char changed; /* true if status has changed */ + struct procstat ps0; /* status of process */ + struct procstat *ps; /* status or processes when more than one */ + short nprocs; /* number of processes */ + short pgrp; /* process group of this job */ + char state; /* true if job is finished */ + char used; /* true if this entry is in used */ + char changed; /* true if status has changed */ #ifdef CONFIG_ASH_JOB_CONTROL - char jobctl; /* job running under job control */ + char jobctl; /* job running under job control */ #endif }; -static struct job *jobtab; /* array of jobs */ -static int njobs; /* size of array */ -static int backgndpid = -1; /* pid of last background process */ +static struct job *jobtab; /* array of jobs */ +static int njobs; /* size of array */ +static int backgndpid = -1; /* pid of last background process */ + #ifdef CONFIG_ASH_JOB_CONTROL -static int initialpgrp; /* pgrp of shell on invocation */ -static int curjob; /* current job */ +static int initialpgrp; /* pgrp of shell on invocation */ +static int curjob; /* current job */ static int jobctl; #endif static int intreceived; -static struct job *makejob (const union node *, int); -static int forkshell (struct job *, const union node *, int); -static int waitforjob (struct job *); +static struct job *makejob(const union node *, int); +static int forkshell(struct job *, const union node *, int); +static int waitforjob(struct job *); -static int docd (char *, int); -static void getpwd (void); +static int docd(char *, int); +static void getpwd(void); -static char *padvance (const char **, const char *); +static char *padvance(const char **, const char *); -static char nullstr[1]; /* zero length string */ -static char *curdir = nullstr; /* current working directory */ +static char nullstr[1]; /* zero length string */ +static char *curdir = nullstr; /* current working directory */ -static int -cdcmd(int argc, char **argv) +static int cdcmd(int argc, char **argv) { const char *dest; const char *path; @@ -1742,8 +1773,7 @@ cdcmd(int argc, char **argv) * directory name if "print" is nonzero. */ -static int -docd(char *dest, int print) +static int docd(char *dest, int print) { TRACE(("docd(\"%s\", %d) called\n", dest, print)); INTOFF; @@ -1770,24 +1800,21 @@ docd(char *dest, int print) } -static int -pwdcmd(int argc, char **argv) +static int pwdcmd(int argc, char **argv) { puts(curdir); return 0; } /* Ask system the current directory */ -static void -getpwd(void) +static void getpwd(void) { curdir = xgetcwd(0); - if(curdir==0) + if (curdir == 0) curdir = nullstr; } -static void -setpwd(const char *val, int setold) +static void setpwd(const char *val, int setold) { char *cated = NULL; @@ -1796,13 +1823,13 @@ setpwd(const char *val, int setold) } INTOFF; if (curdir != nullstr) { - if(val!=NULL && *val != '/') + if (val != NULL && *val != '/') val = cated = concat_path_file(curdir, val); free(curdir); } if (!val) getpwd(); - else + else curdir = simplify_path(val); free(cated); INTON; @@ -1832,16 +1859,16 @@ struct jmploc { }; /* exceptions */ -#define EXINT 0 /* SIGINT received */ -#define EXERROR 1 /* a generic error */ -#define EXSHELLPROC 2 /* execute a shell procedure */ -#define EXEXEC 3 /* command execution failed */ +#define EXINT 0 /* SIGINT received */ +#define EXERROR 1 /* a generic error */ +#define EXSHELLPROC 2 /* execute a shell procedure */ +#define EXEXEC 3 /* command execution failed */ static struct jmploc *handler; static int exception; -static void exverror (int, const char *, va_list) - __attribute__((__noreturn__)); +static void exverror(int, const char *, va_list) + __attribute__ ((__noreturn__)); /* * Called to raise an exception. Since C doesn't include exceptions, we @@ -1849,10 +1876,9 @@ static void exverror (int, const char *, va_list) * stored in the global variable "exception". */ -static void exraise (int) __attribute__((__noreturn__)); +static void exraise(int) __attribute__ ((__noreturn__)); -static void -exraise(int e) +static void exraise(int e) { #ifdef DEBUG if (handler == NULL) @@ -1874,8 +1900,8 @@ exraise(int e) * just defensive programming.) */ -static void -onint(void) { +static void onint(void) +{ sigset_t mysigset; if (suppressint) { @@ -1895,15 +1921,14 @@ onint(void) { } -static char *commandname; /* currently executing command */ +static char *commandname; /* currently executing command */ /* * Exverror is called to raise the error exception. If the first argument * is not NULL then error prints an error message using printf style * formatting. It then raises the error exception. */ -static void -exverror(int cond, const char *msg, va_list ap) +static void exverror(int cond, const char *msg, va_list ap) { CLEAR_PENDING_INT; INTOFF; @@ -1925,10 +1950,10 @@ exverror(int cond, const char *msg, va_list ap) } -static void -error(const char *msg, ...) +static void error(const char *msg, ...) { va_list ap; + va_start(ap, msg); exverror(EXERROR, msg, ap); /* NOTREACHED */ @@ -1936,10 +1961,10 @@ error(const char *msg, ...) } -static void -exerror(int cond, const char *msg, ...) +static void exerror(int cond, const char *msg, ...) { va_list ap; + va_start(ap, msg); exverror(cond, msg, ap); /* NOTREACHED */ @@ -1953,71 +1978,71 @@ exerror(int cond, const char *msg, ...) */ struct errname { - short errcode; /* error number */ - short action; /* operation which encountered the error */ + short errcode; /* error number */ + short action; /* operation which encountered the error */ }; /* * Types of operations (passed to the errmsg routine). */ -#define E_OPEN 01 /* opening a file */ -#define E_CREAT 02 /* creating a file */ -#define E_EXEC 04 /* executing a program */ +#define E_OPEN 01 /* opening a file */ +#define E_CREAT 02 /* creating a file */ +#define E_EXEC 04 /* executing a program */ #define ALL (E_OPEN|E_CREAT|E_EXEC) static const struct errname errormsg[] = { - { EINTR, ALL }, - { EACCES, ALL }, - { EIO, ALL }, - { ENOENT, E_OPEN }, - { ENOENT, E_CREAT }, - { ENOENT, E_EXEC }, - { ENOTDIR, E_OPEN }, - { ENOTDIR, E_CREAT }, - { ENOTDIR, E_EXEC }, - { EISDIR, ALL }, - { EEXIST, E_CREAT }, + {EINTR, ALL}, + {EACCES, ALL}, + {EIO, ALL}, + {ENOENT, E_OPEN}, + {ENOENT, E_CREAT}, + {ENOENT, E_EXEC}, + {ENOTDIR, E_OPEN}, + {ENOTDIR, E_CREAT}, + {ENOTDIR, E_EXEC}, + {EISDIR, ALL}, + {EEXIST, E_CREAT}, #ifdef EMFILE - { EMFILE, ALL }, + {EMFILE, ALL}, #endif - { ENFILE, ALL }, - { ENOSPC, ALL }, + {ENFILE, ALL}, + {ENOSPC, ALL}, #ifdef EDQUOT - { EDQUOT, ALL }, + {EDQUOT, ALL}, #endif #ifdef ENOSR - { ENOSR, ALL }, + {ENOSR, ALL}, #endif - { ENXIO, ALL }, - { EROFS, ALL }, - { ETXTBSY, ALL }, + {ENXIO, ALL}, + {EROFS, ALL}, + {ETXTBSY, ALL}, #ifdef EAGAIN - { EAGAIN, E_EXEC }, + {EAGAIN, E_EXEC}, #endif - { ENOMEM, ALL }, + {ENOMEM, ALL}, #ifdef ENOLINK - { ENOLINK, ALL }, + {ENOLINK, ALL}, #endif #ifdef EMULTIHOP - { EMULTIHOP, ALL }, + {EMULTIHOP, ALL}, #endif #ifdef ECOMM - { ECOMM, ALL }, + {ECOMM, ALL}, #endif #ifdef ESTALE - { ESTALE, ALL }, + {ESTALE, ALL}, #endif #ifdef ETIMEDOUT - { ETIMEDOUT, ALL }, + {ETIMEDOUT, ALL}, #endif #ifdef ELOOP - { ELOOP, ALL }, + {ELOOP, ALL}, #endif - { E2BIG, E_EXEC }, + {E2BIG, E_EXEC}, #ifdef ELIBACC - { ELIBACC, E_EXEC }, + {ELIBACC, E_EXEC}, #endif }; @@ -2029,13 +2054,12 @@ static const struct errname errormsg[] = { * Action describes the operation that got the error. */ -static const char * -errmsg(int e, int action) +static const char *errmsg(int e, int action) { struct errname const *ep; static char buf[12]; - for (ep = errormsg ; ep < errormsg+ERRNAME_SIZE; ep++) { + for (ep = errormsg; ep < errormsg + ERRNAME_SIZE; ep++) { if (ep->errcode == e && (ep->action & action) != 0) return strerror(e); } @@ -2046,13 +2070,14 @@ errmsg(int e, int action) #ifdef CONFIG_ASH_OPTIMIZE_FOR_SIZE -static void -__inton() { +static void __inton() +{ if (--suppressint == 0 && intpending) { onint(); } } -static void forceinton (void) { +static void forceinton(void) +{ suppressint = 0; if (intpending) onint(); @@ -2060,25 +2085,26 @@ static void forceinton (void) { #endif /* flags in argument to evaltree */ -#define EV_EXIT 01 /* exit after evaluating tree */ -#define EV_TESTED 02 /* exit status is checked; ignore -e flag */ -#define EV_BACKCMD 04 /* command executing within back quotes */ +#define EV_EXIT 01 /* exit after evaluating tree */ +#define EV_TESTED 02 /* exit status is checked; ignore -e flag */ +#define EV_BACKCMD 04 /* command executing within back quotes */ -static int evalskip; /* set if we are skipping commands */ -static int skipcount; /* number of levels to skip */ -static int loopnest; /* current loop nesting level */ -static int funcnest; /* depth of function calls */ +static int evalskip; /* set if we are skipping commands */ +static int skipcount; /* number of levels to skip */ +static int loopnest; /* current loop nesting level */ +static int funcnest; /* depth of function calls */ -static struct strlist *cmdenviron; /* environment for builtin command */ -static int exitstatus; /* exit status of last command */ -static int oexitstatus; /* saved exit status */ +static struct strlist *cmdenviron; /* environment for builtin command */ +static int exitstatus; /* exit status of last command */ +static int oexitstatus; /* saved exit status */ -static void evalsubshell (const union node *, int); -static void expredir (union node *); -static void eprintlist (struct strlist *); +static void evalsubshell(const union node *, int); +static void expredir(union node *); +static void eprintlist(struct strlist *); static union node *parsecmd(int); + /* * Called to reset things after an exception. */ @@ -2086,10 +2112,9 @@ static union node *parsecmd(int); /* * The eval commmand. */ -static void evalstring (char *, int); +static void evalstring(char *, int); -static int -evalcmd(int argc, char **argv) +static int evalcmd(int argc, char **argv) { char *p; char *concat; @@ -2119,15 +2144,14 @@ evalcmd(int argc, char **argv) * Execute a command or commands contained in a string. */ -static void evaltree (union node *, int); -static void setinputstring (char *); -static void popfile (void); +static void evaltree(union node *, int); +static void setinputstring(char *); +static void popfile(void); static void setstackmark(struct stackmark *mark); static void popstackmark(struct stackmark *mark); -static void -evalstring(char *s, int flag) +static void evalstring(char *s, int flag) { union node *n; struct stackmark smark; @@ -2142,23 +2166,22 @@ evalstring(char *s, int flag) popstackmark(&smark); } -static struct builtincmd *find_builtin (const char *); -static void expandarg (union node *, struct arglist *, int); -static void calcsize (const union node *); -static union node *copynode (const union node *); +static struct builtincmd *find_builtin(const char *); +static void expandarg(union node *, struct arglist *, int); +static void calcsize(const union node *); +static union node *copynode(const union node *); /* * Make a copy of a parse tree. */ -static int funcblocksize; /* size of structures in function */ -static int funcstringsize; /* size of strings in node */ -static pointer funcblock; /* block to allocate function from */ -static char *funcstring; /* block to allocate strings from */ +static int funcblocksize; /* size of structures in function */ +static int funcstringsize; /* size of strings in node */ +static pointer funcblock; /* block to allocate function from */ +static char *funcstring; /* block to allocate strings from */ -static inline union node * -copyfunc(union node *n) +static inline union node *copyfunc(union node *n) { if (n == NULL) return NULL; @@ -2175,8 +2198,7 @@ copyfunc(union node *n) * the same name. */ -static inline void -addcmdentry(char *name, struct cmdentry *entry) +static inline void addcmdentry(char *name, struct cmdentry *entry) { struct tblentry *cmdp; @@ -2190,8 +2212,7 @@ addcmdentry(char *name, struct cmdentry *entry) INTON; } -static inline void -evalloop(const union node *n, int flags) +static inline void evalloop(const union node *n, int flags) { int status; @@ -2200,7 +2221,7 @@ evalloop(const union node *n, int flags) for (;;) { evaltree(n->nbinary.ch1, EV_TESTED); if (evalskip) { -skipping: if (evalskip == SKIPCONT && --skipcount <= 0) { + skipping:if (evalskip == SKIPCONT && --skipcount <= 0) { evalskip = 0; continue; } @@ -2224,8 +2245,7 @@ skipping: if (evalskip == SKIPCONT && --skipcount <= 0) { exitstatus = status; } -static void -evalfor(const union node *n, int flags) +static void evalfor(const union node *n, int flags) { struct arglist arglist; union node *argp; @@ -2234,7 +2254,7 @@ evalfor(const union node *n, int flags) setstackmark(&smark); arglist.lastp = &arglist.list; - for (argp = n->nfor.args ; argp ; argp = argp->narg.next) { + for (argp = n->nfor.args; argp; argp = argp->narg.next) { oexitstatus = exitstatus; expandarg(argp, &arglist, EXP_FULL | EXP_TILDE | EXP_RECORD); if (evalskip) @@ -2244,7 +2264,7 @@ evalfor(const union node *n, int flags) exitstatus = 0; loopnest++; - for (sp = arglist.list ; sp ; sp = sp->next) { + for (sp = arglist.list; sp; sp = sp->next) { setvar(n->nfor.var, sp->text, 0); evaltree(n->nfor.body, flags & EV_TESTED); if (evalskip) { @@ -2258,12 +2278,11 @@ evalfor(const union node *n, int flags) } } loopnest--; -out: + out: popstackmark(&smark); } -static inline void -evalcase(const union node *n, int flags) +static inline void evalcase(const union node *n, int flags) { union node *cp; union node *patp; @@ -2274,8 +2293,8 @@ evalcase(const union node *n, int flags) arglist.lastp = &arglist.list; oexitstatus = exitstatus; expandarg(n->ncase.expr, &arglist, EXP_TILDE); - for (cp = n->ncase.cases ; cp && evalskip == 0 ; cp = cp->nclist.next) { - for (patp = cp->nclist.pattern ; patp ; patp = patp->narg.next) { + for (cp = n->ncase.cases; cp && evalskip == 0; cp = cp->nclist.next) { + for (patp = cp->nclist.pattern; patp; patp = patp->narg.next) { if (casematch(patp, arglist.list->text)) { if (evalskip == 0) { evaltree(cp->nclist.body, flags); @@ -2284,7 +2303,7 @@ evalcase(const union node *n, int flags) } } } -out: + out: popstackmark(&smark); } @@ -2303,14 +2322,14 @@ static inline void evalpipe(union node *n) int prevfd; int pip[2]; - TRACE(("evalpipe(0x%lx) called\n", (long)n)); + TRACE(("evalpipe(0x%lx) called\n", (long) n)); pipelen = 0; - for (lp = n->npipe.cmdlist ; lp ; lp = lp->next) + for (lp = n->npipe.cmdlist; lp; lp = lp->next) pipelen++; INTOFF; jp = makejob(n, pipelen); prevfd = -1; - for (lp = n->npipe.cmdlist ; lp ; lp = lp->next) { + for (lp = n->npipe.cmdlist; lp; lp = lp->next) { /* * Search for a command. This is called before we fork so that the * location of the command will be available in the parent as well as @@ -2320,7 +2339,9 @@ static inline void evalpipe(union node *n) struct cmdentry entry; union node *lpn = lp->n; - if (lpn->type == NCMD && lpn->ncmd.args && goodname(lpn->ncmd.args->narg.text)) + + if (lpn->type == NCMD && lpn->ncmd.args + && goodname(lpn->ncmd.args->narg.text)) find_command(lpn->ncmd.args->narg.text, &entry, 0, pathval()); pip[1] = -1; @@ -2366,8 +2387,8 @@ static inline void evalpipe(union node *n) } } -static int -isassignment(const char *word) { +static int isassignment(const char *word) +{ if (!is_name(*word)) { return 0; } @@ -2378,8 +2399,7 @@ isassignment(const char *word) { } -static void -evalcommand(union node *cmd, int flags) +static void evalcommand(union node *cmd, int flags) { struct stackmark smark; union node *argp; @@ -2401,6 +2421,7 @@ evalcommand(union node *cmd, int flags) const struct builtincmd *firstbltin; struct jmploc *volatile savehandler; struct jmploc jmploc; + #if __GNUC__ /* Avoid longjmp clobbering */ (void) &argv; @@ -2410,7 +2431,7 @@ evalcommand(union node *cmd, int flags) #endif /* First expand the arguments. */ - TRACE(("evalcommand(0x%lx, %d) called\n", (long)cmd, flags)); + TRACE(("evalcommand(0x%lx, %d) called\n", (long) cmd, flags)); setstackmark(&smark); arglist.lastp = &arglist.list; varlist.lastp = &varlist.list; @@ -2421,15 +2442,13 @@ evalcommand(union node *cmd, int flags) for (argp = cmd->ncmd.assign; argp; argp = argp->narg.next) { expandarg(argp, &varlist, EXP_VARTILDE); } - for ( - argp = cmd->ncmd.args; argp && !arglist.list; - argp = argp->narg.next - ) { + for (argp = cmd->ncmd.args; argp && !arglist.list; argp = argp->narg.next) { expandarg(argp, &arglist, EXP_FULL | EXP_TILDE); } if (argp) { struct builtincmd *bcmd; int pseudovarflag; + bcmd = find_builtin(arglist.list->text); pseudovarflag = bcmd && IS_BUILTIN_ASSIGN(bcmd); for (; argp; argp = argp->narg.next) { @@ -2444,11 +2463,11 @@ evalcommand(union node *cmd, int flags) *varlist.lastp = NULL; expredir(cmd->ncmd.redirect); argc = 0; - for (sp = arglist.list ; sp ; sp = sp->next) + for (sp = arglist.list; sp; sp = sp->next) argc++; - argv = stalloc(sizeof (char *) * (argc + 1)); + argv = stalloc(sizeof(char *) * (argc + 1)); - for (sp = arglist.list ; sp ; sp = sp->next) { + for (sp = arglist.list; sp; sp = sp->next) { TRACE(("evalcommand arg: %s\n", sp->text)); *argv++ = sp->text; } @@ -2479,7 +2498,7 @@ evalcommand(union node *cmd, int flags) * Modify the command lookup path, if a PATH= assignment * is present */ - for (sp = varlist.list ; sp ; sp = sp->next) + for (sp = varlist.list; sp; sp = sp->next) if (varequal(sp->text, defpathvar)) { path = sp->text + 5; findflag |= DO_BRUTE; @@ -2487,9 +2506,9 @@ evalcommand(union node *cmd, int flags) oldpath = path; oldfindflag = findflag; firstbltin = 0; - for(;;) { + for (;;) { find_command(argv[0], &cmdentry, findflag, path); - if (cmdentry.cmdtype == CMDUNKNOWN) { /* command not found */ + if (cmdentry.cmdtype == CMDUNKNOWN) { /* command not found */ exitstatus = 127; goto out; } @@ -2501,7 +2520,7 @@ evalcommand(union node *cmd, int flags) firstbltin = cmdentry.u.cmd; } if (cmdentry.u.cmd == BLTINCMD) { - for(;;) { + for (;;) { struct builtincmd *bcmd; argv++; @@ -2541,19 +2560,19 @@ evalcommand(union node *cmd, int flags) findflag |= DO_NOFUN; continue; } -found: + found: break; } } /* Fork off a child process if necessary. */ if (cmd->ncmd.backgnd - || (cmdentry.cmdtype == CMDNORMAL && (flags & EV_EXIT) == 0) - ) { + || (cmdentry.cmdtype == CMDNORMAL && (flags & EV_EXIT) == 0) + ) { jp = makejob(cmd, 1); mode = cmd->ncmd.backgnd; if (forkshell(jp, cmd, mode) != 0) - goto parent; /* at end of routine */ + goto parent; /* at end of routine */ flags |= EV_EXIT; } @@ -2561,7 +2580,8 @@ found: /* Execute the command. */ if (cmdentry.cmdtype == CMDFUNCTION) { #ifdef DEBUG - trputs("Shell function: "); trargs(argv); + trputs("Shell function: "); + trargs(argv); #endif exitstatus = oexitstatus; redirect(cmd->ncmd.redirect, REDIR_PUSH); @@ -2576,7 +2596,7 @@ found: if (setjmp(jmploc.loc)) { if (exception == EXSHELLPROC) { freeparam((volatile struct shparam *) - &saveparam); + &saveparam); } else { saveparam.optind = shellparam.optind; saveparam.optoff = shellparam.optoff; @@ -2590,7 +2610,7 @@ found: } savehandler = handler; handler = &jmploc; - for (sp = varlist.list ; sp ; sp = sp->next) + for (sp = varlist.list; sp; sp = sp->next) mklocal(sp->text); funcnest++; evaltree(cmdentry.u.func, flags & EV_TESTED); @@ -2613,9 +2633,10 @@ found: exitshell(exitstatus); } else if (cmdentry.cmdtype == CMDBUILTIN) { #ifdef DEBUG - trputs("builtin command: "); trargs(argv); + trputs("builtin command: "); + trargs(argv); #endif - mode = (cmdentry.u.cmd == EXECCMD)? 0 : REDIR_PUSH; + mode = (cmdentry.u.cmd == EXECCMD) ? 0 : REDIR_PUSH; redirect(cmd->ncmd.redirect, mode); savecmdname = commandname; if (IS_BUILTIN_SPECIAL(firstbltin)) { @@ -2626,17 +2647,17 @@ found: e = -1; if (setjmp(jmploc.loc)) { e = exception; - exitstatus = (e == EXINT)? SIGINT+128 : 2; + exitstatus = (e == EXINT) ? SIGINT + 128 : 2; goto cmddone; } savehandler = handler; handler = &jmploc; commandname = argv[0]; argptr = argv + 1; - optptr = NULL; /* initialize nextopt */ - exitstatus = (*cmdentry.u.cmd->builtinfunc)(argc, argv); + optptr = NULL; /* initialize nextopt */ + exitstatus = (*cmdentry.u.cmd->builtinfunc) (argc, argv); flushall(); -cmddone: + cmddone: cmdenviron = NULL; if (e != EXSHELLPROC) { commandname = savecmdname; @@ -2646,10 +2667,9 @@ cmddone: handler = savehandler; if (e != -1) { if ((e != EXERROR && e != EXEXEC) - || cmdentry.u.cmd == BLTINCMD - || cmdentry.u.cmd == DOTCMD - || cmdentry.u.cmd == EVALCMD - || cmdentry.u.cmd == EXECCMD) + || cmdentry.u.cmd == BLTINCMD + || cmdentry.u.cmd == DOTCMD + || cmdentry.u.cmd == EVALCMD || cmdentry.u.cmd == EXECCMD) exraise(e); FORCEINTON; } @@ -2657,25 +2677,26 @@ cmddone: popredir(); } else { #ifdef DEBUG - trputs("normal command: "); trargs(argv); + trputs("normal command: "); + trargs(argv); #endif redirect(cmd->ncmd.redirect, 0); clearredir(); - for (sp = varlist.list ; sp ; sp = sp->next) - setvareq(sp->text, VEXPORT|VSTACK); + for (sp = varlist.list; sp; sp = sp->next) + setvareq(sp->text, VEXPORT | VSTACK); envp = environment(); shellexec(argv, envp, path, cmdentry.u.index); } goto out; -parent: /* parent process gets here (if we forked) */ - if (mode == 0) { /* argument to fork */ + parent: /* parent process gets here (if we forked) */ + if (mode == 0) { /* argument to fork */ INTOFF; exitstatus = waitforjob(jp); INTON; } -out: + out: if (lastarg) setvar("_", lastarg, 0); popstackmark(&smark); @@ -2685,15 +2706,15 @@ out: * Evaluate a parse tree. The value is left in the global variable * exitstatus. */ -static void -evaltree(union node *n, int flags) +static void evaltree(union node *n, int flags) { int checkexit = 0; + if (n == NULL) { TRACE(("evaltree(NULL) called\n")); goto out; } - TRACE(("evaltree(0x%lx: %d) called\n", (long)n, n->type)); + TRACE(("evaltree(0x%lx: %d) called\n", (long) n, n->type)); switch (n->type) { case NSEMI: evaltree(n->nbinary.ch1, flags & EV_TESTED); @@ -2725,7 +2746,7 @@ evaltree(union node *n, int flags) case NBACKGND: evalsubshell(n, flags); break; - case NIF: { + case NIF:{ evaltree(n->nif.test, EV_TESTED); if (evalskip) goto out; @@ -2747,13 +2768,12 @@ evaltree(union node *n, int flags) case NCASE: evalcase(n, flags); break; - case NDEFUN: { + case NDEFUN:{ struct builtincmd *bcmd; struct cmdentry entry; - if ( - (bcmd = find_builtin(n->narg.text)) && - IS_BUILTIN_SPECIAL(bcmd) - ) { + + if ((bcmd = find_builtin(n->narg.text)) && IS_BUILTIN_SPECIAL(bcmd) + ) { out2fmt("%s is a special built-in\n", n->narg.text); exitstatus = 1; break; @@ -2783,13 +2803,12 @@ evaltree(union node *n, int flags) break; #endif } -out: + out: if (pendingsigs) dotrap(); - if ( - flags & EV_EXIT || + if (flags & EV_EXIT || (checkexit && eflag && exitstatus && !(flags & EV_TESTED)) - ) + ) exitshell(exitstatus); } @@ -2797,8 +2816,7 @@ out: * Kick off a subshell to evaluate a tree. */ -static void -evalsubshell(const union node *n, int flags) +static void evalsubshell(const union node *n, int flags) { struct job *jp; int backgnd = (n->type == NBACKGND); @@ -2807,11 +2825,11 @@ evalsubshell(const union node *n, int flags) jp = makejob(n, 1); if (forkshell(jp, n, backgnd) == 0) { if (backgnd) - flags &=~ EV_TESTED; + flags &= ~EV_TESTED; redirect(n->nredir.redirect, 0); - evaltree(n->nredir.n, flags | EV_EXIT); /* never returns */ + evaltree(n->nredir.n, flags | EV_EXIT); /* never returns */ } - if (! backgnd) { + if (!backgnd) { INTOFF; exitstatus = waitforjob(jp); INTON; @@ -2824,13 +2842,13 @@ evalsubshell(const union node *n, int flags) static void fixredir(union node *n, const char *text, int err); -static void -expredir(union node *n) +static void expredir(union node *n) { union node *redir; - for (redir = n ; redir ; redir = redir->nfile.next) { + for (redir = n; redir; redir = redir->nfile.next) { struct arglist fn; + fn.lastp = &fn.list; oexitstatus = exitstatus; switch (redir->type) { @@ -2861,12 +2879,11 @@ expredir(union node *n) * Should be called with interrupts off. */ -static void -evalbackcmd(union node *n, struct backcmd *result) +static void evalbackcmd(union node *n, struct backcmd *result) { int pip[2]; struct job *jp; - struct stackmark smark; /* unnecessary */ + struct stackmark smark; /* unnecessary */ setstackmark(&smark); result->fd = -1; @@ -2895,10 +2912,10 @@ evalbackcmd(union node *n, struct backcmd *result) close(pip[1]); result->fd = pip[0]; result->jp = jp; -out: + out: popstackmark(&smark); TRACE(("evalbackcmd done: fd=%d buf=0x%x nleft=%d jp=0x%x\n", - result->fd, result->buf, result->nleft, result->jp)); + result->fd, result->buf, result->nleft, result->jp)); } @@ -2917,8 +2934,7 @@ out: * specified variables. */ -int -bltincmd(int argc, char **argv) +int bltincmd(int argc, char **argv) { /* * Preserve exitstatus of a previous possible redirection @@ -2939,8 +2955,7 @@ bltincmd(int argc, char **argv) * in the standard shell so we don't make it one here. */ -static int -breakcmd(int argc, char **argv) +static int breakcmd(int argc, char **argv) { int n = argc > 1 ? number(argv[1]) : 1; @@ -2949,7 +2964,7 @@ breakcmd(int argc, char **argv) if (n > loopnest) n = loopnest; if (n > 0) { - evalskip = (**argv == 'c')? SKIPCONT : SKIPBREAK; + evalskip = (**argv == 'c') ? SKIPCONT : SKIPBREAK; skipcount = n; } return 0; @@ -2960,8 +2975,7 @@ breakcmd(int argc, char **argv) * The return command. */ -static int -returncmd(int argc, char **argv) +static int returncmd(int argc, char **argv) { int ret = argc > 1 ? number(argv[1]) : oexitstatus; @@ -2969,8 +2983,7 @@ returncmd(int argc, char **argv) evalskip = SKIPFUNC; skipcount = 1; return ret; - } - else { + } else { /* Do what ksh does; skip the rest of the file */ evalskip = SKIPFILE; skipcount = 1; @@ -2980,16 +2993,14 @@ returncmd(int argc, char **argv) #ifndef CONFIG_FALSE -static int -false_main(int argc, char **argv) +static int false_main(int argc, char **argv) { return 1; } #endif #ifndef CONFIG_TRUE -static int -true_main(int argc, char **argv) +static int true_main(int argc, char **argv) { return 0; } @@ -3005,11 +3016,10 @@ static void setsignal(int signo); static void chkmail(int silent); #endif -static void -setinteractive(int on) +static void setinteractive(int on) { static int is_interactive; - static int do_banner=0; + static int do_banner = 0; if (on == is_interactive) return; @@ -3020,45 +3030,42 @@ setinteractive(int on) chkmail(1); #endif is_interactive = on; - if (do_banner==0 && is_interactive) { + if (do_banner == 0 && is_interactive) { /* Looks like they want an interactive shell */ -#ifndef CONFIG_FEATURE_SH_EXTRA_QUIET - printf( "\n\n" BB_BANNER " Built-in shell (ash)\n"); - printf( "Enter 'help' for a list of built-in commands.\n\n"); +#ifndef CONFIG_FEATURE_SH_EXTRA_QUIET + printf("\n\n" BB_BANNER " Built-in shell (ash)\n"); + printf("Enter 'help' for a list of built-in commands.\n\n"); #endif - do_banner=1; + do_banner = 1; } } -static void -optschanged(void) +static void optschanged(void) { setinteractive(iflag); setjobctl(mflag); } -static int -execcmd(int argc, char **argv) +static int execcmd(int argc, char **argv) { if (argc > 1) { struct strlist *sp; - iflag = 0; /* exit on error */ + iflag = 0; /* exit on error */ mflag = 0; optschanged(); - for (sp = cmdenviron; sp ; sp = sp->next) - setvareq(sp->text, VEXPORT|VSTACK); + for (sp = cmdenviron; sp; sp = sp->next) + setvareq(sp->text, VEXPORT | VSTACK); shellexec(argv + 1, environment(), pathval(), 0); } return 0; } -static void -eprintlist(struct strlist *sp) +static void eprintlist(struct strlist *sp) { for (; sp; sp = sp->next) { - out2fmt(" %s",sp->text); + out2fmt(" %s", sp->text); } } @@ -3067,10 +3074,9 @@ eprintlist(struct strlist *sp) * have to change the find_command routine as well. */ -static const char *pathopt; /* set by padvance */ +static const char *pathopt; /* set by padvance */ -static void -shellexec(char **argv, char **envp, const char *path, int idx) +static void shellexec(char **argv, char **envp, const char *path, int idx) { char *cmdname; int e; @@ -3109,13 +3115,12 @@ shellexec(char **argv, char **envp, const char *path, int idx) /* * Clear traps on a fork. */ -static void -clear_traps(void) +static void clear_traps(void) { char **tp; - for (tp = trap ; tp < &trap[NSIG] ; tp++) { - if (*tp && **tp) { /* trap not NULL or SIG_IGN */ + for (tp = trap; tp < &trap[NSIG]; tp++) { + if (*tp && **tp) { /* trap not NULL or SIG_IGN */ INTOFF; free(*tp); *tp = NULL; @@ -3127,68 +3132,67 @@ clear_traps(void) } -static void -initshellproc(void) +static void initshellproc(void) { #ifdef CONFIG_ASH_ALIAS - /* from alias.c: */ - { - rmaliases(); - } -#endif - /* from eval.c: */ - { - exitstatus = 0; - } - - /* from exec.c: */ - { - deletefuncs(); - } - - /* from jobs.c: */ - { - backgndpid = -1; + /* from alias.c: */ + { + rmaliases(); + } +#endif + /* from eval.c: */ + { + exitstatus = 0; + } + + /* from exec.c: */ + { + deletefuncs(); + } + + /* from jobs.c: */ + { + backgndpid = -1; #ifdef CONFIG_ASH_JOB_CONTROL - jobctl = 0; + jobctl = 0; #endif - } + } - /* from options.c: */ - { - int i; + /* from options.c: */ + { + int i; - for (i = 0; i < NOPTS; i++) - optent_val(i) = 0; - optschanged(); + for (i = 0; i < NOPTS; i++) + optent_val(i) = 0; + optschanged(); - } + } - /* from redir.c: */ - { - clearredir(); - } + /* from redir.c: */ + { + clearredir(); + } - /* from trap.c: */ - { - char *sm; + /* from trap.c: */ + { + char *sm; - clear_traps(); - for (sm = sigmode ; sm < sigmode + NSIG - 1; sm++) { - if (*sm == S_IGN) - *sm = S_HARD_IGN; - } - } + clear_traps(); + for (sm = sigmode; sm < sigmode + NSIG - 1; sm++) { + if (*sm == S_IGN) + *sm = S_HARD_IGN; + } + } - /* from var.c: */ - { - shprocvar(); - } + /* from var.c: */ + { + shprocvar(); + } } static int preadbuffer(void); -static void pushfile (void); +static void pushfile(void); /* * Read a character from the script, returning PEOF on end of file. @@ -3197,20 +3201,17 @@ static void pushfile (void); #ifndef CONFIG_ASH_OPTIMIZE_FOR_SIZE #define pgetc_macro() (--parsenleft >= 0? *parsenextc++ : preadbuffer()) -static int -pgetc(void) +static int pgetc(void) { return pgetc_macro(); } #else -static int -pgetc_macro(void) +static int pgetc_macro(void) { - return --parsenleft >= 0? *parsenextc++ : preadbuffer(); + return --parsenleft >= 0 ? *parsenextc++ : preadbuffer(); } -static inline int -pgetc(void) +static inline int pgetc(void) { return pgetc_macro(); } @@ -3222,15 +3223,14 @@ pgetc(void) * PEOF may be pushed back. */ -static void pungetc(void) +static void pungetc(void) { parsenleft++; parsenextc--; } -static void -popfile(void) +static void popfile(void) { struct parsefile *pf = parsefile; @@ -3254,8 +3254,7 @@ popfile(void) * Return to top level. */ -static void -popallfiles(void) +static void popallfiles(void) { while (parsefile != &basepf) popfile(); @@ -3266,7 +3265,7 @@ popallfiles(void) * after a fork is done. */ -static void closescript(void) +static void closescript(void) { popallfiles(); if (parsefile->fd > 0) { @@ -3305,8 +3304,7 @@ static void setinputfd(int fd, int push) * old input onto the stack first. */ -static void -setinputfile(const char *fname, int push) +static void setinputfile(const char *fname, int push) { int fd; int myfileno2; @@ -3326,24 +3324,24 @@ setinputfile(const char *fname, int push) } -static void -tryexec(char *cmd, char **argv, char **envp) +static void tryexec(char *cmd, char **argv, char **envp) { int e; #ifdef CONFIG_FEATURE_SH_STANDALONE_SHELL char *name = cmd; - char** argv_l=argv; + char **argv_l = argv; int argc_l; + #ifdef CONFIG_FEATURE_SH_APPLETS_ALWAYS_WIN name = get_last_path_component(name); #endif - argv_l=envp; - for(argc_l=0;*argv_l!=NULL; argv_l++, argc_l++) + argv_l = envp; + for (argc_l = 0; *argv_l != NULL; argv_l++, argc_l++) putenv(*argv_l); - argv_l=argv; - for(argc_l=0;*argv_l!=NULL; argv_l++, argc_l++) - optind = 1; + argv_l = argv; + for (argc_l = 0; *argv_l != NULL; argv_l++, argc_l++) + optind = 1; run_applet_by_name(name, argc_l, argv); #endif execve(cmd, argv, envp); @@ -3359,7 +3357,7 @@ tryexec(char *cmd, char **argv, char **envp) errno = e; } -static char *commandtext (const union node *); +static char *commandtext(const union node *); /* * Do a path search. The variable path (passed by reference) should be @@ -3376,8 +3374,7 @@ static const char *pathopt; static void growstackblock(void); -static char * -padvance(const char **path, const char *name) +static char *padvance(const char **path, const char *name) { const char *p; char *q; @@ -3387,8 +3384,8 @@ padvance(const char **path, const char *name) if (*path == NULL) return NULL; start = *path; - for (p = start ; *p && *p != ':' && *p != '%' ; p++); - len = p - start + strlen(name) + 2; /* "2" is for '/' and '\0' */ + for (p = start; *p && *p != ':' && *p != '%'; p++); + len = p - start + strlen(name) + 2; /* "2" is for '/' and '\0' */ while (stackblocksize() < len) growstackblock(); q = stackblock(); @@ -3401,7 +3398,8 @@ padvance(const char **path, const char *name) pathopt = NULL; if (*p == '%') { pathopt = ++p; - while (*p && *p != ':') p++; + while (*p && *p != ':') + p++; } if (*p == ':') *path = p + 1; @@ -3413,8 +3411,7 @@ padvance(const char **path, const char *name) /* * Wrapper around strcmp for qsort/bsearch/... */ -static int -pstrcmp(const void *a, const void *b) +static int pstrcmp(const void *a, const void *b) { return strcmp((const char *) a, (*(const char *const *) b) + 1); } @@ -3423,20 +3420,18 @@ pstrcmp(const void *a, const void *b) * Find a keyword is in a sorted array. */ -static const char *const * -findkwd(const char *s) +static const char *const *findkwd(const char *s) { - return bsearch(s, tokname_array + KWDOFFSET, - (sizeof(tokname_array)/sizeof(const char *)) - KWDOFFSET, - sizeof(const char *), pstrcmp); + return bsearch(s, tokname_array + KWDOFFSET, + (sizeof(tokname_array) / sizeof(const char *)) - KWDOFFSET, + sizeof(const char *), pstrcmp); } /*** Command hashing code ***/ -static int -hashcmd(int argc, char **argv) +static int hashcmd(int argc, char **argv) { struct tblentry **pp; struct tblentry *cmdp; @@ -3444,6 +3439,7 @@ hashcmd(int argc, char **argv) int verbose; struct cmdentry entry; char *name; + #ifdef CONFIG_ASH_ALIAS const struct alias *ap; #endif @@ -3458,8 +3454,8 @@ hashcmd(int argc, char **argv) } } if (*argptr == NULL) { - for (pp = cmdtable ; pp < &cmdtable[CMDTABLESIZE] ; pp++) { - for (cmdp = *pp ; cmdp ; cmdp = cmdp->next) { + for (pp = cmdtable; pp < &cmdtable[CMDTABLESIZE]; pp++) { + for (cmdp = *pp; cmdp; cmdp = cmdp->next) { if (cmdp->cmdtype != CMDBUILTIN) { printentry(cmdp, verbose); } @@ -3470,22 +3466,22 @@ hashcmd(int argc, char **argv) c = 0; while ((name = *argptr++) != NULL) { if ((cmdp = cmdlookup(name, 0)) != NULL - && (cmdp->cmdtype == CMDNORMAL - || (cmdp->cmdtype == CMDBUILTIN && builtinloc >= 0))) + && (cmdp->cmdtype == CMDNORMAL + || (cmdp->cmdtype == CMDBUILTIN && builtinloc >= 0))) delete_cmd_entry(); #ifdef CONFIG_ASH_ALIAS - /* Then look at the aliases */ + /* Then look at the aliases */ if ((ap = *__lookupalias(name)) != NULL) { - if (verbose=='v') + if (verbose == 'v') printf("%s is an alias for %s\n", name, ap->val); else printalias(ap); continue; } #endif - /* First look at the keywords */ - if (findkwd(name)!=0) { - if (verbose=='v') + /* First look at the keywords */ + if (findkwd(name) != 0) { + if (verbose == 'v') printf("%s is a shell keyword\n", name); else puts(name); @@ -3493,18 +3489,19 @@ hashcmd(int argc, char **argv) } find_command(name, &entry, DO_ERR, pathval()); - if (entry.cmdtype == CMDUNKNOWN) c = 1; + if (entry.cmdtype == CMDUNKNOWN) + c = 1; else if (verbose) { cmdp = cmdlookup(name, 0); - if (cmdp) printentry(cmdp, verbose=='v'); + if (cmdp) + printentry(cmdp, verbose == 'v'); flushall(); } } return c; } -static void -printentry(struct tblentry *cmdp, int verbose) +static void printentry(struct tblentry *cmdp, int verbose) { int idx; const char *path; @@ -3518,10 +3515,10 @@ printentry(struct tblentry *cmdp, int verbose) name = padvance(&path, cmdp->cmdname); stunalloc(name); } while (--idx >= 0); - if(verbose) + if (verbose) out1str(name); } else if (cmdp->cmdtype == CMDBUILTIN) { - if(verbose) + if (verbose) out1str("a shell builtin"); } else if (cmdp->cmdtype == CMDFUNCTION) { if (verbose) { @@ -3545,14 +3542,14 @@ printentry(struct tblentry *cmdp, int verbose) /*** List the available builtins ***/ -static int helpcmd(int argc, char** argv) +static int helpcmd(int argc, char **argv) { int col, i; printf("\nBuilt-in commands:\n-------------------\n"); - for (col=0, i=0; i < NUMBUILTINS; i++) { + for (col = 0, i = 0; i < NUMBUILTINS; i++) { col += printf("%c%s", ((col == 0) ? '\t' : ' '), - builtincmds[i].name+1); + builtincmds[i].name + 1); if (col > 60) { printf("\n"); col = 0; @@ -3563,10 +3560,9 @@ static int helpcmd(int argc, char** argv) extern const struct BB_applet applets[]; extern const size_t NUM_APPLETS; - for (i=0; i < NUM_APPLETS; i++) { + for (i = 0; i < NUM_APPLETS; i++) { - col += printf("%c%s", ((col == 0) ? '\t' : ' '), - applets[i].name); + col += printf("%c%s", ((col == 0) ? '\t' : ' '), applets[i].name); if (col > 60) { printf("\n"); col = 0; @@ -3583,10 +3579,11 @@ static int helpcmd(int argc, char** argv) * change the shellexec routine as well. */ -static int prefix (const char *, const char *); +static int prefix(const char *, const char *); static void -find_command(const char *name, struct cmdentry *entry, int act, const char *path) +find_command(const char *name, struct cmdentry *entry, int act, + const char *path) { struct tblentry *cmdp; int idx; @@ -3637,10 +3634,10 @@ find_command(const char *name, struct cmdentry *entry, int act, const char *path } } else if (act & DO_BRUTE) { if ((cmdp->cmdtype == CMDNORMAL && - cmdp->param.index >= firstchange) || - (cmdp->cmdtype == CMDBUILTIN && - ((builtinloc < 0 && bltin >= 0) ? - bltin : builtinloc) >= firstchange)) { + cmdp->param.index >= firstchange) || + (cmdp->cmdtype == CMDBUILTIN && + ((builtinloc < 0 && bltin >= 0) ? + bltin : builtinloc) >= firstchange)) { /* need to recompute the entry */ } else { goto success; @@ -3665,7 +3662,7 @@ find_command(const char *name, struct cmdentry *entry, int act, const char *path /* If %builtin not in path, check for builtin next */ if (regular || (bltin < 0 && bcmd)) { -builtin: + builtin: if (!updatetbl) { entry->cmdtype = CMDBUILTIN; entry->u.cmd = bcmd; @@ -3680,8 +3677,8 @@ builtin: } /* We have to search path. */ - prev = -1; /* where to start */ - if (cmdp && cmdp->rehash) { /* doing a rehash */ + prev = -1; /* where to start */ + if (cmdp && cmdp->rehash) { /* doing a rehash */ if (cmdp->cmdtype == CMDBUILTIN) prev = builtinloc; else @@ -3690,7 +3687,7 @@ builtin: e = ENOENT; idx = -1; -loop: + loop: while ((fullname = padvance(&path, name)) != NULL) { stunalloc(fullname); idx++; @@ -3703,16 +3700,14 @@ loop: goto builtin; } continue; - } else if (!(act & DO_NOFUN) && - prefix("func", pathopt)) { + } else if (!(act & DO_NOFUN) && prefix("func", pathopt)) { /* handled below */ } else { - continue; /* ignore unimplemented options */ + continue; /* ignore unimplemented options */ } } /* if rehash, don't redo absolute path names */ - if (fullname[0] == '/' && idx <= prev && - idx < firstchange) { + if (fullname[0] == '/' && idx <= prev && idx < firstchange) { if (idx < prev) continue; TRACE(("searchexec \"%s\": no change\n", name)); @@ -3723,13 +3718,14 @@ loop: e = errno; goto loop; } - e = EACCES; /* if we fail, this will be the error */ + e = EACCES; /* if we fail, this will be the error */ if (!S_ISREG(statb.st_mode)) continue; - if (pathopt) { /* this is a %func directory */ + if (pathopt) { /* this is a %func directory */ stalloc(strlen(fullname) + 1); readcmdfile(fullname); - if ((cmdp = cmdlookup(name, 0)) == NULL || cmdp->cmdtype != CMDFUNCTION) + if ((cmdp = cmdlookup(name, 0)) == NULL + || cmdp->cmdtype != CMDFUNCTION) error("%s not defined in %s", name, fullname); stunalloc(fullname); goto success; @@ -3758,7 +3754,7 @@ loop: entry->cmdtype = CMDUNKNOWN; return; -success: + success: cmdp->rehash = 0; entry->cmdtype = cmdp->cmdtype; entry->u = cmdp->param; @@ -3770,20 +3766,17 @@ success: * Search the table of builtin commands. */ -static int -bstrcmp(const void *name, const void *b) +static int bstrcmp(const void *name, const void *b) { - return strcmp((const char *)name, (*(const char *const *) b)+1); + return strcmp((const char *) name, (*(const char *const *) b) + 1); } -static struct builtincmd * -find_builtin(const char *name) +static struct builtincmd *find_builtin(const char *name) { struct builtincmd *bp; bp = bsearch(name, builtincmds, NUMBUILTINS, sizeof(struct builtincmd), - bstrcmp - ); + bstrcmp); return bp; } @@ -3793,16 +3786,15 @@ find_builtin(const char *name) * are executed they will be rehashed. */ -static inline void -hashcd(void) +static inline void hashcd(void) { struct tblentry **pp; struct tblentry *cmdp; - for (pp = cmdtable ; pp < &cmdtable[CMDTABLESIZE] ; pp++) { - for (cmdp = *pp ; cmdp ; cmdp = cmdp->next) { + for (pp = cmdtable; pp < &cmdtable[CMDTABLESIZE]; pp++) { + for (cmdp = *pp; cmdp; cmdp = cmdp->next) { if (cmdp->cmdtype == CMDNORMAL - || (cmdp->cmdtype == CMDBUILTIN && builtinloc >= 0)) + || (cmdp->cmdtype == CMDBUILTIN && builtinloc >= 0)) cmdp->rehash = 1; } } @@ -3816,15 +3808,14 @@ hashcd(void) * interrupts off. */ -static void -changepath(const char *newval) +static void changepath(const char *newval) { int firstchange; int bltin; firstchange = path_change(newval, &bltin); if (builtinloc < 0 && bltin >= 0) - builtinloc = bltin; /* zap builtins */ + builtinloc = bltin; /* zap builtins */ clearcmdentry(firstchange); builtinloc = bltin; /* Ensure that getenv("PATH") stays current */ @@ -3837,21 +3828,19 @@ changepath(const char *newval) * PATH which has changed. */ -static void -clearcmdentry(int firstchange) +static void clearcmdentry(int firstchange) { struct tblentry **tblp; struct tblentry **pp; struct tblentry *cmdp; INTOFF; - for (tblp = cmdtable ; tblp < &cmdtable[CMDTABLESIZE] ; tblp++) { + for (tblp = cmdtable; tblp < &cmdtable[CMDTABLESIZE]; tblp++) { pp = tblp; while ((cmdp = *pp) != NULL) { if ((cmdp->cmdtype == CMDNORMAL && - cmdp->param.index >= firstchange) - || (cmdp->cmdtype == CMDBUILTIN && - builtinloc >= firstchange)) { + cmdp->param.index >= firstchange) + || (cmdp->cmdtype == CMDBUILTIN && builtinloc >= firstchange)) { *pp = cmdp->next; free(cmdp); } else { @@ -3867,15 +3856,14 @@ clearcmdentry(int firstchange) * Delete all functions. */ -static void -deletefuncs(void) +static void deletefuncs(void) { struct tblentry **tblp; struct tblentry **pp; struct tblentry *cmdp; INTOFF; - for (tblp = cmdtable ; tblp < &cmdtable[CMDTABLESIZE] ; tblp++) { + for (tblp = cmdtable; tblp < &cmdtable[CMDTABLESIZE]; tblp++) { pp = tblp; while ((cmdp = *pp) != NULL) { if (cmdp->cmdtype == CMDFUNCTION) { @@ -3902,8 +3890,7 @@ deletefuncs(void) static struct tblentry **lastcmdentry; -static struct tblentry * -cmdlookup(const char *name, int add) +static struct tblentry *cmdlookup(const char *name, int add) { int hashval; const char *p; @@ -3916,15 +3903,15 @@ cmdlookup(const char *name, int add) hashval += *p++; hashval &= 0x7FFF; pp = &cmdtable[hashval % CMDTABLESIZE]; - for (cmdp = *pp ; cmdp ; cmdp = cmdp->next) { + for (cmdp = *pp; cmdp; cmdp = cmdp->next) { if (equal(cmdp->cmdname, name)) break; pp = &cmdp->next; } if (add && cmdp == NULL) { INTOFF; - cmdp = *pp = xmalloc(sizeof (struct tblentry) - ARB - + strlen(name) + 1); + cmdp = *pp = xmalloc(sizeof(struct tblentry) - ARB + + strlen(name) + 1); cmdp->next = NULL; cmdp->cmdtype = CMDUNKNOWN; cmdp->rehash = 0; @@ -3939,8 +3926,7 @@ cmdlookup(const char *name, int add) * Delete the command entry returned on the last lookup. */ -static void -delete_cmd_entry() +static void delete_cmd_entry() { struct tblentry *cmdp; @@ -3956,32 +3942,32 @@ delete_cmd_entry() static const unsigned char nodesize[26] = { - ALIGN(sizeof (struct nbinary)), - ALIGN(sizeof (struct ncmd)), - ALIGN(sizeof (struct npipe)), - ALIGN(sizeof (struct nredir)), - ALIGN(sizeof (struct nredir)), - ALIGN(sizeof (struct nredir)), - ALIGN(sizeof (struct nbinary)), - ALIGN(sizeof (struct nbinary)), - ALIGN(sizeof (struct nif)), - ALIGN(sizeof (struct nbinary)), - ALIGN(sizeof (struct nbinary)), - ALIGN(sizeof (struct nfor)), - ALIGN(sizeof (struct ncase)), - ALIGN(sizeof (struct nclist)), - ALIGN(sizeof (struct narg)), - ALIGN(sizeof (struct narg)), - ALIGN(sizeof (struct nfile)), - ALIGN(sizeof (struct nfile)), - ALIGN(sizeof (struct nfile)), - ALIGN(sizeof (struct nfile)), - ALIGN(sizeof (struct nfile)), - ALIGN(sizeof (struct ndup)), - ALIGN(sizeof (struct ndup)), - ALIGN(sizeof (struct nhere)), - ALIGN(sizeof (struct nhere)), - ALIGN(sizeof (struct nnot)), + ALIGN(sizeof(struct nbinary)), + ALIGN(sizeof(struct ncmd)), + ALIGN(sizeof(struct npipe)), + ALIGN(sizeof(struct nredir)), + ALIGN(sizeof(struct nredir)), + ALIGN(sizeof(struct nredir)), + ALIGN(sizeof(struct nbinary)), + ALIGN(sizeof(struct nbinary)), + ALIGN(sizeof(struct nif)), + ALIGN(sizeof(struct nbinary)), + ALIGN(sizeof(struct nbinary)), + ALIGN(sizeof(struct nfor)), + ALIGN(sizeof(struct ncase)), + ALIGN(sizeof(struct nclist)), + ALIGN(sizeof(struct narg)), + ALIGN(sizeof(struct narg)), + ALIGN(sizeof(struct nfile)), + ALIGN(sizeof(struct nfile)), + ALIGN(sizeof(struct nfile)), + ALIGN(sizeof(struct nfile)), + ALIGN(sizeof(struct nfile)), + ALIGN(sizeof(struct ndup)), + ALIGN(sizeof(struct ndup)), + ALIGN(sizeof(struct nhere)), + ALIGN(sizeof(struct nhere)), + ALIGN(sizeof(struct nnot)), }; @@ -3990,8 +3976,7 @@ static const unsigned char nodesize[26] = { * Delete a function if it exists. */ -static void -unsetfunc(char *name) +static void unsetfunc(char *name) { struct tblentry *cmdp; @@ -4006,8 +3991,7 @@ unsetfunc(char *name) * Locate and print what a word is... */ -static int -typecmd(int argc, char **argv) +static int typecmd(int argc, char **argv) { int i; int err = 0; @@ -4025,8 +4009,7 @@ typecmd(int argc, char **argv) } #ifdef CONFIG_ASH_CMDCMD -static int -commandcmd(int argc, char **argv) +static int commandcmd(int argc, char **argv) { int c; int default_path = 0; @@ -4046,12 +4029,10 @@ commandcmd(int argc, char **argv) break; } - if (default_path + verify_only + verbose_verify_only > 1 || - !*argptr) { - out2str( - "command [-p] command [arg ...]\n" + if (default_path + verify_only + verbose_verify_only > 1 || !*argptr) { + out2str("command [-p] command [arg ...]\n" "command {-v|-V} command\n"); - return EX_USAGE; + return EX_USAGE; } if (verify_only || verbose_verify_only) { @@ -4060,7 +4041,7 @@ commandcmd(int argc, char **argv) argv_a[1] = 0; argv_a[0] = *argptr; argptr = argv_a; - optptr = verbose_verify_only ? "v" : "V"; /* reverse special */ + optptr = verbose_verify_only ? "v" : "V"; /* reverse special */ return hashcmd(argc, argv); } @@ -4068,8 +4049,7 @@ commandcmd(int argc, char **argv) } #endif -static int -path_change(const char *newval, int *bltin) +static int path_change(const char *newval, int *bltin) { const char *old, *new; int idx; @@ -4077,16 +4057,16 @@ path_change(const char *newval, int *bltin) old = pathval(); new = newval; - firstchange = 9999; /* assume no change */ + firstchange = 9999; /* assume no change */ idx = 0; *bltin = -1; for (;;) { if (*old != *new) { firstchange = idx; if ((*old == '\0' && *new == ':') - || (*old == ':' && *new == '\0')) + || (*old == ':' && *new == '\0')) firstchange++; - old = new; /* ignore subsequent differences */ + old = new; /* ignore subsequent differences */ } if (*new == '\0') break; @@ -4101,6 +4081,7 @@ path_change(const char *newval, int *bltin) firstchange = 0; return firstchange; } + /* * Routines to expand arguments to commands. We have to deal with * backquotes, shell variables, and file metacharacters. @@ -4108,8 +4089,8 @@ path_change(const char *newval, int *bltin) /* * _rmescape() flags */ -#define RMESCAPE_ALLOC 0x1 /* Allocate a new string */ -#define RMESCAPE_GLOB 0x2 /* Add backslashes for glob */ +#define RMESCAPE_ALLOC 0x1 /* Allocate a new string */ +#define RMESCAPE_GLOB 0x2 /* Add backslashes for glob */ /* * Structure specifying which parts of the string should be searched @@ -4117,63 +4098,65 @@ path_change(const char *newval, int *bltin) */ struct ifsregion { - struct ifsregion *next; /* next region in list */ - int begoff; /* offset of start of region */ - int endoff; /* offset of end of region */ - int nulonly; /* search for nul bytes only */ + struct ifsregion *next; /* next region in list */ + int begoff; /* offset of start of region */ + int endoff; /* offset of end of region */ + int nulonly; /* search for nul bytes only */ }; -static char *expdest; /* output of current string */ -static struct nodelist *argbackq; /* list of back quote expressions */ -static struct ifsregion ifsfirst; /* first struct in list of ifs regions */ -static struct ifsregion *ifslastp; /* last struct in list */ -static struct arglist exparg; /* holds expanded arg list */ - -static void argstr (char *, int); -static char *exptilde (char *, int); -static void expbackq (union node *, int, int); -static int subevalvar (char *, char *, int, int, int, int, int); -static int varisset (char *, int); -static void strtodest (const char *, int, int); -static inline void varvalue (char *, int, int); -static void recordregion (int, int, int); -static void removerecordregions (int); -static void ifsbreakup (char *, struct arglist *); -static void ifsfree (void); -static void expandmeta (struct strlist *, int); +static char *expdest; /* output of current string */ +static struct nodelist *argbackq; /* list of back quote expressions */ +static struct ifsregion ifsfirst; /* first struct in list of ifs regions */ +static struct ifsregion *ifslastp; /* last struct in list */ +static struct arglist exparg; /* holds expanded arg list */ + +static void argstr(char *, int); +static char *exptilde(char *, int); +static void expbackq(union node *, int, int); +static int subevalvar(char *, char *, int, int, int, int, int); +static int varisset(char *, int); +static void strtodest(const char *, int, int); +static inline void varvalue(char *, int, int); +static void recordregion(int, int, int); +static void removerecordregions(int); +static void ifsbreakup(char *, struct arglist *); +static void ifsfree(void); +static void expandmeta(struct strlist *, int); + #if defined(__GLIBC__) && __GLIBC__ >= 2 && !defined(FNMATCH_BROKEN) #define preglob(p) _rmescapes((p), RMESCAPE_ALLOC | RMESCAPE_GLOB) #if !defined(GLOB_BROKEN) -static inline void addglob (const glob_t *); +static inline void addglob(const glob_t *); #endif #endif #if !(defined(__GLIBC__) && __GLIBC__ >= 2 && !defined(FNMATCH_BROKEN) && !defined(GLOB_BROKEN)) -static void expmeta (char *, char *); +static void expmeta(char *, char *); #endif #if !(defined(__GLIBC__) && __GLIBC__ >= 2 && !defined(FNMATCH_BROKEN) && !defined(GLOB_BROKEN)) -static struct strlist *expsort (struct strlist *); -static struct strlist *msort (struct strlist *, int); +static struct strlist *expsort(struct strlist *); +static struct strlist *msort(struct strlist *, int); #endif -static int patmatch (char *, char *, int); +static int patmatch(char *, char *, int); + #if defined(__GLIBC__) && __GLIBC__ >= 2 && !defined(FNMATCH_BROKEN) -static int patmatch2 (char *, char *, int); +static int patmatch2(char *, char *, int); #else -static int pmatch (char *, char *, int); +static int pmatch(char *, char *, int); + #define patmatch2 patmatch #endif -static char *cvtnum (int, char *); +static char *cvtnum(int, char *); /* * Expand shell variables and backquotes inside a here document. */ /* arg: the document, fd: where to write the expanded version */ -static inline void -expandhere(union node *arg, int fd) +static inline void expandhere(union node *arg, int fd) { herefd = fd; - expandarg(arg, (struct arglist *)NULL, 0); + expandarg(arg, (struct arglist *) NULL, 0); xwrite(fd, stackblock(), expdest - stackblock()); } @@ -4185,8 +4168,7 @@ expandhere(union node *arg, int fd) * here document expansion. */ -static void -expandarg(union node *arg, struct arglist *arglist, int flag) +static void expandarg(union node *arg, struct arglist *arglist, int flag) { struct strlist *sp; char *p; @@ -4197,7 +4179,7 @@ expandarg(union node *arg, struct arglist *arglist, int flag) ifslastp = NULL; argstr(arg->narg.text, flag); if (arglist == NULL) { - return; /* here document expanded */ + return; /* here document expanded */ } STPUTC('\0', expdest); p = grabstackstr(expdest); @@ -4211,9 +4193,9 @@ expandarg(union node *arg, struct arglist *arglist, int flag) exparg.lastp = &exparg.list; expandmeta(exparg.list, flag); } else { - if (flag & EXP_REDIR) /*XXX - for now, just remove escapes */ + if (flag & EXP_REDIR) /*XXX - for now, just remove escapes */ rmescapes(p); - sp = (struct strlist *)stalloc(sizeof (struct strlist)); + sp = (struct strlist *) stalloc(sizeof(struct strlist)); sp->text = p; *exparg.lastp = sp; exparg.lastp = &sp->next; @@ -4232,7 +4214,7 @@ expandarg(union node *arg, struct arglist *arglist, int flag) * input string. */ -static inline char * evalvar(char *p, int flag) +static inline char *evalvar(char *p, int flag) { int subtype; int varflags; @@ -4251,10 +4233,10 @@ static inline char * evalvar(char *p, int flag) subtype = varflags & VSTYPE; var = p; special = 0; - if (! is_name(*p)) + if (!is_name(*p)) special = 1; p = strchr(p, '=') + 1; -again: /* jump here after setting a variable with ${var=text} */ + again: /* jump here after setting a variable with ${var=text} */ if (special) { set = varisset(var, varflags & VSNUL); val = NULL; @@ -4280,21 +4262,17 @@ again: /* jump here after setting a variable with ${var=text} */ if (subtype == VSLENGTH) { varlen = strlen(val); } else { - strtodest( - val, - varflags & VSQUOTE ? - DQSYNTAX : BASESYNTAX, - quotes - ); + strtodest(val, + varflags & VSQUOTE ? DQSYNTAX : BASESYNTAX, quotes); } } } if (subtype == VSPLUS) - set = ! set; + set = !set; easy = ((varflags & VSQUOTE) == 0 || - (*var == '@' && shellparam.nparam != 1)); + (*var == '@' && shellparam.nparam != 1)); switch (subtype) { @@ -4305,9 +4283,8 @@ again: /* jump here after setting a variable with ${var=text} */ case VSNORMAL: if (!easy) break; -record: - recordregion(startloc, expdest - stackblock(), - varflags & VSQUOTE); + record: + recordregion(startloc, expdest - stackblock(), varflags & VSQUOTE); break; case VSPLUS: @@ -4333,8 +4310,9 @@ record: STPUTC('\0', expdest); patloc = expdest - stackblock(); if (subevalvar(p, NULL, patloc, subtype, - startloc, varflags, quotes) == 0) { + startloc, varflags, quotes) == 0) { int amount = (expdest - stackblock() - patloc) + 1; + STADJUST(-amount, expdest); } /* Remove any recorded regions beyond start of variable */ @@ -4344,8 +4322,7 @@ record: case VSASSIGN: case VSQUESTION: if (!set) { - if (subevalvar(p, var, 0, subtype, startloc, - varflags, quotes)) { + if (subevalvar(p, var, 0, subtype, startloc, varflags, quotes)) { varflags &= ~VSNUL; /* * Remove any recorded regions beyond @@ -4366,12 +4343,13 @@ record: #endif } - if (subtype != VSNORMAL) { /* skip to end of alternative */ + if (subtype != VSNORMAL) { /* skip to end of alternative */ int nesting = 1; + for (;;) { if ((c = *p++) == CTLESC) p++; - else if (c == CTLBACKQ || c == (CTLBACKQ|CTLQUOTE)) { + else if (c == CTLBACKQ || c == (CTLBACKQ | CTLQUOTE)) { if (set) argbackq = argbackq->next; } else if (c == CTLVAR) { @@ -4393,11 +4371,10 @@ record: * $@ like $* since no splitting will be performed. */ -static void -argstr(char *p, int flag) +static void argstr(char *p, int flag) { char c; - int quotes = flag & (EXP_FULL | EXP_CASE); /* do CTLESC */ + int quotes = flag & (EXP_FULL | EXP_CASE); /* do CTLESC */ int firsteq = 1; if (*p == '~' && (flag & (EXP_TILDE | EXP_VARTILDE))) @@ -4405,7 +4382,7 @@ argstr(char *p, int flag) for (;;) { switch (c = *p++) { case '\0': - case CTLENDVAR: /* ??? */ + case CTLENDVAR: /* ??? */ return; case CTLQUOTEMARK: /* "$@" syntax adherence hack */ @@ -4424,7 +4401,7 @@ argstr(char *p, int flag) p = evalvar(p, flag); break; case CTLBACKQ: - case CTLBACKQ|CTLQUOTE: + case CTLBACKQ | CTLQUOTE: expbackq(argbackq->n, c & CTLQUOTE, flag); argbackq = argbackq->next; break; @@ -4457,8 +4434,7 @@ argstr(char *p, int flag) return; } -static char * -exptilde(char *p, int flag) +static char *exptilde(char *p, int flag) { char c, *startp = p; struct passwd *pw; @@ -4466,7 +4442,7 @@ exptilde(char *p, int flag) int quotes = flag & (EXP_FULL | EXP_CASE); while ((c = *p) != '\0') { - switch(c) { + switch (c) { case CTLESC: return (startp); case CTLQUOTEMARK: @@ -4480,13 +4456,13 @@ exptilde(char *p, int flag) } p++; } -done: + done: *p = '\0'; - if (*(startp+1) == '\0') { + if (*(startp + 1) == '\0') { if ((home = lookupvar("HOME")) == NULL) goto lose; } else { - if ((pw = getpwnam(startp+1)) == NULL) + if ((pw = getpwnam(startp + 1)) == NULL) goto lose; home = pw->pw_dir; } @@ -4495,14 +4471,13 @@ done: *p = c; strtodest(home, SQSYNTAX, quotes); return (p); -lose: + lose: *p = c; return (startp); } -static void -removerecordregions(int endoff) +static void removerecordregions(int endoff) { if (ifslastp == NULL) return; @@ -4510,6 +4485,7 @@ removerecordregions(int endoff) if (ifsfirst.endoff > endoff) { while (ifsfirst.next != NULL) { struct ifsregion *ifsp; + INTOFF; ifsp = ifsfirst.next->next; free(ifsfirst.next); @@ -4527,9 +4503,10 @@ removerecordregions(int endoff) ifslastp = &ifsfirst; while (ifslastp->next && ifslastp->next->begoff < endoff) - ifslastp=ifslastp->next; + ifslastp = ifslastp->next; while (ifslastp->next != NULL) { struct ifsregion *ifsp; + INTOFF; ifsp = ifslastp->next->next; free(ifslastp->next); @@ -4546,8 +4523,7 @@ removerecordregions(int endoff) * Expand arithmetic expression. Backup to start of expression, * evaluate, place result in (backed up) result, adjust string position. */ -static void -expari(int flag) +static void expari(int flag) { char *p, *start; int errcode; @@ -4576,30 +4552,29 @@ expari(int flag) --p; if (*p != CTLARI) error("missing CTLARI (shouldn't happen)"); - if (p > start && *(p-1) == CTLESC) + if (p > start && *(p - 1) == CTLESC) for (p = start; *p != CTLARI; p++) if (*p == CTLESC) p++; if (p[1] == '"') - quoted=1; + quoted = 1; else - quoted=0; + quoted = 0; begoff = p - start; removerecordregions(begoff); if (quotes) - rmescapes(p+2); - result = arith(p+2, &errcode); + rmescapes(p + 2); + result = arith(p + 2, &errcode); if (errcode < 0) { - if(errcode == -2) + if (errcode == -2) error("divide by zero"); else - error("syntax error: \"%s\"\n", p+2); + error("syntax error: \"%s\"\n", p + 2); } snprintf(p, 12, "%d", result); - while (*p++) - ; + while (*p++); if (quoted == 0) recordregion(begoff, p - 1 - start, 0); @@ -4612,8 +4587,7 @@ expari(int flag) * Expand stuff in backwards quotes. */ -static void -expbackq(union node *cmd, int quoted, int flag) +static void expbackq(union node *cmd, int quoted, int flag) { volatile struct backcmd in; int i; @@ -4657,7 +4631,7 @@ expbackq(union node *cmd, int quoted, int flag) p = grabstackstr(dest); evalbackcmd(cmd, (struct backcmd *) &in); ungrabstackstr(p, dest); -err1: + err1: INTOFF; ifsfirst = saveifs; ifslastp = savelastp; @@ -4692,7 +4666,7 @@ err1: for (; dest > stackblock() && dest[-1] == '\n';) STUNPUTC(dest); -err2: + err2: if (in.fd >= 0) close(in.fd); free(in.buf); @@ -4705,15 +4679,15 @@ err2: if (quoted == 0) recordregion(startloc, dest - stackblock(), 0); TRACE(("evalbackq: size=%d: \"%.*s\"\n", - (dest - stackblock()) - startloc, - (dest - stackblock()) - startloc, - stackblock() + startloc)); + (dest - stackblock()) - startloc, + (dest - stackblock()) - startloc, stackblock() + startloc)); expdest = dest; INTON; } static int -subevalvar(char *p, char *str, int strloc, int subtype, int startloc, int varflags, int quotes) +subevalvar(char *p, char *str, int strloc, int subtype, int startloc, + int varflags, int quotes) { char *startp; char *loc = NULL; @@ -4730,7 +4704,7 @@ subevalvar(char *p, char *str, int strloc, int subtype, int startloc, int varfla argbackq = saveargbackq; startp = stackblock() + startloc; if (str == NULL) - str = stackblock() + strloc; + str = stackblock() + strloc; switch (subtype) { case VSASSIGN: @@ -4745,11 +4719,10 @@ subevalvar(char *p, char *str, int strloc, int subtype, int startloc, int varfla case VSQUESTION: if (*p != CTLENDVAR) { out2fmt(snlfmt, startp); - error((char *)NULL); + error((char *) NULL); } error("%.*s: parameter %snot set", p - str - 1, - str, (varflags & VSNUL) ? "null or " - : nullstr); + str, (varflags & VSNUL) ? "null or " : nullstr); /* NOTREACHED */ case VSTRIMLEFT: @@ -4812,7 +4785,7 @@ subevalvar(char *p, char *str, int strloc, int subtype, int startloc, int varfla #endif } -recordleft: + recordleft: *loc = c; amount = ((str - 1) - (loc - startp)) - expdest; STADJUST(amount, expdest); @@ -4820,7 +4793,7 @@ recordleft: *startp++ = *loc++; return 1; -recordright: + recordright: amount = loc - expdest; STADJUST(amount, expdest); STPUTC('\0', expdest); @@ -4833,8 +4806,7 @@ recordright: * Test whether a specialized variable is set. */ -static int -varisset(char *name, int nulok) +static int varisset(char *name, int nulok) { if (*name == '!') return backgndpid != -1; @@ -4872,11 +4844,10 @@ varisset(char *name, int nulok) * Put a string on the stack. */ -static void -strtodest(const char *p, int syntax, int quotes) +static void strtodest(const char *p, int syntax, int quotes) { while (*p) { - if (quotes && SIT(*p,syntax) == CCTL) + if (quotes && SIT(*p, syntax) == CCTL) STPUTC(CTLESC, expdest); STPUTC(*p++, expdest); } @@ -4886,8 +4857,7 @@ strtodest(const char *p, int syntax, int quotes) * Add the value of a specialized variable to the stack string. */ -static inline void -varvalue(char *name, int quoted, int flags) +static inline void varvalue(char *name, int quoted, int flags) { int num; char *p; @@ -4912,11 +4882,11 @@ varvalue(char *name, int quoted, int flags) goto numvar; case '!': num = backgndpid; -numvar: + numvar: expdest = cvtnum(num, expdest); break; case '-': - for (i = 0 ; i < NOPTS ; i++) { + for (i = 0; i < NOPTS; i++) { if (optent_val(i)) STPUTC(optent_letter(optlist[i]), expdest); } @@ -4928,12 +4898,12 @@ numvar: } /* fall through */ case '*': - sep = ifsset() ? ifsval()[0] : ' '; + sep = ifsset()? ifsval()[0] : ' '; if (quotes) { - sepq = SIT(sep,syntax) == CCTL; + sepq = SIT(sep, syntax) == CCTL; } -param: - for (ap = shellparam.p ; (p = *ap++) != NULL ; ) { + param: + for (ap = shellparam.p; (p = *ap++) != NULL;) { strtodest(p, syntax, quotes); if (*ap && sep) { if (sepq) @@ -4960,8 +4930,7 @@ param: * string for IFS characters. */ -static void -recordregion(int start, int end, int nulonly) +static void recordregion(int start, int end, int nulonly) { struct ifsregion *ifsp; @@ -4969,7 +4938,7 @@ recordregion(int start, int end, int nulonly) ifsp = &ifsfirst; } else { INTOFF; - ifsp = (struct ifsregion *)xmalloc(sizeof (struct ifsregion)); + ifsp = (struct ifsregion *) xmalloc(sizeof(struct ifsregion)); ifsp->next = NULL; ifslastp->next = ifsp; INTON; @@ -4987,8 +4956,7 @@ recordregion(int start, int end, int nulonly) * strings to the argument list. The regions of the string to be * searched for IFS characters have been stored by recordregion. */ -static void -ifsbreakup(char *string, struct arglist *arglist) +static void ifsbreakup(char *string, struct arglist *arglist) { struct ifsregion *ifsp; struct strlist *sp; @@ -5003,7 +4971,7 @@ ifsbreakup(char *string, struct arglist *arglist) start = string; ifsspc = 0; nulonly = 0; - realifs = ifsset() ? ifsval() : defifs; + realifs = ifsset()? ifsval() : defifs; if (ifslastp != NULL) { ifsp = &ifsfirst; do { @@ -5025,7 +4993,7 @@ ifsbreakup(char *string, struct arglist *arglist) continue; } *q = '\0'; - sp = (struct strlist *)stalloc(sizeof *sp); + sp = (struct strlist *) stalloc(sizeof *sp); sp->text = start; *arglist->lastp = sp; arglist->lastp = &sp->next; @@ -5038,7 +5006,7 @@ ifsbreakup(char *string, struct arglist *arglist) q = p; if (*p == CTLESC) p++; - if (strchr(ifs, *p) == NULL ) { + if (strchr(ifs, *p) == NULL) { p = q; break; } else if (strchr(defifs, *p) == NULL) { @@ -5063,17 +5031,17 @@ ifsbreakup(char *string, struct arglist *arglist) } } - sp = (struct strlist *)stalloc(sizeof *sp); + sp = (struct strlist *) stalloc(sizeof *sp); sp->text = start; *arglist->lastp = sp; arglist->lastp = &sp->next; } -static void -ifsfree(void) +static void ifsfree(void) { while (ifsfirst.next != NULL) { struct ifsregion *ifsp; + INTOFF; ifsp = ifsfirst.next->next; free(ifsfirst.next); @@ -5088,12 +5056,11 @@ ifsfree(void) * Add a file name to the list. */ -static void -addfname(const char *name) +static void addfname(const char *name) { struct strlist *sp; - sp = (struct strlist *)stalloc(sizeof *sp); + sp = (struct strlist *) stalloc(sizeof *sp); sp->text = sstrdup(name); *exparg.lastp = sp; exparg.lastp = &sp->next; @@ -5105,11 +5072,11 @@ addfname(const char *name) */ #if defined(__GLIBC__) && __GLIBC__ >= 2 && !defined(FNMATCH_BROKEN) && !defined(GLOB_BROKEN) -static void -expandmeta(struct strlist *str, int flag) +static void expandmeta(struct strlist *str, int flag) { const char *p; glob_t pglob; + /* TODO - EXP_REDIR */ while (str) { @@ -5119,22 +5086,22 @@ expandmeta(struct strlist *str, int flag) INTOFF; switch (glob(p, 0, 0, &pglob)) { case 0: - if(pglob.gl_pathv[1]==0 && !strcmp(p, pglob.gl_pathv[0])) + if (pglob.gl_pathv[1] == 0 && !strcmp(p, pglob.gl_pathv[0])) goto nometa2; addglob(&pglob); globfree(&pglob); INTON; break; case GLOB_NOMATCH: -nometa2: + nometa2: globfree(&pglob); INTON; -nometa: + nometa: *exparg.lastp = str; rmescapes(str->text); exparg.lastp = &str->next; break; - default: /* GLOB_NOSPACE */ + default: /* GLOB_NOSPACE */ error("Out of space"); } str = str->next; @@ -5146,8 +5113,7 @@ nometa: * Add the result of glob(3) to the list. */ -static inline void -addglob(const glob_t *pglob) +static inline void addglob(const glob_t * pglob) { char **p = pglob->gl_pathv; @@ -5157,24 +5123,24 @@ addglob(const glob_t *pglob) } -#else /* defined(__GLIBC__) && !defined(FNMATCH_BROKEN) && !defined(GLOB_BROKEN) */ +#else /* defined(__GLIBC__) && !defined(FNMATCH_BROKEN) && !defined(GLOB_BROKEN) */ static char *expdir; -static void -expandmeta(struct strlist *str, int flag) +static void expandmeta(struct strlist *str, int flag) { char *p; struct strlist **savelastp; struct strlist *sp; char c; + /* TODO - EXP_REDIR */ while (str) { if (fflag) goto nometa; p = str->text; - for (;;) { /* fast check for meta chars */ + for (;;) { /* fast check for meta chars */ if ((c = *p++) == '\0') goto nometa; if (c == '*' || c == '?' || c == '[' || c == '!') @@ -5184,7 +5150,8 @@ expandmeta(struct strlist *str, int flag) INTOFF; if (expdir == NULL) { int i = strlen(str->text); - expdir = xmalloc(i < 2048 ? 2048 : i); /* XXX */ + + expdir = xmalloc(i < 2048 ? 2048 : i); /* XXX */ } expmeta(expdir, str->text); @@ -5195,7 +5162,7 @@ expandmeta(struct strlist *str, int flag) /* * no matches */ -nometa: + nometa: *exparg.lastp = str; rmescapes(str->text); exparg.lastp = &str->next; @@ -5215,8 +5182,7 @@ nometa: * Do metacharacter (i.e. *, ?, [...]) expansion. */ -static void -expmeta(char *enddir, char *name) +static void expmeta(char *enddir, char *name) { char *p; const char *cp; @@ -5232,7 +5198,7 @@ expmeta(char *enddir, char *name) metaflag = 0; start = name; - for (p = name ; ; p++) { + for (p = name;; p++) { if (*p == '*' || *p == '?') metaflag = 1; else if (*p == '[') { @@ -5265,10 +5231,10 @@ expmeta(char *enddir, char *name) start = p + 1; } } - if (metaflag == 0) { /* we've reached the end of the file name */ + if (metaflag == 0) { /* we've reached the end of the file name */ if (enddir != expdir) metaflag++; - for (p = name ; ; p++) { + for (p = name;; p++) { if (*p == CTLQUOTEMARK) continue; if (*p == CTLESC) @@ -5318,16 +5284,15 @@ expmeta(char *enddir, char *name) p++; if (*p == '.') matchdot++; - while (! int_pending() && (dp = readdir(dirp)) != NULL) { - if (dp->d_name[0] == '.' && ! matchdot) + while (!int_pending() && (dp = readdir(dirp)) != NULL) { + if (dp->d_name[0] == '.' && !matchdot) continue; if (patmatch(start, dp->d_name, 0)) { if (atend) { strcpy(enddir, dp->d_name); addfname(expdir); } else { - for (p = enddir, cp = dp->d_name; - (*p++ = *cp++) != '\0';) + for (p = enddir, cp = dp->d_name; (*p++ = *cp++) != '\0';) continue; p[-1] = '/'; expmeta(p, endname); @@ -5335,10 +5300,10 @@ expmeta(char *enddir, char *name) } } closedir(dirp); - if (! atend) + if (!atend) endname[-1] = '/'; } -#endif /* defined(__GLIBC__) && !defined(FNMATCH_BROKEN) && !defined(GLOB_BROKEN) */ +#endif /* defined(__GLIBC__) && !defined(FNMATCH_BROKEN) && !defined(GLOB_BROKEN) */ @@ -5349,21 +5314,19 @@ expmeta(char *enddir, char *name) * work. */ -static struct strlist * -expsort(struct strlist *str) +static struct strlist *expsort(struct strlist *str) { int len; struct strlist *sp; len = 0; - for (sp = str ; sp ; sp = sp->next) + for (sp = str; sp; sp = sp->next) len++; return msort(str, len); } -static struct strlist * -msort(struct strlist *list, int len) +static struct strlist *msort(struct strlist *list, int len) { struct strlist *p, *q = NULL; struct strlist **lpp; @@ -5374,13 +5337,13 @@ msort(struct strlist *list, int len) return list; half = len >> 1; p = list; - for (n = half ; --n >= 0 ; ) { + for (n = half; --n >= 0;) { q = p; p = p->next; } - q->next = NULL; /* terminate first half of list */ - q = msort(list, half); /* sort first half of list */ - p = msort(p, len - half); /* sort second half */ + q->next = NULL; /* terminate first half of list */ + q = msort(list, half); /* sort first half of list */ + p = msort(p, len - half); /* sort second half */ lpp = &list; for (;;) { if (strcmp(p->text, q->text) < 0) { @@ -5411,8 +5374,7 @@ msort(struct strlist *list, int len) #if defined(__GLIBC__) && __GLIBC__ >= 2 && !defined(FNMATCH_BROKEN) /* squoted: string might have quote chars */ -static int -patmatch(char *pattern, char *string, int squoted) +static int patmatch(char *pattern, char *string, int squoted) { const char *p; char *q; @@ -5424,8 +5386,7 @@ patmatch(char *pattern, char *string, int squoted) } -static int -patmatch2(char *pattern, char *string, int squoted) +static int patmatch2(char *pattern, char *string, int squoted) { char *p; int res; @@ -5437,14 +5398,13 @@ patmatch2(char *pattern, char *string, int squoted) return res; } #else -static int -patmatch(char *pattern, char *string, int squoted) { +static int patmatch(char *pattern, char *string, int squoted) +{ return pmatch(pattern, string, squoted); } -static int -pmatch(char *pattern, char *string, int squoted) +static int pmatch(char *pattern, char *string, int squoted) { char *p, *q; char c; @@ -5473,11 +5433,10 @@ pmatch(char *pattern, char *string, int squoted) c = *p; while (c == CTLQUOTEMARK || c == '*') c = *++p; - if (c != CTLESC && c != CTLQUOTEMARK && - c != '?' && c != '*' && c != '[') { + if (c != CTLESC && c != CTLQUOTEMARK && + c != '?' && c != '*' && c != '[') { while (*q != c) { - if (squoted && *q == CTLESC && - q[1] == c) + if (squoted && *q == CTLESC && q[1] == c) break; if (*q == '\0') return 0; @@ -5493,7 +5452,7 @@ pmatch(char *pattern, char *string, int squoted) q++; } while (*q++ != '\0'); return 0; - case '[': { + case '[':{ char *endp; int invert, found; char chr; @@ -5505,7 +5464,7 @@ pmatch(char *pattern, char *string, int squoted) while (*endp == CTLQUOTEMARK) endp++; if (*endp == '\0') - goto dft; /* no matching ] */ + goto dft; /* no matching ] */ if (*endp == CTLESC) endp++; if (*++endp == ']') @@ -5546,7 +5505,7 @@ pmatch(char *pattern, char *string, int squoted) return 0; break; } -dft: default: + dft: default: if (squoted && *q == CTLESC) q++; if (*q++ != c) @@ -5554,7 +5513,7 @@ dft: default: break; } } -breakloop: + breakloop: if (*q != '\0') return 0; return 1; @@ -5568,8 +5527,7 @@ breakloop: */ #if defined(__GLIBC__) && __GLIBC__ >= 2 && !defined(FNMATCH_BROKEN) -static char * -_rmescapes(char *str, int flag) +static char *_rmescapes(char *str, int flag) { char *p, *q, *r; static const char qchars[] = { CTLESC, CTLQUOTEMARK, 0 }; @@ -5582,6 +5540,7 @@ _rmescapes(char *str, int flag) r = str; if (flag & RMESCAPE_ALLOC) { size_t len = p - str; + q = r = stalloc(strlen(p) + len + 1); if (len > 0) { memcpy(q, str, len); @@ -5605,8 +5564,7 @@ _rmescapes(char *str, int flag) return r; } #else -static void -rmescapes(char *str) +static void rmescapes(char *str) { char *p, *q; @@ -5635,8 +5593,7 @@ rmescapes(char *str) * See if a pattern matches in a case statement. */ -static int -casematch(union node *pattern, const char *val) +static int casematch(union node *pattern, const char *val) { struct stackmark smark; int result; @@ -5649,7 +5606,7 @@ casematch(union node *pattern, const char *val) argstr(pattern->narg.text, EXP_TILDE | EXP_CASE); STPUTC('\0', expdest); p = grabstackstr(expdest); - result = patmatch(p, (char *)val, 0); + result = patmatch(p, (char *) val, 0); popstackmark(&smark); return result; } @@ -5658,8 +5615,7 @@ casematch(union node *pattern, const char *val) * Our own itoa(). */ -static char * -cvtnum(int num, char *buf) +static char *cvtnum(int num, char *buf) { int len; @@ -5668,6 +5624,7 @@ cvtnum(int num, char *buf) STADJUST(len, buf); return buf; } + /* * Editline and history functions (and glue). */ @@ -5680,7 +5637,7 @@ static int histcmd(int argc, char **argv) struct redirtab { struct redirtab *next; - short renamed[10]; /* Current ash support only 0-9 descriptors */ + short renamed[10]; /* Current ash support only 0-9 descriptors */ /* char on arm (and others) can't be negative */ }; @@ -5694,35 +5651,35 @@ extern char **environ; * Initialization code. */ -static void -init(void) { +static void init(void) +{ - /* from cd.c: */ - { - curdir = nullstr; - setpwd(0, 0); - } + /* from cd.c: */ + { + curdir = nullstr; + setpwd(0, 0); + } - /* from input.c: */ - { - basepf.nextc = basepf.buf = basebuf; - } + /* from input.c: */ + { + basepf.nextc = basepf.buf = basebuf; + } - /* from var.c: */ - { - char **envp; - char ppid[32]; + /* from var.c: */ + { + char **envp; + char ppid[32]; - initvar(); - for (envp = environ ; *envp ; envp++) { - if (strchr(*envp, '=')) { - setvareq(*envp, VEXPORT|VTEXTFIXED); - } - } + initvar(); + for (envp = environ; *envp; envp++) { + if (strchr(*envp, '=')) { + setvareq(*envp, VEXPORT | VTEXTFIXED); + } + } - snprintf(ppid, sizeof(ppid), "%d", (int) getppid()); - setvar("PPID", ppid, 0); - } + snprintf(ppid, sizeof(ppid), "%d", (int) getppid()); + setvar("PPID", ppid, 0); + } } @@ -5733,37 +5690,37 @@ init(void) { */ /* 1 == check for aliases, 2 == also check for assignments */ -static int checkalias; /* also used in no alias mode for check assignments */ +static int checkalias; /* also used in no alias mode for check assignments */ -static void -reset(void) { +static void reset(void) +{ - /* from eval.c: */ - { - evalskip = 0; - loopnest = 0; - funcnest = 0; - } + /* from eval.c: */ + { + evalskip = 0; + loopnest = 0; + funcnest = 0; + } - /* from input.c: */ - { - if (exception != EXSHELLPROC) - parselleft = parsenleft = 0; /* clear input buffer */ - popallfiles(); - } + /* from input.c: */ + { + if (exception != EXSHELLPROC) + parselleft = parsenleft = 0; /* clear input buffer */ + popallfiles(); + } - /* from parser.c: */ - { - tokpushback = 0; - checkkwd = 0; - checkalias = 0; - } + /* from parser.c: */ + { + tokpushback = 0; + checkkwd = 0; + checkalias = 0; + } - /* from redir.c: */ - { - while (redirlist) - popredir(); - } + /* from redir.c: */ + { + while (redirlist) + popredir(); + } } @@ -5774,17 +5731,19 @@ reset(void) { */ #ifdef CONFIG_FEATURE_COMMAND_EDITING -static const char * cmdedit_prompt; -static inline void putprompt(const char *s) { - cmdedit_prompt = s; +static const char *cmdedit_prompt; +static inline void putprompt(const char *s) +{ + cmdedit_prompt = s; } #else -static inline void putprompt(const char *s) { - out2str(s); +static inline void putprompt(const char *s) +{ + out2str(s); } #endif -#define EOF_NLEFT -99 /* value of parsenleft when EOF pushed back */ +#define EOF_NLEFT -99 /* value of parsenleft when EOF pushed back */ @@ -5793,25 +5752,27 @@ static inline void putprompt(const char *s) { */ #ifdef CONFIG_ASH_ALIAS -static int -pgetc2(void) +static int pgetc2(void) { int c; + do { c = pgetc_macro(); } while (c == PEOA); return c; } #else -static inline int pgetc2(void) { return pgetc_macro(); } +static inline int pgetc2(void) +{ + return pgetc_macro(); +} #endif /* * Read a line from the script. */ -static inline char * -pfgets(char *line, int len) +static inline char *pfgets(char *line, int len) { char *p = line; int nleft = len; @@ -5832,21 +5793,21 @@ pfgets(char *line, int len) return line; } -static inline int -preadfd(void) +static inline int preadfd(void) { - int nr; - char *buf = parsefile->buf; - parsenextc = buf; + int nr; + char *buf = parsefile->buf; -retry: + parsenextc = buf; + + retry: #ifdef CONFIG_FEATURE_COMMAND_EDITING { - if (!iflag || parsefile->fd) - nr = safe_read(parsefile->fd, buf, BUFSIZ - 1); - else { - nr = cmdedit_read_input((char*)cmdedit_prompt, buf); - } + if (!iflag || parsefile->fd) + nr = safe_read(parsefile->fd, buf, BUFSIZ - 1); + else { + nr = cmdedit_read_input((char *) cmdedit_prompt, buf); + } } #else nr = safe_read(parsefile->fd, buf, BUFSIZ - 1); @@ -5855,8 +5816,9 @@ retry: if (nr < 0) { if (parsefile->fd == 0 && errno == EWOULDBLOCK) { int flags = fcntl(0, F_GETFL, 0); + if (flags >= 0 && flags & O_NONBLOCK) { - flags &=~ O_NONBLOCK; + flags &= ~O_NONBLOCK; if (fcntl(0, F_SETFL, flags) >= 0) { out2str("sh: turning off NDELAY mode\n"); goto retry; @@ -5867,8 +5829,7 @@ retry: return nr; } -static void -popstring(void) +static void popstring(void) { struct strpush *sp = parsefile->strpush; @@ -5910,8 +5871,7 @@ popstring(void) * 4) Process input up to the next newline, deleting nul characters. */ -static int -preadbuffer(void) +static int preadbuffer(void) { char *p, *q; int more; @@ -5932,7 +5892,7 @@ preadbuffer(void) return PEOF; flushall(); -again: + again: if (parselleft <= 0) { if ((parselleft = preadfd()) <= 0) { parselleft = parsenleft = EOF_NLEFT; @@ -5946,18 +5906,18 @@ again: for (more = 1; more;) { switch (*p) { case '\0': - p++; /* Skip nul */ + p++; /* Skip nul */ goto check; case '\n': parsenleft = q - parsenextc; - more = 0; /* Stop processing here */ + more = 0; /* Stop processing here */ break; } *q++ = *p++; -check: + check: if (--parselleft <= 0 && more) { parsenleft = q - parsenextc - 1; if (parsenleft < 0) @@ -5983,15 +5943,14 @@ check: * Push a string back onto the input at this current parsefile level. * We handle aliases this way. */ -static void -pushstring(char *s, int len, void *ap) +static void pushstring(char *s, int len, void *ap) { struct strpush *sp; INTOFF; /*dprintf("*** calling pushstring: %s, %d\n", s, len);*/ if (parsefile->strpush) { - sp = xmalloc(sizeof (struct strpush)); + sp = xmalloc(sizeof(struct strpush)); sp->prev = parsefile->strpush; parsefile->strpush = sp; } else @@ -5999,9 +5958,9 @@ pushstring(char *s, int len, void *ap) sp->prevstring = parsenextc; sp->prevnleft = parsenleft; #ifdef CONFIG_ASH_ALIAS - sp->ap = (struct alias *)ap; + sp->ap = (struct alias *) ap; if (ap) { - ((struct alias *)ap)->flag |= ALIASINUSE; + ((struct alias *) ap)->flag |= ALIASINUSE; sp->string = s; } #endif @@ -6015,8 +5974,7 @@ pushstring(char *s, int len, void *ap) * Like setinputfile, but takes input from a string. */ -static void -setinputstring(char *string) +static void setinputstring(char *string) { INTOFF; pushfile(); @@ -6034,8 +5992,7 @@ setinputstring(char *string) * adds a new entry to the stack and popfile restores the previous level. */ -static void -pushfile(void) +static void pushfile(void) { struct parsefile *pf; @@ -6043,7 +6000,7 @@ pushfile(void) parsefile->lleft = parselleft; parsefile->nextc = parsenextc; parsefile->linno = plinno; - pf = (struct parsefile *)xmalloc(sizeof (struct parsefile)); + pf = (struct parsefile *) xmalloc(sizeof(struct parsefile)); pf->prev = parsefile; pf->fd = -1; pf->strpush = NULL; @@ -6052,11 +6009,11 @@ pushfile(void) } #ifdef CONFIG_ASH_JOB_CONTROL -static void restartjob (struct job *); +static void restartjob(struct job *); #endif -static void freejob (struct job *); -static struct job *getjob (const char *); -static int dowait (int, struct job *); +static void freejob(struct job *); +static struct job *getjob(const char *); +static int dowait(int, struct job *); static void waitonint(int); @@ -6068,13 +6025,12 @@ static void waitonint(int); static int fd0_redirected = 0; /* Return true if fd 0 has already been redirected at least once. */ -static inline int -fd0_redirected_p (void) +static inline int fd0_redirected_p(void) { return fd0_redirected != 0; } -static void dupredirect (const union node *, int, int fd1dup); +static void dupredirect(const union node *, int, int fd1dup); #ifdef CONFIG_ASH_JOB_CONTROL /* @@ -6096,9 +6052,9 @@ static void setjobctl(int enable) if (enable == jobctl || rootshell == 0) return; if (enable) { - do { /* while we are in the background */ + do { /* while we are in the background */ #ifdef OLD_TTY_DRIVER - if (ioctl(2, TIOCGPGRP, (char *)&initialpgrp) < 0) { + if (ioctl(2, TIOCGPGRP, (char *) &initialpgrp) < 0) { #else initialpgrp = tcgetpgrp(2); if (initialpgrp < 0) { @@ -6115,8 +6071,9 @@ static void setjobctl(int enable) } } while (0); #ifdef OLD_TTY_DRIVER - if (ioctl(2, TIOCGETD, (char *)&ldisc) < 0 || ldisc != NTTYDISC) { - out2str("sh: need new tty driver to run job control; job control turned off\n"); + if (ioctl(2, TIOCGETD, (char *) &ldisc) < 0 || ldisc != NTTYDISC) { + out2str + ("sh: need new tty driver to run job control; job control turned off\n"); mflag = 0; return; } @@ -6126,14 +6083,14 @@ static void setjobctl(int enable) setsignal(SIGTTIN); setpgid(0, rootpid); #ifdef OLD_TTY_DRIVER - ioctl(2, TIOCSPGRP, (char *)&rootpid); + ioctl(2, TIOCSPGRP, (char *) &rootpid); #else tcsetpgrp(2, rootpid); #endif - } else { /* turning job control off */ + } else { /* turning job control off */ setpgid(0, initialpgrp); #ifdef OLD_TTY_DRIVER - ioctl(2, TIOCSPGRP, (char *)&initialpgrp); + ioctl(2, TIOCSPGRP, (char *) &initialpgrp); #else tcsetpgrp(2, initialpgrp); #endif @@ -6147,8 +6104,7 @@ static void setjobctl(int enable) #ifdef CONFIG_ASH_JOB_CONTROL -static int -killcmd(int argc, char **argv) +static int killcmd(int argc, char **argv) { int signo = -1; int list = 0; @@ -6157,11 +6113,10 @@ killcmd(int argc, char **argv) struct job *jp; if (argc <= 1) { -usage: - error( -"Usage: kill [-s sigspec | -signum | -sigspec] [pid | job]... or\n" -"kill -l [exitstatus]" - ); + usage: + error + ("Usage: kill [-s sigspec | -signum | -sigspec] [pid | job]... or\n" + "kill -l [exitstatus]"); } if (*argv[1] == '-') { @@ -6177,18 +6132,14 @@ usage: case 's': signo = decode_signal(optionarg, 1); if (signo < 0) { - error( - "invalid signal number or name: %s", - optionarg - ); + error("invalid signal number or name: %s", optionarg); } break; #ifdef DEBUG default: - error( - "nextopt returned character code 0%o", c); + error("nextopt returned character code 0%o", c); #endif - } + } } else argptr++; } @@ -6207,7 +6158,7 @@ usage: out1str("0\n"); for (i = 1; i < NSIG; i++) { name = u_signal_names(0, &i, 1); - if(name) + if (name) puts(name); } return 0; @@ -6216,8 +6167,7 @@ usage: if (name) puts(name); else - error("invalid signal number or exit status: %s", - *argptr); + error("invalid signal number or exit status: %s", *argptr); return 0; } @@ -6225,8 +6175,7 @@ usage: if (**argptr == '%') { jp = getjob(*argptr); if (jp->jobctl == 0) - error("job %s not created under job control", - *argptr); + error("job %s not created under job control", *argptr); pid = -jp->ps[0].pid; } else pid = atoi(*argptr); @@ -6237,8 +6186,7 @@ usage: return 0; } -static int -fgcmd(int argc, char **argv) +static int fgcmd(int argc, char **argv) { struct job *jp; int pgrp; @@ -6249,7 +6197,7 @@ fgcmd(int argc, char **argv) error("job not created under job control"); pgrp = jp->ps[0].pid; #ifdef OLD_TTY_DRIVER - ioctl(2, TIOCSPGRP, (char *)&pgrp); + ioctl(2, TIOCSPGRP, (char *) &pgrp); #else tcsetpgrp(2, pgrp); #endif @@ -6259,8 +6207,7 @@ fgcmd(int argc, char **argv) } -static int -bgcmd(int argc, char **argv) +static int bgcmd(int argc, char **argv) { struct job *jp; @@ -6274,8 +6221,7 @@ bgcmd(int argc, char **argv) } -static void -restartjob(struct job *jp) +static void restartjob(struct job *jp) { struct procstat *ps; int i; @@ -6284,7 +6230,7 @@ restartjob(struct job *jp) return; INTOFF; killpg(jp->ps[0].pid, SIGCONT); - for (ps = jp->ps, i = jp->nprocs ; --i >= 0 ; ps++) { + for (ps = jp->ps, i = jp->nprocs; --i >= 0; ps++) { if (WIFSTOPPED(ps->status)) { ps->status = -1; jp->state = 0; @@ -6297,8 +6243,7 @@ restartjob(struct job *jp) static void showjobs(int change); -static int -jobscmd(int argc, char **argv) +static int jobscmd(int argc, char **argv) { showjobs(0); return 0; @@ -6314,8 +6259,7 @@ jobscmd(int argc, char **argv) * will be freed here. */ -static void -showjobs(int change) +static void showjobs(int change) { int jobno; int procno; @@ -6326,37 +6270,34 @@ showjobs(int change) char s[64]; TRACE(("showjobs(%d) called\n", change)); - while (dowait(0, (struct job *)NULL) > 0); - for (jobno = 1, jp = jobtab ; jobno <= njobs ; jobno++, jp++) { - if (! jp->used) + while (dowait(0, (struct job *) NULL) > 0); + for (jobno = 1, jp = jobtab; jobno <= njobs; jobno++, jp++) { + if (!jp->used) continue; if (jp->nprocs == 0) { freejob(jp); continue; } - if (change && ! jp->changed) + if (change && !jp->changed) continue; procno = jp->nprocs; - for (ps = jp->ps ; ; ps++) { /* for each process */ + for (ps = jp->ps;; ps++) { /* for each process */ if (ps == jp->ps) - snprintf(s, 64, "[%d] %ld ", jobno, - (long)ps->pid); + snprintf(s, 64, "[%d] %ld ", jobno, (long) ps->pid); else - snprintf(s, 64, " %ld ", - (long)ps->pid); + snprintf(s, 64, " %ld ", (long) ps->pid); out1str(s); col = strlen(s); s[0] = '\0'; if (ps->status == -1) { /* don't print anything */ } else if (WIFEXITED(ps->status)) { - snprintf(s, 64, "Exit %d", - WEXITSTATUS(ps->status)); + snprintf(s, 64, "Exit %d", WEXITSTATUS(ps->status)); } else { #ifdef CONFIG_ASH_JOB_CONTROL if (WIFSTOPPED(ps->status)) i = WSTOPSIG(ps->status); - else /* WIFSIGNALED(ps->status) */ + else /* WIFSIGNALED(ps->status) */ #endif i = WTERMSIG(ps->status); if ((i & 0x7F) < NSIG && sys_siglist[i & 0x7F]) @@ -6368,10 +6309,7 @@ showjobs(int change) } out1str(s); col += strlen(s); - printf( - "%*c%s\n", 30 - col >= 0 ? 30 - col : 0, ' ', - ps->cmd - ); + printf("%*c%s\n", 30 - col >= 0 ? 30 - col : 0, ' ', ps->cmd); if (--procno <= 0) break; } @@ -6387,14 +6325,13 @@ showjobs(int change) * Mark a job structure as unused. */ -static void -freejob(struct job *jp) +static void freejob(struct job *jp) { const struct procstat *ps; int i; INTOFF; - for (i = jp->nprocs, ps = jp->ps ; --i >= 0 ; ps++) { + for (i = jp->nprocs, ps = jp->ps; --i >= 0; ps++) { if (ps->cmd != nullstr) free(ps->cmd); } @@ -6410,24 +6347,23 @@ freejob(struct job *jp) -static int -waitcmd(int argc, char **argv) +static int waitcmd(int argc, char **argv) { struct job *job; int status, retval; struct job *jp; if (--argc > 0) { -start: + start: job = getjob(*++argv); } else { job = NULL; } - for (;;) { /* loop until process terminated or stopped */ + for (;;) { /* loop until process terminated or stopped */ if (job != NULL) { if (job->state) { status = job->ps[job->nprocs - 1].status; - if (! iflag) + if (!iflag) freejob(job); if (--argc) { goto start; @@ -6445,8 +6381,8 @@ start: return retval; } } else { - for (jp = jobtab ; ; jp++) { - if (jp >= jobtab + njobs) { /* no running procs */ + for (jp = jobtab;; jp++) { + if (jp >= jobtab + njobs) { /* no running procs */ return 0; } if (jp->used && jp->state == 0) @@ -6465,8 +6401,7 @@ start: * Convert a job name to a job structure. */ -static struct job * -getjob(const char *name) +static struct job *getjob(const char *name) { int jobno; struct job *jp; @@ -6475,7 +6410,7 @@ getjob(const char *name) if (name == NULL) { #ifdef CONFIG_ASH_JOB_CONTROL -currentjob: + currentjob: if ((jobno = curjob) == 0 || jobtab[jobno - 1].used == 0) error("No current job"); return &jobtab[jobno - 1]; @@ -6485,8 +6420,7 @@ currentjob: } else if (name[0] == '%') { if (is_digit(name[1])) { jobno = number(name + 1); - if (jobno > 0 && jobno <= njobs - && jobtab[jobno - 1].used != 0) + if (jobno > 0 && jobno <= njobs && jobtab[jobno - 1].used != 0) return &jobtab[jobno - 1]; #ifdef CONFIG_ASH_JOB_CONTROL } else if (name[1] == '%' && name[2] == '\0') { @@ -6494,9 +6428,10 @@ currentjob: #endif } else { struct job *found = NULL; - for (jp = jobtab, i = njobs ; --i >= 0 ; jp++) { + + for (jp = jobtab, i = njobs; --i >= 0; jp++) { if (jp->used && jp->nprocs > 0 - && prefix(name + 1, jp->ps[0].cmd)) { + && prefix(name + 1, jp->ps[0].cmd)) { if (found) error("%s: ambiguous", name); found = jp; @@ -6506,9 +6441,9 @@ currentjob: return found; } } else if (is_number(name, &pid)) { - for (jp = jobtab, i = njobs ; --i >= 0 ; jp++) { + for (jp = jobtab, i = njobs; --i >= 0; jp++) { if (jp->used && jp->nprocs > 0 - && jp->ps[jp->nprocs - 1].pid == pid) + && jp->ps[jp->nprocs - 1].pid == pid) return jp; } } @@ -6522,13 +6457,12 @@ currentjob: * Return a new job structure, */ -static struct job * -makejob(const union node *node, int nprocs) +static struct job *makejob(const union node *node, int nprocs) { int i; struct job *jp; - for (i = njobs, jp = jobtab ; ; jp++) { + for (i = njobs, jp = jobtab;; jp++) { if (--i < 0) { INTOFF; if (njobs == 0) { @@ -6544,7 +6478,7 @@ makejob(const union node *node, int nprocs) jobtab = jp; } jp = jobtab + njobs; - for (i = 4 ; --i >= 0 ; jobtab[njobs++].used = 0); + for (i = 4; --i >= 0; jobtab[njobs++].used = 0); INTON; break; } @@ -6560,13 +6494,13 @@ makejob(const union node *node, int nprocs) jp->jobctl = jobctl; #endif if (nprocs > 1) { - jp->ps = xmalloc(nprocs * sizeof (struct procstat)); + jp->ps = xmalloc(nprocs * sizeof(struct procstat)); } else { jp->ps = &jp->ps0; } INTON; - TRACE(("makejob(0x%lx, %d) returns %%%d\n", (long)node, nprocs, - jp - jobtab + 1)); + TRACE(("makejob(0x%lx, %d) returns %%%d\n", (long) node, nprocs, + jp - jobtab + 1)); return jp; } @@ -6588,18 +6522,18 @@ makejob(const union node *node, int nprocs) -static int -forkshell(struct job *jp, const union node *n, int mode) +static int forkshell(struct job *jp, const union node *n, int mode) { int pid; + #ifdef CONFIG_ASH_JOB_CONTROL int pgrp; #endif const char *devnull = _PATH_DEVNULL; const char *nullerr = "Can't open %s"; - TRACE(("forkshell(%%%d, 0x%lx, %d) called\n", jp - jobtab, (long)n, - mode)); + TRACE(("forkshell(%%%d, 0x%lx, %d) called\n", jp - jobtab, (long) n, + mode)); INTOFF; #if !defined(__UCLIBC__) || defined(__UCLIBC_HAS_MMU__) pid = fork(); @@ -6623,7 +6557,7 @@ forkshell(struct job *jp, const union node *n, int mode) INTON; clear_traps(); #ifdef CONFIG_ASH_JOB_CONTROL - jobctl = 0; /* do job control only in root shell */ + jobctl = 0; /* do job control only in root shell */ if (wasroot && mode != FORK_NOJOB && mflag) { if (jp == NULL || jp->nprocs == 0) pgrp = getpid(); @@ -6633,7 +6567,7 @@ forkshell(struct job *jp, const union node *n, int mode) if (mode == FORK_FG) { /*** this causes superfluous TIOCSPGRPS ***/ #ifdef OLD_TTY_DRIVER - if (ioctl(2, TIOCSPGRP, (char *)&pgrp) < 0) + if (ioctl(2, TIOCSPGRP, (char *) &pgrp) < 0) error("TIOCSPGRP failed, errno=%d", errno); #else if (tcsetpgrp(2, pgrp) < 0) @@ -6648,14 +6582,13 @@ forkshell(struct job *jp, const union node *n, int mode) #endif ignoresig(SIGINT); ignoresig(SIGQUIT); - if ((jp == NULL || jp->nprocs == 0) && - ! fd0_redirected_p ()) { + if ((jp == NULL || jp->nprocs == 0) && !fd0_redirected_p()) { close(0); if (open(devnull, O_RDONLY) != 0) error(nullerr, devnull); } } - for (i = njobs, p = jobtab ; --i >= 0 ; p++) + for (i = njobs, p = jobtab; --i >= 0; p++) if (p->used) freejob(p); if (wasroot && iflag) { @@ -6675,9 +6608,10 @@ forkshell(struct job *jp, const union node *n, int mode) } #endif if (mode == FORK_BG) - backgndpid = pid; /* set $! */ + backgndpid = pid; /* set $! */ if (jp) { struct procstat *ps = &jp->ps[jp->nprocs++]; + ps->pid = pid; ps->status = -1; ps->cmd = nullstr; @@ -6710,8 +6644,7 @@ forkshell(struct job *jp, const union node *n, int mode) * confuse this approach. */ -static int -waitforjob(struct job *jp) +static int waitforjob(struct job *jp) { #ifdef CONFIG_ASH_JOB_CONTROL int mypgrp = getpgrp(); @@ -6741,12 +6674,13 @@ waitforjob(struct job *jp) if (!iflag) { #endif sigaction(SIGINT, &oact, 0); - if (intreceived) kill(getpid(), SIGINT); + if (intreceived) + kill(getpid(), SIGINT); } #ifdef CONFIG_ASH_JOB_CONTROL if (jp->jobctl) { #ifdef OLD_TTY_DRIVER - if (ioctl(2, TIOCSPGRP, (char *)&mypgrp) < 0) + if (ioctl(2, TIOCSPGRP, (char *) &mypgrp) < 0) error("TIOCSPGRP failed, errno=%d\n", errno); #else if (tcsetpgrp(2, mypgrp) < 0) @@ -6780,7 +6714,6 @@ waitforjob(struct job *jp) raise(SIGINT); } if (jp->state == JOBDONE) - #endif freejob(jp); INTON; @@ -6817,8 +6750,7 @@ waitforjob(struct job *jp) * */ -static inline int -waitproc(int block, int *status) +static inline int waitproc(int block, int *status) { int flags; @@ -6829,11 +6761,10 @@ waitproc(int block, int *status) #endif if (block == 0) flags |= WNOHANG; - return wait3(status, flags, (struct rusage *)NULL); + return wait3(status, flags, (struct rusage *) NULL); } -static int -dowait(int block, struct job *job) +static int dowait(int block, struct job *job) { int pid; int status; @@ -6854,15 +6785,16 @@ dowait(int block, struct job *job) return pid; INTOFF; thisjob = NULL; - for (jp = jobtab ; jp < jobtab + njobs ; jp++) { + for (jp = jobtab; jp < jobtab + njobs; jp++) { if (jp->used) { done = 1; stopped = 1; - for (sp = jp->ps ; sp < jp->ps + jp->nprocs ; sp++) { + for (sp = jp->ps; sp < jp->ps + jp->nprocs; sp++) { if (sp->pid == -1) continue; if (sp->pid == pid) { - TRACE(("Changing status of proc %d from 0x%x to 0x%x\n", pid, sp->status, status)); + TRACE(("Changing status of proc %d from 0x%x to 0x%x\n", + pid, sp->status, status)); sp->status = status; thisjob = jp; } @@ -6871,36 +6803,40 @@ dowait(int block, struct job *job) else if (WIFSTOPPED(sp->status)) done = 0; } - if (stopped) { /* stopped or done */ - int state = done? JOBDONE : CONFIG_ASH_JOB_CONTROLTOPPED; + if (stopped) { /* stopped or done */ + int state = done ? JOBDONE : CONFIG_ASH_JOB_CONTROLTOPPED; + if (jp->state != state) { - TRACE(("Job %d: changing state from %d to %d\n", jp - jobtab + 1, jp->state, state)); + TRACE(("Job %d: changing state from %d to %d\n", + jp - jobtab + 1, jp->state, state)); jp->state = state; #ifdef CONFIG_ASH_JOB_CONTROL if (done && curjob == jp - jobtab + 1) - curjob = 0; /* no current job */ + curjob = 0; /* no current job */ #endif } } } } INTON; - if (! rootshell || ! iflag || (job && thisjob == job)) { + if (!rootshell || !iflag || (job && thisjob == job)) { core = WCOREDUMP(status); #ifdef CONFIG_ASH_JOB_CONTROL - if (WIFSTOPPED(status)) sig = WSTOPSIG(status); + if (WIFSTOPPED(status)) + sig = WSTOPSIG(status); else #endif - if (WIFEXITED(status)) sig = 0; - else sig = WTERMSIG(status); + if (WIFEXITED(status)) + sig = 0; + else + sig = WTERMSIG(status); if (sig != 0 && sig != SIGINT && sig != SIGPIPE) { if (thisjob != job) out2fmt("%d: ", pid); #ifdef CONFIG_ASH_JOB_CONTROL if (sig == SIGTSTP && rootshell && iflag) - out2fmt("%%%ld ", - (long)(job - jobtab + 1)); + out2fmt("%%%ld ", (long) (job - jobtab + 1)); #endif if (sig < NSIG && sys_siglist[sig]) out2str(sys_siglist[sig]); @@ -6910,11 +6846,11 @@ dowait(int block, struct job *job) out2str(" - core dumped"); out2c('\n'); } else { - TRACE(("Not printing status: status=%d, sig=%d\n", - status, sig)); + TRACE(("Not printing status: status=%d, sig=%d\n", status, sig)); } } else { - TRACE(("Not printing status, rootshell=%d, job=0x%x\n", rootshell, job)); + TRACE(("Not printing status, rootshell=%d, job=0x%x\n", rootshell, + job)); if (thisjob) thisjob->changed = 1; } @@ -6927,8 +6863,7 @@ dowait(int block, struct job *job) /* * return 1 if there are stopped jobs, otherwise 0 */ -static int -stoppedjobs(void) +static int stoppedjobs(void) { int jobno; struct job *jp; @@ -6955,10 +6890,10 @@ stoppedjobs(void) static char *cmdnextc; static int cmdnleft; + #define MAXCMDTEXT 200 -static void -cmdputs(const char *s) +static void cmdputs(const char *s) { const char *p; char *q; @@ -6982,8 +6917,8 @@ cmdputs(const char *s) subtype = 0; } else if (c == CTLENDVAR) { *q++ = '}'; - } else if (c == CTLBACKQ || c == CTLBACKQ+CTLQUOTE) - cmdnleft++; /* ignore it */ + } else if (c == CTLBACKQ || c == CTLBACKQ + CTLQUOTE) + cmdnleft++; /* ignore it */ else *q++ = c; if (--cmdnleft <= 0) { @@ -7019,30 +6954,30 @@ cmdputs(const char *s) * end-of-instructions flag in bit 0. */ -#define CMDTXT_NOMORE 0x01 /* NOTE: no offset should be odd */ +#define CMDTXT_NOMORE 0x01 /* NOTE: no offset should be odd */ #define CMDTXT_CHARPTR 0x40 #define CMDTXT_STRING 0x80 #define CMDTXT_SPECIAL 0xC0 #define CMDTXT_OFFSETMASK 0x3E -static const char * const cmdtxt_strings[] = { - /* 0 1 2 3 4 5 6 7 */ +static const char *const cmdtxt_strings[] = { + /* 0 1 2 3 4 5 6 7 */ "; ", "(", ")", " && ", " || ", "if ", "; then ", "...", - /* 8 9 10 11 12 13 */ - "while ", "; do ", "; done", "until ", "for ", " in ...", - /* 14 15 16 17 */ + /* 8 9 10 11 12 13 */ + "while ", "; do ", "; done", "until ", "for ", " in ...", + /* 14 15 16 17 */ "case ", "???", "() ...", "<<..." }; -static const char * const redir_strings[] = { +static const char *const redir_strings[] = { ">", "<", "<>", ">>", ">|", ">&", "<&" }; static const unsigned char cmdtxt_ops[] = { #define CMDTXT_NSEMI 0 offsetof(union node, nbinary.ch1), - 0|CMDTXT_STRING, - offsetof(union node, nbinary.ch2)|CMDTXT_NOMORE, + 0 | CMDTXT_STRING, + offsetof(union node, nbinary.ch2) | CMDTXT_NOMORE, #define CMDTXT_NCMD (CMDTXT_NSEMI + 3) #define CMDTXT_NPIPE (CMDTXT_NCMD) #define CMDTXT_NCASE (CMDTXT_NCMD) @@ -7056,52 +6991,52 @@ static const unsigned char cmdtxt_ops[] = { CMDTXT_SPECIAL, #define CMDTXT_NREDIR (CMDTXT_NPIPE + 1) #define CMDTXT_NBACKGND (CMDTXT_NREDIR) - offsetof(union node, nredir.n)|CMDTXT_NOMORE, + offsetof(union node, nredir.n) | CMDTXT_NOMORE, #define CMDTXT_NSUBSHELL (CMDTXT_NBACKGND + 1) - (1*2)|CMDTXT_STRING, + (1 * 2) | CMDTXT_STRING, offsetof(union node, nredir.n), - (2*2)|CMDTXT_STRING|CMDTXT_NOMORE, + (2 * 2) | CMDTXT_STRING | CMDTXT_NOMORE, #define CMDTXT_NAND (CMDTXT_NSUBSHELL + 3) offsetof(union node, nbinary.ch1), - (3*2)|CMDTXT_STRING, - offsetof(union node, nbinary.ch2)|CMDTXT_NOMORE, + (3 * 2) | CMDTXT_STRING, + offsetof(union node, nbinary.ch2) | CMDTXT_NOMORE, #define CMDTXT_NOR (CMDTXT_NAND + 3) offsetof(union node, nbinary.ch1), - (4*2)|CMDTXT_STRING, - offsetof(union node, nbinary.ch2)|CMDTXT_NOMORE, + (4 * 2) | CMDTXT_STRING, + offsetof(union node, nbinary.ch2) | CMDTXT_NOMORE, #define CMDTXT_NIF (CMDTXT_NOR + 3) - (5*2)|CMDTXT_STRING, + (5 * 2) | CMDTXT_STRING, offsetof(union node, nif.test), - (6*2)|CMDTXT_STRING, + (6 * 2) | CMDTXT_STRING, offsetof(union node, nif.ifpart), - (7*2)|CMDTXT_STRING|CMDTXT_NOMORE, + (7 * 2) | CMDTXT_STRING | CMDTXT_NOMORE, #define CMDTXT_NWHILE (CMDTXT_NIF + 5) - (8*2)|CMDTXT_STRING, + (8 * 2) | CMDTXT_STRING, offsetof(union node, nbinary.ch1), - (9*2)|CMDTXT_STRING, + (9 * 2) | CMDTXT_STRING, offsetof(union node, nbinary.ch2), - (10*2)|CMDTXT_STRING|CMDTXT_NOMORE, + (10 * 2) | CMDTXT_STRING | CMDTXT_NOMORE, #define CMDTXT_NUNTIL (CMDTXT_NWHILE + 5) - (11*2)|CMDTXT_STRING, + (11 * 2) | CMDTXT_STRING, offsetof(union node, nbinary.ch1), - (9*2)|CMDTXT_STRING, + (9 * 2) | CMDTXT_STRING, offsetof(union node, nbinary.ch2), - (10*2)|CMDTXT_STRING|CMDTXT_NOMORE, + (10 * 2) | CMDTXT_STRING | CMDTXT_NOMORE, #define CMDTXT_NFOR (CMDTXT_NUNTIL + 5) - (12*2)|CMDTXT_STRING, - offsetof(union node, nfor.var)|CMDTXT_CHARPTR, - (13*2)|CMDTXT_STRING|CMDTXT_NOMORE, -#define CMDTXT_NCLIST (CMDTXT_NFOR + 3) /* TODO: IS THIS CORRECT??? */ -#define CMDTXT_NNOT (CMDTXT_NCLIST) /* TODO: IS THIS CORRECT??? */ - (15*2)|CMDTXT_STRING|CMDTXT_NOMORE, + (12 * 2) | CMDTXT_STRING, + offsetof(union node, nfor.var) | CMDTXT_CHARPTR, + (13 * 2) | CMDTXT_STRING | CMDTXT_NOMORE, +#define CMDTXT_NCLIST (CMDTXT_NFOR + 3) /* TODO: IS THIS CORRECT??? */ +#define CMDTXT_NNOT (CMDTXT_NCLIST) /* TODO: IS THIS CORRECT??? */ + (15 * 2) | CMDTXT_STRING | CMDTXT_NOMORE, #define CMDTXT_NDEFUN (CMDTXT_NCLIST + 1) - offsetof(union node, narg.text)|CMDTXT_CHARPTR, - (16*2)|CMDTXT_STRING|CMDTXT_NOMORE, + offsetof(union node, narg.text) | CMDTXT_CHARPTR, + (16 * 2) | CMDTXT_STRING | CMDTXT_NOMORE, #define CMDTXT_NARG (CMDTXT_NDEFUN + 2) - offsetof(union node, narg.text)|CMDTXT_CHARPTR|CMDTXT_NOMORE, + offsetof(union node, narg.text) | CMDTXT_CHARPTR | CMDTXT_NOMORE, #define CMDTXT_NHERE (CMDTXT_NARG + 1) #define CMDTXT_NXHERE (CMDTXT_NHERE) - (17*2)|CMDTXT_STRING|CMDTXT_NOMORE, + (17 * 2) | CMDTXT_STRING | CMDTXT_NOMORE, }; #if CMDTXT_NXHERE != 36 @@ -7137,8 +7072,7 @@ static const unsigned char cmdtxt_ops_index[26] = { CMDTXT_NNOT, }; -static void -cmdtxt(const union node *n) +static void cmdtxt(const union node *n) { const char *p; @@ -7146,34 +7080,38 @@ cmdtxt(const union node *n) return; p = cmdtxt_ops + (int) cmdtxt_ops_index[n->type]; - if ((*p & CMDTXT_SPECIAL) != CMDTXT_SPECIAL) { /* normal case */ + if ((*p & CMDTXT_SPECIAL) != CMDTXT_SPECIAL) { /* normal case */ do { - if (*p & CMDTXT_STRING) { /* output fixed string */ - cmdputs(cmdtxt_strings[((int)(*p & CMDTXT_OFFSETMASK) >> 1)]); + if (*p & CMDTXT_STRING) { /* output fixed string */ + cmdputs(cmdtxt_strings + [((int) (*p & CMDTXT_OFFSETMASK) >> 1)]); } else { const char *pf = ((const char *) n) - + ((int)(*p & CMDTXT_OFFSETMASK)); - if (*p & CMDTXT_CHARPTR) { /* output dynamic string */ + + ((int) (*p & CMDTXT_OFFSETMASK)); + + if (*p & CMDTXT_CHARPTR) { /* output dynamic string */ cmdputs(*((const char **) pf)); - } else { /* output field */ + } else { /* output field */ cmdtxt(*((const union node **) pf)); } } } while (!(*p++ & CMDTXT_NOMORE)); } else if (n->type == NCMD) { union node *np; - for (np = n->ncmd.args ; np ; np = np->narg.next) { + + for (np = n->ncmd.args; np; np = np->narg.next) { cmdtxt(np); if (np->narg.next) cmdputs(spcstr); } - for (np = n->ncmd.redirect ; np ; np = np->nfile.next) { + for (np = n->ncmd.redirect; np; np = np->nfile.next) { cmdputs(spcstr); cmdtxt(np); } } else if (n->type == NPIPE) { struct nodelist *lp; - for (lp = n->npipe.cmdlist ; lp ; lp = lp->next) { + + for (lp = n->npipe.cmdlist; lp; lp = lp->next) { cmdtxt(lp->n); if (lp->next) cmdputs(" | "); @@ -7208,9 +7146,8 @@ cmdtxt(const union node *n) } } } -#else /* CMDTXT_TABLE */ -static void -cmdtxt(const union node *n) +#else /* CMDTXT_TABLE */ +static void cmdtxt(const union node *n) { union node *np; struct nodelist *lp; @@ -7237,7 +7174,7 @@ cmdtxt(const union node *n) cmdtxt(n->nbinary.ch2); break; case NPIPE: - for (lp = n->npipe.cmdlist ; lp ; lp = lp->next) { + for (lp = n->npipe.cmdlist; lp; lp = lp->next) { cmdtxt(lp->n); if (lp->next) cmdputs(" | "); @@ -7264,7 +7201,7 @@ cmdtxt(const union node *n) goto until; case NUNTIL: cmdputs("until "); -until: + until: cmdtxt(n->nbinary.ch1); cmdputs("; do "); cmdtxt(n->nbinary.ch2); @@ -7285,12 +7222,12 @@ until: cmdputs("() ..."); break; case NCMD: - for (np = n->ncmd.args ; np ; np = np->narg.next) { + for (np = n->ncmd.args; np; np = np->narg.next) { cmdtxt(np); if (np->narg.next) cmdputs(spcstr); } - for (np = n->ncmd.redirect ; np ; np = np->nfile.next) { + for (np = n->ncmd.redirect; np; np = np->nfile.next) { cmdputs(spcstr); cmdtxt(np); } @@ -7299,20 +7236,34 @@ until: cmdputs(n->narg.text); break; case NTO: - p = ">"; i = 1; goto redir; + p = ">"; + i = 1; + goto redir; case NAPPEND: - p = ">>"; i = 1; goto redir; + p = ">>"; + i = 1; + goto redir; case NTOFD: - p = ">&"; i = 1; goto redir; + p = ">&"; + i = 1; + goto redir; case NTOOV: - p = ">|"; i = 1; goto redir; + p = ">|"; + i = 1; + goto redir; case NFROM: - p = "<"; i = 0; goto redir; + p = "<"; + i = 0; + goto redir; case NFROMFD: - p = "<&"; i = 0; goto redir; + p = "<&"; + i = 0; + goto redir; case NFROMTO: - p = "<>"; i = 0; goto redir; -redir: + p = "<>"; + i = 0; + goto redir; + redir: if (n->nfile.fd != i) { s[0] = n->nfile.fd + '0'; s[1] = '\0'; @@ -7336,10 +7287,9 @@ redir: break; } } -#endif /* CMDTXT_TABLE */ +#endif /* CMDTXT_TABLE */ -static char * -commandtext(const union node *n) +static char *commandtext(const union node *n) { char *name; @@ -7351,7 +7301,8 @@ commandtext(const union node *n) } -static void waitonint(int sig) { +static void waitonint(int sig) +{ intreceived = 1; } @@ -7365,8 +7316,8 @@ static void waitonint(int sig) { #define MAXMBOXES 10 -static int nmboxes; /* number of mailboxes */ -static time_t mailtime[MAXMBOXES]; /* times of mailboxes */ +static int nmboxes; /* number of mailboxes */ +static time_t mailtime[MAXMBOXES]; /* times of mailboxes */ @@ -7376,8 +7327,7 @@ static time_t mailtime[MAXMBOXES]; /* times of mailboxes */ * values. */ -static void -chkmail(int silent) +static void chkmail(int silent) { int i; const char *mpath; @@ -7392,23 +7342,22 @@ chkmail(int silent) return; setstackmark(&smark); mpath = mpathset()? mpathval() : mailval(); - for (i = 0 ; i < nmboxes ; i++) { + for (i = 0; i < nmboxes; i++) { p = padvance(&mpath, nullstr); if (p == NULL) break; if (*p == '\0') continue; - for (q = p ; *q ; q++); + for (q = p; *q; q++); #ifdef DEBUG if (q[-1] != '/') abort(); #endif - q[-1] = '\0'; /* delete trailing '/' */ + q[-1] = '\0'; /* delete trailing '/' */ if (stat(p, &statb) < 0) statb.st_size = 0; - if (statb.st_size > mailtime[i] && ! silent) { - out2fmt(snlfmt, - pathopt? pathopt : "you have mail"); + if (statb.st_size > mailtime[i] && !silent) { + out2fmt(snlfmt, pathopt ? pathopt : "you have mail"); } mailtime[i] = statb.st_size; } @@ -7416,7 +7365,7 @@ chkmail(int silent) popstackmark(&smark); } -#endif /* CONFIG_ASH_MAIL */ +#endif /* CONFIG_ASH_MAIL */ #define PROFILE 0 @@ -7427,11 +7376,11 @@ extern int etext(); static int isloginsh = 0; -static void read_profile (const char *); -static void cmdloop (int); -static void options (int); -static void setoption (int, int); -static void procargs (int, char **); +static void read_profile(const char *); +static void cmdloop(int); +static void options(int); +static void setoption(int, int); +static void procargs(int, char **); /* @@ -7442,8 +7391,7 @@ static void procargs (int, char **); * is used to figure out how far we had gotten. */ -int -ash_main(int argc, char **argv) +int ash_main(int argc, char **argv) { struct jmploc jmploc; struct stackmark smark; @@ -7484,15 +7432,15 @@ ash_main(int argc, char **argv) } else if (exception == EXERROR) { exitstatus = 2; } - if (state == 0 || iflag == 0 || ! rootshell) - exitshell(exitstatus); + if (state == 0 || iflag == 0 || !rootshell) + exitshell(exitstatus); } reset(); if (exception == EXINT) { out2c('\n'); } popstackmark(&smark); - FORCEINTON; /* enable interrupts */ + FORCEINTON; /* enable interrupts */ if (state == 1) goto state1; else if (state == 2) @@ -7505,7 +7453,8 @@ ash_main(int argc, char **argv) handler = &jmploc; #ifdef DEBUG opentrace(); - trputs("Shell args: "); trargs(argv); + trputs("Shell args: "); + trargs(argv); #endif rootpid = getpid(); rootshell = 1; @@ -7517,11 +7466,11 @@ ash_main(int argc, char **argv) if (isloginsh) { state = 1; read_profile("/etc/profile"); -state1: + state1: state = 2; read_profile(".profile"); } -state2: + state2: state = 3; #ifndef linux if (getuid() == geteuid() && getgid() == getegid()) { @@ -7533,28 +7482,29 @@ state2: #ifndef linux } #endif -state3: + state3: state = 4; if (sflag == 0 || minusc) { - static const char sigs[] = { - SIGINT, SIGQUIT, SIGHUP, + static const char sigs[] = { + SIGINT, SIGQUIT, SIGHUP, #ifdef SIGTSTP - SIGTSTP, + SIGTSTP, #endif - SIGPIPE + SIGPIPE }; -#define SIGSSIZE ((sizeof(sigs)/sizeof(sigs[0])) - 1) /* trailing nul */ + +#define SIGSSIZE ((sizeof(sigs)/sizeof(sigs[0])) - 1) /* trailing nul */ int i; for (i = 0; i < SIGSSIZE; i++) - setsignal(sigs[i]); + setsignal(sigs[i]); } if (minusc) evalstring(minusc, 0); if (sflag || minusc == NULL) { -state4: /* XXX ??? - why isn't this before the "if" statement */ + state4: /* XXX ??? - why isn't this before the "if" statement */ cmdloop(1); } #if PROFILE @@ -7570,8 +7520,7 @@ state4: /* XXX ??? - why isn't this before the "if" statement */ * loop; it turns on prompting if the shell is interactive. */ -static void -cmdloop(int top) +static void cmdloop(int top) { union node *n; struct stackmark smark; @@ -7624,8 +7573,7 @@ cmdloop(int top) * Read /etc/profile or .profile. Return on error. */ -static void -read_profile(const char *name) +static void read_profile(const char *name) { int fd; int xflag_save; @@ -7641,7 +7589,7 @@ read_profile(const char *name) /* Note: Might do a little redundant work, but reduces code size. */ xflag_save = xflag; vflag_save = vflag; - if (qflag) { + if (qflag) { vflag = xflag = 0; } cmdloop(0); @@ -7656,8 +7604,7 @@ read_profile(const char *name) * Read a file containing shell functions. */ -static void -readcmdfile(const char *name) +static void readcmdfile(const char *name) { int fd; @@ -7678,8 +7625,7 @@ readcmdfile(const char *name) * search for the file, which is necessary to find sub-commands. */ -static inline char * -find_dot_file(char *mybasename) +static inline char *find_dot_file(char *mybasename) { char *fullname; const char *path = pathval(); @@ -7705,24 +7651,24 @@ find_dot_file(char *mybasename) /* NOTREACHED */ } -static int -dotcmd(int argc, char **argv) +static int dotcmd(int argc, char **argv) { struct strlist *sp; volatile struct shparam saveparam; + exitstatus = 0; - for (sp = cmdenviron; sp ; sp = sp->next) - setvareq(xstrdup(sp->text), VSTRFIXED|VTEXTFIXED); + for (sp = cmdenviron; sp; sp = sp->next) + setvareq(xstrdup(sp->text), VSTRFIXED | VTEXTFIXED); - if (argc >= 2) { /* That's what SVR2 does */ + if (argc >= 2) { /* That's what SVR2 does */ char *fullname; struct stackmark smark; setstackmark(&smark); fullname = find_dot_file(argv[1]); - if (argc>2) { + if (argc > 2) { saveparam = shellparam; shellparam.malloc = 0; shellparam.nparam = argc - 2; @@ -7734,7 +7680,7 @@ dotcmd(int argc, char **argv) cmdloop(0); popfile(); - if (argc>2) { + if (argc > 2) { freeparam(&shellparam); shellparam = saveparam; }; @@ -7745,8 +7691,7 @@ dotcmd(int argc, char **argv) } -static int -exitcmd(int argc, char **argv) +static int exitcmd(int argc, char **argv) { if (stoppedjobs()) return 0; @@ -7758,8 +7703,7 @@ exitcmd(int argc, char **argv) /* NOTREACHED */ } -static pointer -stalloc(int nbytes) +static pointer stalloc(int nbytes) { char *p; @@ -7786,25 +7730,23 @@ stalloc(int nbytes) } -static void -stunalloc(pointer p) +static void stunalloc(pointer p) { #ifdef DEBUG - if (p == NULL) { /*DEBUG */ + if (p == NULL) { /*DEBUG */ write(2, "stunalloc\n", 10); abort(); } #endif - if (!(stacknxt >= (char *)p && (char *)p >= stackp->space)) { + if (!(stacknxt >= (char *) p && (char *) p >= stackp->space)) { p = stackp->space; } - stacknleft += stacknxt - (char *)p; + stacknleft += stacknxt - (char *) p; stacknxt = p; } -static void -setstackmark(struct stackmark *mark) +static void setstackmark(struct stackmark *mark) { mark->stackp = stackp; mark->stacknxt = stacknxt; @@ -7814,8 +7756,7 @@ setstackmark(struct stackmark *mark) } -static void -popstackmark(struct stackmark *mark) +static void popstackmark(struct stackmark *mark) { struct stack_block *sp; @@ -7842,8 +7783,8 @@ popstackmark(struct stackmark *mark) * part of the block that has been used. */ -static void -growstackblock(void) { +static void growstackblock(void) +{ char *p; int newlen = ALIGN(stacknleft * 2 + 100); char *oldspace = stacknxt; @@ -7856,37 +7797,38 @@ growstackblock(void) { oldstackp = stackp; sp = stackp; stackp = sp->prev; - sp = xrealloc((pointer)sp, sizeof(struct stack_block) - MINSIZE + newlen); + sp = xrealloc((pointer) sp, + sizeof(struct stack_block) - MINSIZE + newlen); sp->prev = stackp; stackp = sp; stacknxt = sp->space; stacknleft = newlen; { - /* Stack marks pointing to the start of the old block - * must be relocated to point to the new block - */ - struct stackmark *xmark; - xmark = markp; - while (xmark != NULL && xmark->stackp == oldstackp) { - xmark->stackp = stackp; - xmark->stacknxt = stacknxt; - xmark->stacknleft = stacknleft; - xmark = xmark->marknext; - } + /* Stack marks pointing to the start of the old block + * must be relocated to point to the new block + */ + struct stackmark *xmark; + + xmark = markp; + while (xmark != NULL && xmark->stackp == oldstackp) { + xmark->stackp = stackp; + xmark->stacknxt = stacknxt; + xmark->stacknleft = stacknleft; + xmark = xmark->marknext; + } } INTON; } else { p = stalloc(newlen); memcpy(p, oldspace, oldlen); - stacknxt = p; /* free the space */ - stacknleft += newlen; /* we just allocated */ + stacknxt = p; /* free the space */ + stacknleft += newlen; /* we just allocated */ } } -static inline void -grabstackblock(int len) +static inline void grabstackblock(int len) { len = ALIGN(len); stacknxt += len; @@ -7914,9 +7856,10 @@ grabstackblock(int len) */ -static char * -growstackstr(void) { +static char *growstackstr(void) +{ int len = stackblocksize(); + if (herefd >= 0 && len >= 1024) { xwrite(herefd, stackblock(), len); sstrnleft = len - 1; @@ -7932,9 +7875,10 @@ growstackstr(void) { * Called from CHECKSTRSPACE. */ -static char * -makestrspace(size_t newlen) { +static char *makestrspace(size_t newlen) +{ int len = stackblocksize() - sstrnleft; + do { growstackblock(); sstrnleft = stackblocksize() - len; @@ -7944,13 +7888,13 @@ makestrspace(size_t newlen) { -static void -ungrabstackstr(char *s, char *p) +static void ungrabstackstr(char *s, char *p) { stacknleft += stacknxt - s; stacknxt = s; sstrnleft = stacknleft - (p - s); } + /* * Miscelaneous builtins. */ @@ -7971,8 +7915,7 @@ typedef long rlim_t; * This uses unbuffered input, which may be avoidable in some cases. */ -static int -readcmd(int argc, char **argv) +static int readcmd(int argc, char **argv) { char **ap; int backslash; @@ -7994,7 +7937,7 @@ readcmd(int argc, char **argv) rflag = 1; } if (prompt && isatty(0)) { - out2str(prompt); /* read without cmdedit */ + out2str(prompt); /* read without cmdedit */ flushall(); } if (*(ap = argptr) == NULL) @@ -8056,8 +7999,7 @@ readcmd(int argc, char **argv) -static int -umaskcmd(int argc, char **argv) +static int umaskcmd(int argc, char **argv) { static const char permuser[3] = "ugo"; static const char permmode[3] = "rwx"; @@ -8085,12 +8027,14 @@ umaskcmd(int argc, char **argv) if (symbolic_mode) { char buf[18]; char *p = buf; - for (i=0 ; i<3 ; i++) { + + for (i = 0; i < 3; i++) { int j; + *p++ = permuser[i]; *p++ = '='; - for (j=0 ; j<3 ; j++) { - if ((mask & permmask[3*i+j]) == 0) { + for (j = 0; j < 3; j++) { + if ((mask & permmask[3 * i + j]) == 0) { *p++ = permmode[j]; } } @@ -8102,7 +8046,7 @@ umaskcmd(int argc, char **argv) printf("%.4o\n", mask); } } else { - if (is_digit((unsigned char)*ap)) { + if (is_digit((unsigned char) *ap)) { mask = 0; do { if (*ap >= '8' || *ap < '0') @@ -8112,7 +8056,7 @@ umaskcmd(int argc, char **argv) umask(mask); } else { mask = ~mask & 0777; - if (! parse_mode(ap, &mask)) { + if (!parse_mode(ap, &mask)) { error("Illegal mode: %s", ap); } umask(~mask & 0777); @@ -8133,97 +8077,95 @@ umaskcmd(int argc, char **argv) struct limits { const char *name; - short cmd; - short factor; /* multiply by to get rlim_{cur,max} values */ + short cmd; + short factor; /* multiply by to get rlim_{cur,max} values */ }; static const struct limits limits[] = { #ifdef RLIMIT_CPU - { "time(seconds)", RLIMIT_CPU, 1 }, + {"time(seconds)", RLIMIT_CPU, 1}, #endif #ifdef RLIMIT_FSIZE - { "file(blocks)", RLIMIT_FSIZE, 512 }, + {"file(blocks)", RLIMIT_FSIZE, 512}, #endif #ifdef RLIMIT_DATA - { "data(kbytes)", RLIMIT_DATA, 1024 }, + {"data(kbytes)", RLIMIT_DATA, 1024}, #endif #ifdef RLIMIT_STACK - { "stack(kbytes)", RLIMIT_STACK, 1024 }, + {"stack(kbytes)", RLIMIT_STACK, 1024}, #endif #ifdef RLIMIT_CORE - { "coredump(blocks)", RLIMIT_CORE, 512 }, + {"coredump(blocks)", RLIMIT_CORE, 512}, #endif #ifdef RLIMIT_RSS - { "memory(kbytes)", RLIMIT_RSS, 1024 }, + {"memory(kbytes)", RLIMIT_RSS, 1024}, #endif #ifdef RLIMIT_MEMLOCK - { "locked memory(kbytes)", RLIMIT_MEMLOCK, 1024 }, + {"locked memory(kbytes)", RLIMIT_MEMLOCK, 1024}, #endif #ifdef RLIMIT_NPROC - { "process(processes)", RLIMIT_NPROC, 1 }, + {"process(processes)", RLIMIT_NPROC, 1}, #endif #ifdef RLIMIT_NOFILE - { "nofiles(descriptors)", RLIMIT_NOFILE, 1 }, + {"nofiles(descriptors)", RLIMIT_NOFILE, 1}, #endif #ifdef RLIMIT_VMEM - { "vmemory(kbytes)", RLIMIT_VMEM, 1024 }, + {"vmemory(kbytes)", RLIMIT_VMEM, 1024}, #endif #ifdef RLIMIT_SWAP - { "swap(kbytes)", RLIMIT_SWAP, 1024 }, + {"swap(kbytes)", RLIMIT_SWAP, 1024}, #endif - { NULL, 0, 0 } + {NULL, 0, 0} }; -static int -ulimitcmd(int argc, char **argv) +static int ulimitcmd(int argc, char **argv) { static const char unlimited_string[] = "unlimited"; - int c; + int c; rlim_t val = 0; - enum { SOFT = 0x1, HARD = 0x2 } - how = SOFT | HARD; - const struct limits *l; - int set, all = 0; - int optc, what; - struct rlimit limit; + enum { SOFT = 0x1, HARD = 0x2 } how = SOFT | HARD; + const struct limits *l; + int set, all = 0; + int optc, what; + struct rlimit limit; what = 'f'; while ((optc = nextopt("HSa" #ifdef RLIMIT_CPU - "t" + "t" #endif #ifdef RLIMIT_FSIZE - "f" + "f" #endif #ifdef RLIMIT_DATA - "d" + "d" #endif #ifdef RLIMIT_STACK - "s" + "s" #endif #ifdef RLIMIT_CORE - "c" + "c" #endif #ifdef RLIMIT_RSS - "m" + "m" #endif #ifdef RLIMIT_MEMLOCK - "l" + "l" #endif #ifdef RLIMIT_NPROC - "p" + "p" #endif #ifdef RLIMIT_NOFILE - "n" + "n" #endif #ifdef RLIMIT_VMEM - "v" + "v" #endif #ifdef RLIMIT_SWAP - "w" + "w" #endif - )) != '\0') { + )) != '\0') { if (optc == 'H') { how = HARD; } else if (optc == 'S') { @@ -8236,9 +8178,9 @@ ulimitcmd(int argc, char **argv) } for (l = limits; l->name; l++) { - if(l->name[0] == what) + if (l->name[0] == what) break; - if(l->name[1]=='w' && what=='w') + if (l->name[1] == 'w' && what == 'w') break; } @@ -8253,9 +8195,8 @@ ulimitcmd(int argc, char **argv) else { val = (rlim_t) 0; - while ((c = *p++) >= '0' && c <= '9') - { - val = (val * 10) + (long)(c - '0'); + while ((c = *p++) >= '0' && c <= '9') { + val = (val * 10) + (long) (c - '0'); if (val < (rlim_t) 0) break; } @@ -8269,7 +8210,7 @@ ulimitcmd(int argc, char **argv) for (l = limits; l->name; l++) { printf("%-20s ", l->name); getrlimit(l->cmd, &limit); - OUTPUT_LIMIT: + OUTPUT_LIMIT: if (how & SOFT) val = limit.rlim_cur; else if (how & HARD) @@ -8277,8 +8218,7 @@ ulimitcmd(int argc, char **argv) if (val == RLIM_INFINITY) puts(unlimited_string); - else - { + else { val /= l->factor; printf("%lld\n", (long long) val); } @@ -8302,12 +8242,12 @@ ulimitcmd(int argc, char **argv) error("error setting limit (%m)"); return 0; } + /* * prefix -- see if pfx is a prefix of string. */ -static int -prefix(char const *pfx, char const *string) +static int prefix(char const *pfx, char const *string) { while (*pfx) { if (*pfx++ != *string++) @@ -8321,13 +8261,12 @@ prefix(char const *pfx, char const *string) * nagative is bad */ -static int -is_number(const char *p, int *intptr) +static int is_number(const char *p, int *intptr) { int ret = 0; do { - if (! is_digit(*p)) + if (!is_digit(*p)) return 0; ret *= 10; ret += digit_val(*p); @@ -8343,11 +8282,11 @@ is_number(const char *p, int *intptr) * failure. */ -static int -number(const char *s) +static int number(const char *s) { int i; - if (! is_number(s, &i)) + + if (!is_number(s, &i)) error("Illegal number: %s", s); return i; } @@ -8357,8 +8296,7 @@ number(const char *s) * The return string is allocated on the stack. */ -static char * -single_quote(const char *s) +static char *single_quote(const char *s) { char *p; @@ -8408,10 +8346,10 @@ single_quote(const char *s) * Like strdup but works with the ash stack. */ -static char * -sstrdup(const char *p) +static char *sstrdup(const char *p) { size_t len = strlen(p) + 1; + return memcpy(stalloc(len), p, len); } @@ -8421,9 +8359,9 @@ sstrdup(const char *p) */ -static void sizenodelist (const struct nodelist *); -static struct nodelist *copynodelist (const struct nodelist *); -static char *nodexstrdup (const char *); +static void sizenodelist(const struct nodelist *); +static struct nodelist *copynodelist(const struct nodelist *); +static char *nodexstrdup(const char *); #define CALCSIZE_TABLE #define COPYNODE_TABLE @@ -8451,59 +8389,59 @@ static char *nodexstrdup (const char *); #define NODE_INTEGER 0x40 #define NODE_NODELIST 0x80 #define NODE_CHARPTR 0xC0 -#define NODE_NOMORE 0x01 /* Note: no offset should be odd (aligned)*/ +#define NODE_NOMORE 0x01 /* Note: no offset should be odd (aligned) */ #define NODE_MBRMASK 0xC0 #define NODE_OFFSETMASK 0x3E static const unsigned char copynode_ops[35] = { #define COPYNODE_OPS0 0 offsetof(union node, nbinary.ch2), - offsetof(union node, nbinary.ch1)|NODE_NOMORE, + offsetof(union node, nbinary.ch1) | NODE_NOMORE, #define COPYNODE_OPS1 (COPYNODE_OPS0 + 2) offsetof(union node, ncmd.redirect), offsetof(union node, ncmd.args), offsetof(union node, ncmd.assign), - offsetof(union node, ncmd.backgnd)|NODE_INTEGER|NODE_NOMORE, + offsetof(union node, ncmd.backgnd) | NODE_INTEGER | NODE_NOMORE, #define COPYNODE_OPS2 (COPYNODE_OPS1 + 4) - offsetof(union node, npipe.cmdlist)|NODE_NODELIST, - offsetof(union node, npipe.backgnd)|NODE_INTEGER|NODE_NOMORE, + offsetof(union node, npipe.cmdlist) | NODE_NODELIST, + offsetof(union node, npipe.backgnd) | NODE_INTEGER | NODE_NOMORE, #define COPYNODE_OPS3 (COPYNODE_OPS2 + 2) offsetof(union node, nredir.redirect), - offsetof(union node, nredir.n)|NODE_NOMORE, + offsetof(union node, nredir.n) | NODE_NOMORE, #define COPYNODE_OPS4 (COPYNODE_OPS3 + 2) offsetof(union node, nif.elsepart), offsetof(union node, nif.ifpart), - offsetof(union node, nif.test)|NODE_NOMORE, + offsetof(union node, nif.test) | NODE_NOMORE, #define COPYNODE_OPS5 (COPYNODE_OPS4 + 3) - offsetof(union node, nfor.var)|NODE_CHARPTR, + offsetof(union node, nfor.var) | NODE_CHARPTR, offsetof(union node, nfor.body), - offsetof(union node, nfor.args)|NODE_NOMORE, + offsetof(union node, nfor.args) | NODE_NOMORE, #define COPYNODE_OPS6 (COPYNODE_OPS5 + 3) offsetof(union node, ncase.cases), - offsetof(union node, ncase.expr)|NODE_NOMORE, + offsetof(union node, ncase.expr) | NODE_NOMORE, #define COPYNODE_OPS7 (COPYNODE_OPS6 + 2) offsetof(union node, nclist.body), offsetof(union node, nclist.pattern), - offsetof(union node, nclist.next)|NODE_NOMORE, + offsetof(union node, nclist.next) | NODE_NOMORE, #define COPYNODE_OPS8 (COPYNODE_OPS7 + 3) - offsetof(union node, narg.backquote)|NODE_NODELIST, - offsetof(union node, narg.text)|NODE_CHARPTR, - offsetof(union node, narg.next)|NODE_NOMORE, + offsetof(union node, narg.backquote) | NODE_NODELIST, + offsetof(union node, narg.text) | NODE_CHARPTR, + offsetof(union node, narg.next) | NODE_NOMORE, #define COPYNODE_OPS9 (COPYNODE_OPS8 + 3) offsetof(union node, nfile.fname), - offsetof(union node, nfile.fd)|NODE_INTEGER, - offsetof(union node, nfile.next)|NODE_NOMORE, + offsetof(union node, nfile.fd) | NODE_INTEGER, + offsetof(union node, nfile.next) | NODE_NOMORE, #define COPYNODE_OPS10 (COPYNODE_OPS9 + 3) offsetof(union node, ndup.vname), - offsetof(union node, ndup.dupfd)|NODE_INTEGER, - offsetof(union node, ndup.fd)|NODE_INTEGER, - offsetof(union node, ndup.next)|NODE_NOMORE, + offsetof(union node, ndup.dupfd) | NODE_INTEGER, + offsetof(union node, ndup.fd) | NODE_INTEGER, + offsetof(union node, ndup.next) | NODE_NOMORE, #define COPYNODE_OPS11 (COPYNODE_OPS10 + 4) offsetof(union node, nhere.doc), - offsetof(union node, nhere.fd)|NODE_INTEGER, - offsetof(union node, nhere.next)|NODE_NOMORE, + offsetof(union node, nhere.fd) | NODE_INTEGER, + offsetof(union node, nhere.next) | NODE_NOMORE, #define COPYNODE_OPS12 (COPYNODE_OPS11 + 3) - offsetof(union node, nnot.com)|NODE_NOMORE, + offsetof(union node, nnot.com) | NODE_NOMORE, }; #if COPYNODE_OPS12 != 34 @@ -8511,266 +8449,261 @@ static const unsigned char copynode_ops[35] = { #endif static const unsigned char copynode_ops_index[26] = { - COPYNODE_OPS0, /* NSEMI */ - COPYNODE_OPS1, /* NCMD */ - COPYNODE_OPS2, /* NPIPE */ - COPYNODE_OPS3, /* NREDIR */ - COPYNODE_OPS3, /* NBACKGND */ - COPYNODE_OPS3, /* NSUBSHELL */ - COPYNODE_OPS0, /* NAND */ - COPYNODE_OPS0, /* NOR */ - COPYNODE_OPS4, /* NIF */ - COPYNODE_OPS0, /* NWHILE */ - COPYNODE_OPS0, /* NUNTIL */ - COPYNODE_OPS5, /* NFOR */ - COPYNODE_OPS6, /* NCASE */ - COPYNODE_OPS7, /* NCLIST */ - COPYNODE_OPS8, /* NDEFUN */ - COPYNODE_OPS8, /* NARG */ - COPYNODE_OPS9, /* NTO */ - COPYNODE_OPS9, /* NFROM */ - COPYNODE_OPS9, /* NFROMTO */ - COPYNODE_OPS9, /* NAPPEND */ - COPYNODE_OPS9, /* NTOOV */ - COPYNODE_OPS10, /* NTOFD */ - COPYNODE_OPS10, /* NFROMFD */ - COPYNODE_OPS11, /* NHERE */ - COPYNODE_OPS11, /* NXHERE */ - COPYNODE_OPS12, /* NNOT */ + COPYNODE_OPS0, /* NSEMI */ + COPYNODE_OPS1, /* NCMD */ + COPYNODE_OPS2, /* NPIPE */ + COPYNODE_OPS3, /* NREDIR */ + COPYNODE_OPS3, /* NBACKGND */ + COPYNODE_OPS3, /* NSUBSHELL */ + COPYNODE_OPS0, /* NAND */ + COPYNODE_OPS0, /* NOR */ + COPYNODE_OPS4, /* NIF */ + COPYNODE_OPS0, /* NWHILE */ + COPYNODE_OPS0, /* NUNTIL */ + COPYNODE_OPS5, /* NFOR */ + COPYNODE_OPS6, /* NCASE */ + COPYNODE_OPS7, /* NCLIST */ + COPYNODE_OPS8, /* NDEFUN */ + COPYNODE_OPS8, /* NARG */ + COPYNODE_OPS9, /* NTO */ + COPYNODE_OPS9, /* NFROM */ + COPYNODE_OPS9, /* NFROMTO */ + COPYNODE_OPS9, /* NAPPEND */ + COPYNODE_OPS9, /* NTOOV */ + COPYNODE_OPS10, /* NTOFD */ + COPYNODE_OPS10, /* NFROMFD */ + COPYNODE_OPS11, /* NHERE */ + COPYNODE_OPS11, /* NXHERE */ + COPYNODE_OPS12, /* NNOT */ }; #if NODE_CHARPTR != NODE_MBRMASK #error NODE_CHARPTR != NODE_MBRMASK!!! #endif -#endif /* defined(CALCSIZE_TABLE) || defined(COPYNODE_TABLE) */ +#endif /* defined(CALCSIZE_TABLE) || defined(COPYNODE_TABLE) */ #ifdef COPYNODE_TABLE -static union node * -copynode(const union node *n) -{ - union node *new; - const unsigned char *p; - - if (n == NULL) { - return NULL; - } - new = funcblock; - new->type = n->type; - funcblock = (char *) funcblock + (int) nodesize[n->type]; - p = copynode_ops + (int) copynode_ops_index[n->type]; - do { - char *nn = ((char *) new) + ((int)(*p & NODE_OFFSETMASK)); - const char *no = ((const char *) n) + ((int)(*p & NODE_OFFSETMASK)); - - if (!(*p & NODE_MBRMASK)) { /* standard node */ - *((union node **)nn) = copynode(*((const union node **) no)); - } else if ((*p & NODE_MBRMASK) == NODE_CHARPTR) { /* string */ - *((const char **)nn) = nodexstrdup(*((const char **)no)); - } else if (*p & NODE_NODELIST) { /* nodelist */ - *((struct nodelist **)nn) - = copynodelist(*((const struct nodelist **) no)); - } else { /* integer */ - *((int *) nn) = *((int *) no); - } - } while (!(*p++ & NODE_NOMORE)); - return new; -} -#else /* COPYNODE_TABLE */ -static union node * -copynode(const union node *n) -{ - union node *new; - - if (n == NULL) - return NULL; - new = funcblock; - funcblock = (char *) funcblock + nodesize[n->type]; - switch (n->type) { - case NSEMI: - case NAND: - case NOR: - case NWHILE: - case NUNTIL: - new->nbinary.ch2 = copynode(n->nbinary.ch2); - new->nbinary.ch1 = copynode(n->nbinary.ch1); - break; - case NCMD: - new->ncmd.redirect = copynode(n->ncmd.redirect); - new->ncmd.args = copynode(n->ncmd.args); - new->ncmd.assign = copynode(n->ncmd.assign); - new->ncmd.backgnd = n->ncmd.backgnd; - break; - case NPIPE: - new->npipe.cmdlist = copynodelist(n->npipe.cmdlist); - new->npipe.backgnd = n->npipe.backgnd; - break; - case NREDIR: - case NBACKGND: - case NSUBSHELL: - new->nredir.redirect = copynode(n->nredir.redirect); - new->nredir.n = copynode(n->nredir.n); - break; - case NIF: - new->nif.elsepart = copynode(n->nif.elsepart); - new->nif.ifpart = copynode(n->nif.ifpart); - new->nif.test = copynode(n->nif.test); - break; - case NFOR: - new->nfor.var = nodexstrdup(n->nfor.var); - new->nfor.body = copynode(n->nfor.body); - new->nfor.args = copynode(n->nfor.args); - break; - case NCASE: - new->ncase.cases = copynode(n->ncase.cases); - new->ncase.expr = copynode(n->ncase.expr); - break; - case NCLIST: - new->nclist.body = copynode(n->nclist.body); - new->nclist.pattern = copynode(n->nclist.pattern); - new->nclist.next = copynode(n->nclist.next); - break; - case NDEFUN: - case NARG: - new->narg.backquote = copynodelist(n->narg.backquote); - new->narg.text = nodexstrdup(n->narg.text); - new->narg.next = copynode(n->narg.next); - break; - case NTO: - case NFROM: - case NFROMTO: - case NAPPEND: - case NTOOV: - new->nfile.fname = copynode(n->nfile.fname); - new->nfile.fd = n->nfile.fd; - new->nfile.next = copynode(n->nfile.next); - break; - case NTOFD: - case NFROMFD: - new->ndup.vname = copynode(n->ndup.vname); - new->ndup.dupfd = n->ndup.dupfd; - new->ndup.fd = n->ndup.fd; - new->ndup.next = copynode(n->ndup.next); - break; - case NHERE: - case NXHERE: - new->nhere.doc = copynode(n->nhere.doc); - new->nhere.fd = n->nhere.fd; - new->nhere.next = copynode(n->nhere.next); - break; - case NNOT: - new->nnot.com = copynode(n->nnot.com); - break; - }; - new->type = n->type; - return new; -} -#endif /* COPYNODE_TABLE */ +static union node *copynode(const union node *n) +{ + union node *new; + const unsigned char *p; + + if (n == NULL) { + return NULL; + } + new = funcblock; + new->type = n->type; + funcblock = (char *) funcblock + (int) nodesize[n->type]; + p = copynode_ops + (int) copynode_ops_index[n->type]; + do { + char *nn = ((char *) new) + ((int) (*p & NODE_OFFSETMASK)); + const char *no = ((const char *) n) + ((int) (*p & NODE_OFFSETMASK)); + + if (!(*p & NODE_MBRMASK)) { /* standard node */ + *((union node **) nn) = copynode(*((const union node **) no)); + } else if ((*p & NODE_MBRMASK) == NODE_CHARPTR) { /* string */ + *((const char **) nn) = nodexstrdup(*((const char **) no)); + } else if (*p & NODE_NODELIST) { /* nodelist */ + *((struct nodelist **) nn) + = copynodelist(*((const struct nodelist **) no)); + } else { /* integer */ + *((int *) nn) = *((int *) no); + } + } while (!(*p++ & NODE_NOMORE)); + return new; +} +#else /* COPYNODE_TABLE */ +static union node *copynode(const union node *n) +{ + union node *new; + + if (n == NULL) + return NULL; + new = funcblock; + funcblock = (char *) funcblock + nodesize[n->type]; + switch (n->type) { + case NSEMI: + case NAND: + case NOR: + case NWHILE: + case NUNTIL: + new->nbinary.ch2 = copynode(n->nbinary.ch2); + new->nbinary.ch1 = copynode(n->nbinary.ch1); + break; + case NCMD: + new->ncmd.redirect = copynode(n->ncmd.redirect); + new->ncmd.args = copynode(n->ncmd.args); + new->ncmd.assign = copynode(n->ncmd.assign); + new->ncmd.backgnd = n->ncmd.backgnd; + break; + case NPIPE: + new->npipe.cmdlist = copynodelist(n->npipe.cmdlist); + new->npipe.backgnd = n->npipe.backgnd; + break; + case NREDIR: + case NBACKGND: + case NSUBSHELL: + new->nredir.redirect = copynode(n->nredir.redirect); + new->nredir.n = copynode(n->nredir.n); + break; + case NIF: + new->nif.elsepart = copynode(n->nif.elsepart); + new->nif.ifpart = copynode(n->nif.ifpart); + new->nif.test = copynode(n->nif.test); + break; + case NFOR: + new->nfor.var = nodexstrdup(n->nfor.var); + new->nfor.body = copynode(n->nfor.body); + new->nfor.args = copynode(n->nfor.args); + break; + case NCASE: + new->ncase.cases = copynode(n->ncase.cases); + new->ncase.expr = copynode(n->ncase.expr); + break; + case NCLIST: + new->nclist.body = copynode(n->nclist.body); + new->nclist.pattern = copynode(n->nclist.pattern); + new->nclist.next = copynode(n->nclist.next); + break; + case NDEFUN: + case NARG: + new->narg.backquote = copynodelist(n->narg.backquote); + new->narg.text = nodexstrdup(n->narg.text); + new->narg.next = copynode(n->narg.next); + break; + case NTO: + case NFROM: + case NFROMTO: + case NAPPEND: + case NTOOV: + new->nfile.fname = copynode(n->nfile.fname); + new->nfile.fd = n->nfile.fd; + new->nfile.next = copynode(n->nfile.next); + break; + case NTOFD: + case NFROMFD: + new->ndup.vname = copynode(n->ndup.vname); + new->ndup.dupfd = n->ndup.dupfd; + new->ndup.fd = n->ndup.fd; + new->ndup.next = copynode(n->ndup.next); + break; + case NHERE: + case NXHERE: + new->nhere.doc = copynode(n->nhere.doc); + new->nhere.fd = n->nhere.fd; + new->nhere.next = copynode(n->nhere.next); + break; + case NNOT: + new->nnot.com = copynode(n->nnot.com); + break; + }; + new->type = n->type; + return new; +} +#endif /* COPYNODE_TABLE */ #ifdef CALCSIZE_TABLE -static void -calcsize(const union node *n) +static void calcsize(const union node *n) { - const unsigned char *p; + const unsigned char *p; - if (n == NULL) - return; - funcblocksize += (int) nodesize[n->type]; + if (n == NULL) + return; + funcblocksize += (int) nodesize[n->type]; - p = copynode_ops + (int) copynode_ops_index[n->type]; - do { - const char *no = ((const char *) n) + ((int)(*p & NODE_OFFSETMASK)); + p = copynode_ops + (int) copynode_ops_index[n->type]; + do { + const char *no = ((const char *) n) + ((int) (*p & NODE_OFFSETMASK)); - if (!(*p & NODE_MBRMASK)) { /* standard node */ - calcsize(*((const union node **) no)); - } else if ((*p & NODE_MBRMASK) == NODE_CHARPTR) { /* string */ - funcstringsize += strlen(*((const char **)no)) + 1; - } else if (*p & NODE_NODELIST) { /* nodelist */ - sizenodelist(*((const struct nodelist **) no)); - } /* else integer -- ignore */ - } while (!(*p++ & NODE_NOMORE)); + if (!(*p & NODE_MBRMASK)) { /* standard node */ + calcsize(*((const union node **) no)); + } else if ((*p & NODE_MBRMASK) == NODE_CHARPTR) { /* string */ + funcstringsize += strlen(*((const char **) no)) + 1; + } else if (*p & NODE_NODELIST) { /* nodelist */ + sizenodelist(*((const struct nodelist **) no)); + } /* else integer -- ignore */ + } while (!(*p++ & NODE_NOMORE)); } -#else /* CALCSIZE_TABLE */ -static void -calcsize(const union node *n) -{ - if (n == NULL) - return; - funcblocksize += nodesize[n->type]; - switch (n->type) { - case NSEMI: - case NAND: - case NOR: - case NWHILE: - case NUNTIL: - calcsize(n->nbinary.ch2); - calcsize(n->nbinary.ch1); - break; - case NCMD: - calcsize(n->ncmd.redirect); - calcsize(n->ncmd.args); - calcsize(n->ncmd.assign); - break; - case NPIPE: - sizenodelist(n->npipe.cmdlist); - break; - case NREDIR: - case NBACKGND: - case NSUBSHELL: - calcsize(n->nredir.redirect); - calcsize(n->nredir.n); - break; - case NIF: - calcsize(n->nif.elsepart); - calcsize(n->nif.ifpart); - calcsize(n->nif.test); - break; - case NFOR: - funcstringsize += strlen(n->nfor.var) + 1; - calcsize(n->nfor.body); - calcsize(n->nfor.args); - break; - case NCASE: - calcsize(n->ncase.cases); - calcsize(n->ncase.expr); - break; - case NCLIST: - calcsize(n->nclist.body); - calcsize(n->nclist.pattern); - calcsize(n->nclist.next); - break; - case NDEFUN: - case NARG: - sizenodelist(n->narg.backquote); - funcstringsize += strlen(n->narg.text) + 1; - calcsize(n->narg.next); - break; - case NTO: - case NFROM: - case NFROMTO: - case NAPPEND: - case NTOOV: - calcsize(n->nfile.fname); - calcsize(n->nfile.next); - break; - case NTOFD: - case NFROMFD: - calcsize(n->ndup.vname); - calcsize(n->ndup.next); - break; - case NHERE: - case NXHERE: - calcsize(n->nhere.doc); - calcsize(n->nhere.next); - break; - case NNOT: - calcsize(n->nnot.com); - break; - }; -} -#endif /* CALCSIZE_TABLE */ +#else /* CALCSIZE_TABLE */ +static void calcsize(const union node *n) +{ + if (n == NULL) + return; + funcblocksize += nodesize[n->type]; + switch (n->type) { + case NSEMI: + case NAND: + case NOR: + case NWHILE: + case NUNTIL: + calcsize(n->nbinary.ch2); + calcsize(n->nbinary.ch1); + break; + case NCMD: + calcsize(n->ncmd.redirect); + calcsize(n->ncmd.args); + calcsize(n->ncmd.assign); + break; + case NPIPE: + sizenodelist(n->npipe.cmdlist); + break; + case NREDIR: + case NBACKGND: + case NSUBSHELL: + calcsize(n->nredir.redirect); + calcsize(n->nredir.n); + break; + case NIF: + calcsize(n->nif.elsepart); + calcsize(n->nif.ifpart); + calcsize(n->nif.test); + break; + case NFOR: + funcstringsize += strlen(n->nfor.var) + 1; + calcsize(n->nfor.body); + calcsize(n->nfor.args); + break; + case NCASE: + calcsize(n->ncase.cases); + calcsize(n->ncase.expr); + break; + case NCLIST: + calcsize(n->nclist.body); + calcsize(n->nclist.pattern); + calcsize(n->nclist.next); + break; + case NDEFUN: + case NARG: + sizenodelist(n->narg.backquote); + funcstringsize += strlen(n->narg.text) + 1; + calcsize(n->narg.next); + break; + case NTO: + case NFROM: + case NFROMTO: + case NAPPEND: + case NTOOV: + calcsize(n->nfile.fname); + calcsize(n->nfile.next); + break; + case NTOFD: + case NFROMFD: + calcsize(n->ndup.vname); + calcsize(n->ndup.next); + break; + case NHERE: + case NXHERE: + calcsize(n->nhere.doc); + calcsize(n->nhere.next); + break; + case NNOT: + calcsize(n->nnot.com); + break; + }; +} +#endif /* CALCSIZE_TABLE */ -static void -sizenodelist(const struct nodelist *lp) +static void sizenodelist(const struct nodelist *lp) { while (lp) { funcblocksize += ALIGN(sizeof(struct nodelist)); @@ -8780,8 +8713,7 @@ sizenodelist(const struct nodelist *lp) } -static struct nodelist * -copynodelist(const struct nodelist *lp) +static struct nodelist *copynodelist(const struct nodelist *lp) { struct nodelist *start; struct nodelist **lpp; @@ -8799,12 +8731,11 @@ copynodelist(const struct nodelist *lp) } -static char * -nodexstrdup(const char *s) +static char *nodexstrdup(const char *s) { const char *p = s; char *q = funcstring; - char *rtn = funcstring; + char *rtn = funcstring; while ((*q++ = *p++) != '\0') continue; @@ -8813,15 +8744,14 @@ nodexstrdup(const char *s) } #ifdef CONFIG_ASH_GETOPTS -static int getopts (char *, char *, char **, int *, int *); +static int getopts(char *, char *, char **, int *, int *); #endif /* * Process the shell command line arguments. */ -static void -procargs(int argc, char **argv) +static void procargs(int argc, char **argv) { int i; @@ -8869,8 +8799,7 @@ procargs(int argc, char **argv) * to the argument list; we advance it past the options. */ -static inline void -minus_o(const char *name, int val) +static inline void minus_o(const char *name, int val) { int i; @@ -8878,7 +8807,7 @@ minus_o(const char *name, int val) out1str("Current option settings\n"); for (i = 0; i < NOPTS; i++) printf("%-16s%s\n", optent_name(optlist[i]), - optent_val(i) ? "on" : "off"); + optent_val(i) ? "on" : "off"); } else { for (i = 0; i < NOPTS; i++) if (equal(name, optent_name(optlist[i]))) { @@ -8890,8 +8819,7 @@ minus_o(const char *name, int val) } -static void -options(int cmdline) +static void options(int cmdline) { char *p; int val; @@ -8912,7 +8840,7 @@ options(int cmdline) else if (*argptr == NULL) setparam(argptr); } - break; /* "-" or "--" terminates options */ + break; /* "-" or "--" terminates options */ } } else if (c == '+') { val = 0; @@ -8923,7 +8851,8 @@ options(int cmdline) while ((c = *p++) != '\0') { if (c == 'c' && cmdline) { char *q; -#ifdef NOHACK /* removing this code allows sh -ce 'foo' for compat */ + +#ifdef NOHACK /* removing this code allows sh -ce 'foo' for compat */ if (*p == '\0') #endif q = *argptr++; @@ -8937,8 +8866,8 @@ options(int cmdline) minus_o(*argptr, val); if (*argptr) argptr++; - } else if (cmdline && (c == '-')) { // long options - if ( strcmp ( p, "login" ) == 0 ) + } else if (cmdline && (c == '-')) { /* long options */ + if (strcmp(p, "login") == 0) isloginsh = 1; break; } else { @@ -8949,8 +8878,7 @@ options(int cmdline) } -static void -setoption(int flag, int val) +static void setoption(int flag, int val) { int i; @@ -8976,14 +8904,13 @@ setoption(int flag, int val) * Set the shell parameters. */ -static void -setparam(char **argv) +static void setparam(char **argv) { char **newparam; char **ap; int nparam; - for (nparam = 0 ; argv[nparam] ; nparam++); + for (nparam = 0; argv[nparam]; nparam++); ap = newparam = xmalloc((nparam + 1) * sizeof *ap); while (*argv) { *ap++ = xstrdup(*argv++); @@ -9002,13 +8929,12 @@ setparam(char **argv) * Free the list of positional parameters. */ -static void -freeparam(volatile struct shparam *param) +static void freeparam(volatile struct shparam *param) { char **ap; if (param->malloc) { - for (ap = param->p ; *ap ; ap++) + for (ap = param->p; *ap; ap++) free(*ap); free(param->p); } @@ -9020,8 +8946,7 @@ freeparam(volatile struct shparam *param) * The shift builtin command. */ -static int -shiftcmd(int argc, char **argv) +static int shiftcmd(int argc, char **argv) { int n; char **ap1, **ap2; @@ -9033,7 +8958,7 @@ shiftcmd(int argc, char **argv) error("can't shift that many"); INTOFF; shellparam.nparam -= n; - for (ap1 = shellparam.p ; --n >= 0 ; ap1++) { + for (ap1 = shellparam.p; --n >= 0; ap1++) { if (shellparam.malloc) free(*ap1); } @@ -9051,8 +8976,7 @@ shiftcmd(int argc, char **argv) * The set command builtin. */ -static int -setcmd(int argc, char **argv) +static int setcmd(int argc, char **argv) { if (argc == 1) return showvarscmd(argc, argv); @@ -9067,8 +8991,7 @@ setcmd(int argc, char **argv) } -static void -getoptsreset(const char *value) +static void getoptsreset(const char *value) { shellparam.optind = number(value); shellparam.optoff = -1; @@ -9077,13 +9000,13 @@ getoptsreset(const char *value) #ifdef CONFIG_LOCALE_SUPPORT static void change_lc_all(const char *value) { - if(value != 0 && *value != 0) + if (value != 0 && *value != 0) setlocale(LC_ALL, value); } static void change_lc_ctype(const char *value) { - if(value != 0 && *value != 0) + if (value != 0 && *value != 0) setlocale(LC_CTYPE, value); } @@ -9097,8 +9020,7 @@ static void change_lc_ctype(const char *value) * then it's the first time getopts has been called. */ -static int -getoptscmd(int argc, char **argv) +static int getoptscmd(int argc, char **argv) { char **optbase; @@ -9110,8 +9032,7 @@ getoptscmd(int argc, char **argv) shellparam.optind = 1; shellparam.optoff = -1; } - } - else { + } else { optbase = &argv[3]; if (shellparam.optind > argc - 2) { shellparam.optind = 1; @@ -9120,19 +9041,19 @@ getoptscmd(int argc, char **argv) } return getopts(argv[1], argv[2], optbase, &shellparam.optind, - &shellparam.optoff); + &shellparam.optoff); } /* * Safe version of setvar, returns 1 on success 0 on failure. */ -static int -setvarsafe(const char *name, const char *val, int flags) +static int setvarsafe(const char *name, const char *val, int flags) { struct jmploc jmploc; struct jmploc *volatile savehandler = handler; int err = 0; + #ifdef __GNUC__ (void) &err; #endif @@ -9148,7 +9069,8 @@ setvarsafe(const char *name, const char *val, int flags) } static int -getopts(char *optstr, char *optvar, char **optfirst, int *myoptind, int *optoff) +getopts(char *optstr, char *optvar, char **optfirst, int *myoptind, + int *optoff) { char *p, *q; char c = '?'; @@ -9158,7 +9080,7 @@ getopts(char *optstr, char *optvar, char **optfirst, int *myoptind, int *optoff) char **optnext = optfirst + *myoptind - 1; if (*myoptind <= 1 || *optoff < 0 || !(*(optnext - 1)) || - strlen(*(optnext - 1)) < *optoff) + strlen(*(optnext - 1)) < *optoff) p = NULL; else p = *(optnext - 1) + *optoff; @@ -9168,26 +9090,25 @@ getopts(char *optstr, char *optvar, char **optfirst, int *myoptind, int *optoff) return 1; p = *optnext; if (p == NULL || *p != '-' || *++p == '\0') { -atend: + atend: *myoptind = optnext - optfirst + 1; p = NULL; done = 1; goto out; } optnext++; - if (p[0] == '-' && p[1] == '\0') /* check for "--" */ + if (p[0] == '-' && p[1] == '\0') /* check for "--" */ goto atend; } c = *p++; - for (q = optstr; *q != c; ) { + for (q = optstr; *q != c;) { if (*q == '\0') { if (optstr[0] == ':') { s[0] = c; s[1] = '\0'; err |= setvarsafe("OPTARG", s, 0); - } - else { + } else { out2fmt("Illegal option -%c\n", c); (void) unsetvar("OPTARG"); } @@ -9205,8 +9126,7 @@ atend: s[1] = '\0'; err |= setvarsafe("OPTARG", s, 0); c = ':'; - } - else { + } else { out2fmt("No arg for -%c option\n", c); (void) unsetvar("OPTARG"); c = '?'; @@ -9218,16 +9138,15 @@ atend: optnext++; setvarsafe("OPTARG", p, 0); p = NULL; - } - else + } else setvarsafe("OPTARG", "", 0); *myoptind = optnext - optfirst + 1; goto out; -bad: + bad: *myoptind = 1; p = NULL; -out: + out: *optoff = p ? p - *(optnext - 1) : -1; snprintf(s, sizeof(s), "%d", *myoptind); err |= setvarsafe("OPTIND", s, VNOFUNC); @@ -9254,8 +9173,7 @@ out: * end of input. */ -static int -nextopt(const char *optstring) +static int nextopt(const char *optstring) { char *p; const char *q; @@ -9266,11 +9184,11 @@ nextopt(const char *optstring) if (p == NULL || *p != '-' || *++p == '\0') return '\0'; argptr++; - if (p[0] == '-' && p[1] == '\0') /* check for "--" */ + if (p[0] == '-' && p[1] == '\0') /* check for "--" */ return '\0'; } c = *p++; - for (q = optstring ; *q != c ; ) { + for (q = optstring; *q != c;) { if (*q == '\0') error("Illegal option -%c", c); if (*++q == ':') @@ -9286,18 +9204,18 @@ nextopt(const char *optstring) return c; } -static void -flushall() { +static void flushall() +{ INTOFF; fflush(stdout); INTON; } -static void -out2fmt(const char *fmt, ...) +static void out2fmt(const char *fmt, ...) { va_list ap; + va_start(ap, fmt); vfprintf(stderr, fmt, ap); va_end(ap); @@ -9307,8 +9225,7 @@ out2fmt(const char *fmt, ...) * Version of write which resumes after a signal is caught. */ -static int -xwrite(int fd, const char *buf, int nbytes) +static int xwrite(int fd, const char *buf, int nbytes) { int ntry; int i; @@ -9342,42 +9259,42 @@ xwrite(int fd, const char *buf, int nbytes) struct heredoc { - struct heredoc *next; /* next here document in list */ - union node *here; /* redirection node */ - char *eofmark; /* string indicating end of input */ - int striptabs; /* if set, strip leading tabs */ + struct heredoc *next; /* next here document in list */ + union node *here; /* redirection node */ + char *eofmark; /* string indicating end of input */ + int striptabs; /* if set, strip leading tabs */ }; -static struct heredoc *heredoclist; /* list of here documents to read */ -static int parsebackquote; /* nonzero if we are inside backquotes */ -static int doprompt; /* if set, prompt the user */ -static int needprompt; /* true if interactive and at start of line */ -static int lasttoken; /* last token read */ +static struct heredoc *heredoclist; /* list of here documents to read */ +static int parsebackquote; /* nonzero if we are inside backquotes */ +static int doprompt; /* if set, prompt the user */ +static int needprompt; /* true if interactive and at start of line */ +static int lasttoken; /* last token read */ -static char *wordtext; /* text of last word returned by readtoken */ +static char *wordtext; /* text of last word returned by readtoken */ static struct nodelist *backquotelist; static union node *redirnode; static struct heredoc *heredoc; -static int quoteflag; /* set if (part of) last token was quoted */ -static int startlinno; /* line # where last token started */ +static int quoteflag; /* set if (part of) last token was quoted */ +static int startlinno; /* line # where last token started */ -static union node *list (int); -static union node *andor (void); -static union node *pipeline (void); -static union node *command (void); +static union node *list(int); +static union node *andor(void); +static union node *pipeline(void); +static union node *command(void); static union node *simplecmd(union node **rpp, union node *redir); -static void parsefname (void); -static void parseheredoc (void); -static char peektoken (void); -static int readtoken (void); -static int xxreadtoken (void); -static int readtoken1 (int, int, const char *, int); -static int noexpand (char *); -static void synexpect (int) __attribute__((noreturn)); -static void synerror (const char *) __attribute__((noreturn)); -static void setprompt (int); +static void parsefname(void); +static void parseheredoc(void); +static char peektoken(void); +static int readtoken(void); +static int xxreadtoken(void); +static int readtoken1(int, int, const char *, int); +static int noexpand(char *); +static void synexpect(int) __attribute__ ((noreturn)); +static void synerror(const char *) __attribute__ ((noreturn)); +static void setprompt(int); /* @@ -9385,8 +9302,7 @@ static void setprompt (int); * valid parse tree indicating a blank line.) */ -static union node * -parsecmd(int interact) +static union node *parsecmd(int interact) { int t; @@ -9407,8 +9323,7 @@ parsecmd(int interact) } -static union node * -list(int nlflag) +static union node *list(int nlflag) { union node *n1, *n2, *n3; int tok; @@ -9426,7 +9341,7 @@ list(int nlflag) } else if (n2->type == NREDIR) { n2->type = NBACKGND; } else { - n3 = (union node *)stalloc(sizeof (struct nredir)); + n3 = (union node *) stalloc(sizeof(struct nredir)); n3->type = NBACKGND; n3->nredir.n = n2; n3->nredir.redirect = NULL; @@ -9435,9 +9350,8 @@ list(int nlflag) } if (n1 == NULL) { n1 = n2; - } - else { - n3 = (union node *)stalloc(sizeof (struct nbinary)); + } else { + n3 = (union node *) stalloc(sizeof(struct nbinary)); n3->type = NSEMI; n3->nbinary.ch1 = n1; n3->nbinary.ch2 = n2; @@ -9464,7 +9378,7 @@ list(int nlflag) if (heredoclist) parseheredoc(); else - pungetc(); /* push back EOF on input */ + pungetc(); /* push back EOF on input */ return n1; default: if (nlflag) @@ -9477,8 +9391,8 @@ list(int nlflag) -static union node * -andor() { +static union node *andor() +{ union node *n1, *n2, *n3; int t; @@ -9495,7 +9409,7 @@ andor() { } checkkwd = 2; n2 = pipeline(); - n3 = (union node *)stalloc(sizeof (struct nbinary)); + n3 = (union node *) stalloc(sizeof(struct nbinary)); n3->type = t; n3->nbinary.ch1 = n1; n3->nbinary.ch2 = n2; @@ -9505,8 +9419,8 @@ andor() { -static union node * -pipeline() { +static union node *pipeline() +{ union node *n1, *n2, *pipenode; struct nodelist *lp, *prev; int negate; @@ -9520,15 +9434,15 @@ pipeline() { tokpushback++; n1 = command(); if (readtoken() == TPIPE) { - pipenode = (union node *)stalloc(sizeof (struct npipe)); + pipenode = (union node *) stalloc(sizeof(struct npipe)); pipenode->type = NPIPE; pipenode->npipe.backgnd = 0; - lp = (struct nodelist *)stalloc(sizeof (struct nodelist)); + lp = (struct nodelist *) stalloc(sizeof(struct nodelist)); pipenode->npipe.cmdlist = lp; lp->n = n1; do { prev = lp; - lp = (struct nodelist *)stalloc(sizeof (struct nodelist)); + lp = (struct nodelist *) stalloc(sizeof(struct nodelist)); checkkwd = 2; lp->n = command(); prev->next = lp; @@ -9538,7 +9452,7 @@ pipeline() { } tokpushback++; if (negate) { - n2 = (union node *)stalloc(sizeof (struct nnot)); + n2 = (union node *) stalloc(sizeof(struct nnot)); n2->type = NNOT; n2->nnot.com = n1; return n2; @@ -9548,8 +9462,8 @@ pipeline() { -static union node * -command(void) { +static union node *command(void) +{ union node *n1, *n2; union node *ap, **app; union node *cp, **cpp; @@ -9570,7 +9484,7 @@ command(void) { switch (readtoken()) { case TIF: - n1 = (union node *)stalloc(sizeof (struct nif)); + n1 = (union node *) stalloc(sizeof(struct nif)); n1->type = NIF; n1->nif.test = list(0); if (readtoken() != TTHEN) @@ -9578,7 +9492,7 @@ command(void) { n1->nif.ifpart = list(0); n2 = n1; while (readtoken() == TELIF) { - n2->nif.elsepart = (union node *)stalloc(sizeof (struct nif)); + n2->nif.elsepart = (union node *) stalloc(sizeof(struct nif)); n2 = n2->nif.elsepart; n2->type = NIF; n2->nif.test = list(0); @@ -9597,13 +9511,14 @@ command(void) { checkkwd = 1; break; case TWHILE: - case TUNTIL: { + case TUNTIL:{ int got; - n1 = (union node *)stalloc(sizeof (struct nbinary)); - n1->type = (lasttoken == TWHILE)? NWHILE : NUNTIL; + n1 = (union node *) stalloc(sizeof(struct nbinary)); + n1->type = (lasttoken == TWHILE) ? NWHILE : NUNTIL; n1->nbinary.ch1 = list(0); - if ((got=readtoken()) != TDO) { -TRACE(("expecting DO got %s %s\n", tokname(got), got == TWORD ? wordtext : "")); + if ((got = readtoken()) != TDO) { + TRACE(("expecting DO got %s %s\n", tokname(got), + got == TWORD ? wordtext : "")); synexpect(TDO); } n1->nbinary.ch2 = list(0); @@ -9613,16 +9528,16 @@ TRACE(("expecting DO got %s %s\n", tokname(got), got == TWORD ? wordtext : "")); break; } case TFOR: - if (readtoken() != TWORD || quoteflag || ! goodname(wordtext)) + if (readtoken() != TWORD || quoteflag || !goodname(wordtext)) synerror("Bad for loop variable"); - n1 = (union node *)stalloc(sizeof (struct nfor)); + n1 = (union node *) stalloc(sizeof(struct nfor)); n1->type = NFOR; n1->nfor.var = wordtext; checkkwd = 1; if (readtoken() == TIN) { app = ≈ while (readtoken() == TWORD) { - n2 = (union node *)stalloc(sizeof (struct narg)); + n2 = (union node *) stalloc(sizeof(struct narg)); n2->type = NARG; n2->narg.text = wordtext; n2->narg.backquote = backquotelist; @@ -9634,9 +9549,10 @@ TRACE(("expecting DO got %s %s\n", tokname(got), got == TWORD ? wordtext : "")); if (lasttoken != TNL && lasttoken != TSEMI) synexpect(-1); } else { - static char argvars[5] = {CTLVAR, VSNORMAL|VSQUOTE, - '@', '=', '\0'}; - n2 = (union node *)stalloc(sizeof (struct narg)); + static char argvars[5] = { CTLVAR, VSNORMAL | VSQUOTE, + '@', '=', '\0' + }; + n2 = (union node *) stalloc(sizeof(struct narg)); n2->type = NARG; n2->narg.text = argvars; n2->narg.backquote = NULL; @@ -9658,11 +9574,11 @@ TRACE(("expecting DO got %s %s\n", tokname(got), got == TWORD ? wordtext : "")); checkkwd = 1; break; case TCASE: - n1 = (union node *)stalloc(sizeof (struct ncase)); + n1 = (union node *) stalloc(sizeof(struct ncase)); n1->type = NCASE; if (readtoken() != TWORD) synexpect(TWORD); - n1->ncase.expr = n2 = (union node *)stalloc(sizeof (struct narg)); + n1->ncase.expr = n2 = (union node *) stalloc(sizeof(struct narg)); n2->type = NARG; n2->narg.text = wordtext; n2->narg.backquote = backquotelist; @@ -9677,11 +9593,11 @@ TRACE(("expecting DO got %s %s\n", tokname(got), got == TWORD ? wordtext : "")); do { if (lasttoken == TLP) readtoken(); - *cpp = cp = (union node *)stalloc(sizeof (struct nclist)); + *cpp = cp = (union node *) stalloc(sizeof(struct nclist)); cp->type = NCLIST; app = &cp->nclist.pattern; for (;;) { - *app = ap = (union node *)stalloc(sizeof (struct narg)); + *app = ap = (union node *) stalloc(sizeof(struct narg)); ap->type = NARG; ap->narg.text = wordtext; ap->narg.backquote = backquotelist; @@ -9703,12 +9619,12 @@ TRACE(("expecting DO got %s %s\n", tokname(got), got == TWORD ? wordtext : "")); checkkwd = 2, readtoken(); } cpp = &cp->nclist.next; - } while(lasttoken != TESAC); + } while (lasttoken != TESAC); *cpp = NULL; checkkwd = 1; break; case TLP: - n1 = (union node *)stalloc(sizeof (struct nredir)); + n1 = (union node *) stalloc(sizeof(struct nredir)); n1->type = NSUBSHELL; n1->nredir.n = list(0); n1->nredir.redirect = NULL; @@ -9722,7 +9638,7 @@ TRACE(("expecting DO got %s %s\n", tokname(got), got == TWORD ? wordtext : "")); synexpect(TEND); checkkwd = 1; break; - /* Handle an empty command like other simple commands. */ + /* Handle an empty command like other simple commands. */ case TSEMI: case TAND: case TOR: @@ -9755,7 +9671,7 @@ TRACE(("expecting DO got %s %s\n", tokname(got), got == TWORD ? wordtext : "")); *rpp = NULL; if (redir) { if (n1->type != NSUBSHELL) { - n2 = (union node *)stalloc(sizeof (struct nredir)); + n2 = (union node *) stalloc(sizeof(struct nredir)); n2->type = NREDIR; n2->nredir.n = n1; n1 = n2; @@ -9767,8 +9683,8 @@ TRACE(("expecting DO got %s %s\n", tokname(got), got == TWORD ? wordtext : "")); } -static union node * -simplecmd(union node **rpp, union node *redir) { +static union node *simplecmd(union node **rpp, union node *redir) +{ union node *args, **app; union node *n = NULL; union node *vars, **vpp; @@ -9780,12 +9696,12 @@ simplecmd(union node **rpp, union node *redir) { vpp = &vars; /* If we don't have any redirections already, then we must reset - rpp to be the address of the local redir variable. */ + rpp to be the address of the local redir variable. */ if (redir == 0) - rpp = &redir; + rpp = &redir; /* We save the incoming value, because we need this for shell - functions. There can not be a redirect or an argument between - the function name and the open parenthesis. */ + functions. There can not be a redirect or an argument between + the function name and the open parenthesis. */ orig_rpp = rpp; checkalias = 2; @@ -9793,7 +9709,7 @@ simplecmd(union node **rpp, union node *redir) { switch (readtoken()) { case TWORD: case TASSIGN: - n = (union node *)stalloc(sizeof (struct narg)); + n = (union node *) stalloc(sizeof(struct narg)); n->type = NARG; n->narg.text = wordtext; n->narg.backquote = backquotelist; @@ -9808,13 +9724,10 @@ simplecmd(union node **rpp, union node *redir) { case TREDIR: *rpp = n = redirnode; rpp = &n->nfile.next; - parsefname(); /* read name of redirection file */ + parsefname(); /* read name of redirection file */ break; case TLP: - if ( - args && app == &args->narg.next && - !vars && rpp == orig_rpp - ) { + if (args && app == &args->narg.next && !vars && rpp == orig_rpp) { /* We have a function */ if (readtoken() != TRP) synexpect(TRP); @@ -9829,11 +9742,11 @@ simplecmd(union node **rpp, union node *redir) { goto out; } } -out: + out: *app = NULL; *vpp = NULL; *rpp = NULL; - n = (union node *)stalloc(sizeof (struct ncmd)); + n = (union node *) stalloc(sizeof(struct ncmd)); n->type = NCMD; n->ncmd.backgnd = 0; n->ncmd.args = args; @@ -9842,11 +9755,11 @@ out: return n; } -static union node * -makename(void) { +static union node *makename(void) +{ union node *n; - n = (union node *)stalloc(sizeof (struct narg)); + n = (union node *) stalloc(sizeof(struct narg)); n->type = NARG; n->narg.next = NULL; n->narg.text = wordtext; @@ -9874,8 +9787,8 @@ static void fixredir(union node *n, const char *text, int err) } -static void -parsefname(void) { +static void parsefname(void) +{ union node *n = redirnode; if (readtoken() != TWORD) @@ -9892,7 +9805,8 @@ parsefname(void) { while (*wordtext == '\t') wordtext++; } - if (! noexpand(wordtext) || (i = strlen(wordtext)) == 0 || i > EOFMARKLEN) + if (!noexpand(wordtext) || (i = strlen(wordtext)) == 0 + || i > EOFMARKLEN) synerror("Illegal eof marker for << redirection"); rmescapes(wordtext); here->eofmark = wordtext; @@ -9900,7 +9814,7 @@ parsefname(void) { if (heredoclist == NULL) heredoclist = here; else { - for (p = heredoclist ; p->next ; p = p->next); + for (p = heredoclist; p->next; p = p->next); p->next = here; } } else if (n->type == NTOFD || n->type == NFROMFD) { @@ -9915,8 +9829,8 @@ parsefname(void) { * Input any here documents. */ -static void -parseheredoc() { +static void parseheredoc() +{ struct heredoc *here; union node *n; @@ -9927,9 +9841,9 @@ parseheredoc() { setprompt(2); needprompt = 0; } - readtoken1(pgetc(), here->here->type == NHERE? SQSYNTAX : DQSYNTAX, - here->eofmark, here->striptabs); - n = (union node *)stalloc(sizeof (struct narg)); + readtoken1(pgetc(), here->here->type == NHERE ? SQSYNTAX : DQSYNTAX, + here->eofmark, here->striptabs); + n = (union node *) stalloc(sizeof(struct narg)); n->narg.type = NARG; n->narg.next = NULL; n->narg.text = wordtext; @@ -9938,8 +9852,8 @@ parseheredoc() { } } -static char -peektoken() { +static char peektoken() +{ int t; t = readtoken(); @@ -9947,11 +9861,12 @@ peektoken() { return tokname_array[t][0]; } -static int -readtoken() { +static int readtoken() +{ int t; int savecheckalias = checkalias; + #ifdef CONFIG_ASH_ALIAS int savecheckkwd = checkkwd; struct alias *ap; @@ -9962,7 +9877,7 @@ readtoken() { #endif #ifdef CONFIG_ASH_ALIAS -top: + top: #endif t = xxreadtoken(); @@ -9984,8 +9899,7 @@ top: /* * check for keywords */ - if (t == TWORD && !quoteflag) - { + if (t == TWORD && !quoteflag) { const char *const *pp; if ((pp = findkwd(wordtext))) { @@ -10005,7 +9919,8 @@ top: lasttoken = t = TASSIGN; } else if (checkalias) { #ifdef CONFIG_ASH_ALIAS - if (!quoteflag && (ap = *__lookupalias(wordtext)) != NULL && !(ap->flag & ALIASINUSE)) { + if (!quoteflag && (ap = *__lookupalias(wordtext)) != NULL + && !(ap->flag & ALIASINUSE)) { if (*ap->val) { pushstring(ap->val, strlen(ap->val), ap); } @@ -10015,12 +9930,14 @@ top: #endif checkalias = 0; } -out: + out: #ifdef DEBUG if (!alreadyseen) - TRACE(("token %s %s\n", tokname(t), t == TWORD || t == TASSIGN ? wordtext : "")); + TRACE(("token %s %s\n", tokname(t), t == TWORD + || t == TASSIGN ? wordtext : "")); else - TRACE(("reread token %s %s\n", tokname(t), t == TWORD || t == TASSIGN ? wordtext : "")); + TRACE(("reread token %s %s\n", tokname(t), t == TWORD + || t == TASSIGN ? wordtext : "")); #endif return (t); } @@ -10047,12 +9964,12 @@ out: #define NEW_xxreadtoken #ifdef NEW_xxreadtoken -static const char xxreadtoken_chars[] = "\n()&|;"; /* singles must be first! */ +static const char xxreadtoken_chars[] = "\n()&|;"; /* singles must be first! */ static const char xxreadtoken_tokens[] = { - TNL, TLP, TRP, /* only single occurrence allowed */ - TBACKGND, TPIPE, TSEMI, /* if single occurrence */ - TEOF, /* corresponds to trailing nul */ - TAND, TOR, TENDCASE, /* if double occurrence */ + TNL, TLP, TRP, /* only single occurrence allowed */ + TBACKGND, TPIPE, TSEMI, /* if single occurrence */ + TEOF, /* corresponds to trailing nul */ + TAND, TOR, TENDCASE, /* if double occurrence */ }; #define xxreadtoken_doubles \ @@ -10060,8 +9977,8 @@ static const char xxreadtoken_tokens[] = { #define xxreadtoken_singles \ (sizeof(xxreadtoken_chars) - xxreadtoken_doubles - 1) -static int -xxreadtoken() { +static int xxreadtoken() +{ int c; if (tokpushback) { @@ -10073,18 +9990,18 @@ xxreadtoken() { needprompt = 0; } startlinno = plinno; - for (;;) { /* until token or start of word found */ + for (;;) { /* until token or start of word found */ c = pgetc_macro(); - if ((c!=' ') && (c!='\t') + if ((c != ' ') && (c != '\t') #ifdef CONFIG_ASH_ALIAS - && (c!=PEOA) + && (c != PEOA) #endif ) { - if (c=='#') { + if (c == '#') { while ((c = pgetc()) != '\n' && c != PEOF); pungetc(); - } else if (c=='\\') { + } else if (c == '\\') { if (pgetc() != '\n') { pungetc(); goto READTOKEN1; @@ -10095,20 +10012,20 @@ xxreadtoken() { const char *p = xxreadtoken_chars + sizeof(xxreadtoken_chars) - 1; - if (c!=PEOF) { - if (c=='\n') { + if (c != PEOF) { + if (c == '\n') { plinno++; needprompt = doprompt; } p = strchr(xxreadtoken_chars, c); if (p == NULL) { - READTOKEN1: - return readtoken1(c, BASESYNTAX, (char *)NULL, 0); + READTOKEN1: + return readtoken1(c, BASESYNTAX, (char *) NULL, 0); } - - if (p-xxreadtoken_chars >= xxreadtoken_singles) { - if (pgetc() == *p) { /* double occurrence? */ + + if (p - xxreadtoken_chars >= xxreadtoken_singles) { + if (pgetc() == *p) { /* double occurrence? */ p += xxreadtoken_doubles + 1; } else { pungetc(); @@ -10116,7 +10033,7 @@ xxreadtoken() { } } - return lasttoken = xxreadtoken_tokens[p-xxreadtoken_chars]; + return lasttoken = xxreadtoken_tokens[p - xxreadtoken_chars]; } } } @@ -10126,8 +10043,8 @@ xxreadtoken() { #else #define RETURN(token) return lasttoken = token -static int -xxreadtoken() { +static int xxreadtoken() +{ int c; if (tokpushback) { @@ -10139,10 +10056,11 @@ xxreadtoken() { needprompt = 0; } startlinno = plinno; - for (;;) { /* until token or start of word found */ + for (;;) { /* until token or start of word found */ c = pgetc_macro(); switch (c) { - case ' ': case '\t': + case ' ': + case '\t': #ifdef CONFIG_ASH_ALIAS case PEOA: #endif @@ -10191,8 +10109,8 @@ xxreadtoken() { goto breakloop; } } -breakloop: - return readtoken1(c, BASESYNTAX, (char *)NULL, 0); + breakloop: + return readtoken1(c, BASESYNTAX, (char *) NULL, 0); #undef RETURN } #endif @@ -10226,12 +10144,13 @@ readtoken1(int firstc, int syntax, const char *eofmark, int striptabs) struct nodelist *bqlist; int quotef; int dblquote; - int varnest; /* levels of variables expansion */ - int arinest; /* levels of arithmetic expansion */ - int parenlevel; /* levels of parens in arithmetic */ - int dqvarnest; /* levels of variables expansion within double quotes */ + int varnest; /* levels of variables expansion */ + int arinest; /* levels of arithmetic expansion */ + int parenlevel; /* levels of parens in arithmetic */ + int dqvarnest; /* levels of variables expansion within double quotes */ int oldstyle; - int prevsyntax; /* syntax before arithmetic */ + int prevsyntax; /* syntax before arithmetic */ + #if __GNUC__ /* Avoid longjmp clobbering */ (void) &out; @@ -10258,14 +10177,14 @@ readtoken1(int firstc, int syntax, const char *eofmark, int striptabs) dqvarnest = 0; STARTSTACKSTR(out); - loop: { /* for each line, until end of word */ - CHECKEND(); /* set c to PEOF if at end of here document */ - for (;;) { /* until end of line or end of word */ - CHECKSTRSPACE(3, out); /* permit 3 calls to USTPUTC */ - switch(SIT(c,syntax)) { - case CNL: /* '\n' */ + loop:{ /* for each line, until end of word */ + CHECKEND(); /* set c to PEOF if at end of here document */ + for (;;) { /* until end of line or end of word */ + CHECKSTRSPACE(3, out); /* permit 3 calls to USTPUTC */ + switch (SIT(c, syntax)) { + case CNL: /* '\n' */ if (syntax == BASESYNTAX) - goto endword; /* exit outer loop */ + goto endword; /* exit outer loop */ USTPUTC(c, out); plinno++; if (doprompt) @@ -10273,17 +10192,16 @@ readtoken1(int firstc, int syntax, const char *eofmark, int striptabs) else setprompt(0); c = pgetc(); - goto loop; /* continue outer loop */ + goto loop; /* continue outer loop */ case CWORD: USTPUTC(c, out); break; case CCTL: - if ((eofmark == NULL || dblquote) && - dqvarnest == 0) + if ((eofmark == NULL || dblquote) && dqvarnest == 0) USTPUTC(CTLESC, out); USTPUTC(c, out); break; - case CBACK: /* backslash */ + case CBACK: /* backslash */ c = pgetc2(); if (c == PEOF) { USTPUTC('\\', out); @@ -10295,9 +10213,9 @@ readtoken1(int firstc, int syntax, const char *eofmark, int striptabs) setprompt(0); } else { if (dblquote && c != '\\' && c != '`' && c != '$' - && (c != '"' || eofmark != NULL)) + && (c != '"' || eofmark != NULL)) USTPUTC('\\', out); - if (SIT(c,SQSYNTAX) == CCTL) + if (SIT(c, SQSYNTAX) == CCTL) USTPUTC(CTLESC, out); else if (eofmark == NULL) USTPUTC(CTLQUOTEMARK, out); @@ -10317,25 +10235,23 @@ readtoken1(int firstc, int syntax, const char *eofmark, int striptabs) dblquote = 1; break; case CENDQUOTE: - if (eofmark != NULL && arinest == 0 && - varnest == 0) { + if (eofmark != NULL && arinest == 0 && varnest == 0) { USTPUTC(c, out); } else { if (arinest) { syntax = ARISYNTAX; dblquote = 0; - } else if (eofmark == NULL && - dqvarnest == 0) { + } else if (eofmark == NULL && dqvarnest == 0) { syntax = BASESYNTAX; dblquote = 0; } quotef++; } break; - case CVAR: /* '$' */ - PARSESUB(); /* parse substitution */ + case CVAR: /* '$' */ + PARSESUB(); /* parse substitution */ break; - case CENDVAR: /* '}' */ + case CENDVAR: /* '}' */ if (varnest > 0) { varnest--; if (dqvarnest > 0) { @@ -10347,11 +10263,11 @@ readtoken1(int firstc, int syntax, const char *eofmark, int striptabs) } break; #ifdef CONFIG_ASH_MATH_SUPPORT - case CLP: /* '(' in arithmetic */ + case CLP: /* '(' in arithmetic */ parenlevel++; USTPUTC(c, out); break; - case CRP: /* ')' in arithmetic */ + case CRP: /* ')' in arithmetic */ if (parenlevel > 0) { USTPUTC(c, out); --parenlevel; @@ -10377,16 +10293,16 @@ readtoken1(int firstc, int syntax, const char *eofmark, int striptabs) } break; #endif - case CBQUOTE: /* '`' */ + case CBQUOTE: /* '`' */ PARSEBACKQOLD(); break; case CENDFILE: - goto endword; /* exit outer loop */ + goto endword; /* exit outer loop */ case CIGN: break; default: if (varnest == 0) - goto endword; /* exit outer loop */ + goto endword; /* exit outer loop */ #ifdef CONFIG_ASH_ALIAS if (c != PEOA) #endif @@ -10396,10 +10312,10 @@ readtoken1(int firstc, int syntax, const char *eofmark, int striptabs) c = pgetc_macro(); } } -endword: + endword: if (syntax == ARISYNTAX) synerror("Missing '))'"); - if (syntax != BASESYNTAX && ! parsebackquote && eofmark == NULL) + if (syntax != BASESYNTAX && !parsebackquote && eofmark == NULL) synerror("Unterminated quoted string"); if (varnest != 0) { startlinno = plinno; @@ -10410,9 +10326,7 @@ endword: out = stackblock(); if (eofmark == NULL) { if ((c == '>' || c == '<') - && quotef == 0 - && len <= 2 - && (*out == '\0' || is_digit(*out))) { + && quotef == 0 && len <= 2 && (*out == '\0' || is_digit(*out))) { PARSEREDIR(); return lasttoken = TREDIR; } else { @@ -10434,36 +10348,36 @@ endword: * we are at the end of the here document, this routine sets the c to PEOF. */ -checkend: { - if (eofmark) { + checkend:{ + if (eofmark) { #ifdef CONFIG_ASH_ALIAS - if (c == PEOA) { - c = pgetc2(); - } -#endif - if (striptabs) { - while (c == '\t') { + if (c == PEOA) { c = pgetc2(); } - } - if (c == *eofmark) { - if (pfgets(line, sizeof line) != NULL) { - const char *p, *q; - - p = line; - for (q = eofmark + 1 ; *q && *p == *q ; p++, q++); - if (*p == '\n' && *q == '\0') { - c = PEOF; - plinno++; - needprompt = doprompt; - } else { - pushstring(line, strlen(line), NULL); +#endif + if (striptabs) { + while (c == '\t') { + c = pgetc2(); + } + } + if (c == *eofmark) { + if (pfgets(line, sizeof line) != NULL) { + const char *p, *q; + + p = line; + for (q = eofmark + 1; *q && *p == *q; p++, q++); + if (*p == '\n' && *q == '\0') { + c = PEOF; + plinno++; + needprompt = doprompt; + } else { + pushstring(line, strlen(line), NULL); + } } } } + goto checkend_return; } - goto checkend_return; -} /* @@ -10472,62 +10386,62 @@ checkend: { * first character of the redirection operator. */ -parseredir: { - char fd = *out; - union node *np; + parseredir:{ + char fd = *out; + union node *np; - np = (union node *)stalloc(sizeof (struct nfile)); - if (c == '>') { - np->nfile.fd = 1; - c = pgetc(); - if (c == '>') - np->type = NAPPEND; - else if (c == '&') - np->type = NTOFD; - else if (c == '|') - np->type = NTOOV; - else { - np->type = NTO; - pungetc(); - } - } else { /* c == '<' */ - np->nfile.fd = 0; - switch (c = pgetc()) { - case '<': - if (sizeof (struct nfile) != sizeof (struct nhere)) { - np = (union node *)stalloc(sizeof (struct nhere)); - np->nfile.fd = 0; - } - np->type = NHERE; - heredoc = (struct heredoc *)stalloc(sizeof (struct heredoc)); - heredoc->here = np; - if ((c = pgetc()) == '-') { - heredoc->striptabs = 1; - } else { - heredoc->striptabs = 0; + np = (union node *) stalloc(sizeof(struct nfile)); + if (c == '>') { + np->nfile.fd = 1; + c = pgetc(); + if (c == '>') + np->type = NAPPEND; + else if (c == '&') + np->type = NTOFD; + else if (c == '|') + np->type = NTOOV; + else { + np->type = NTO; pungetc(); } - break; + } else { /* c == '<' */ + np->nfile.fd = 0; + switch (c = pgetc()) { + case '<': + if (sizeof(struct nfile) != sizeof(struct nhere)) { + np = (union node *) stalloc(sizeof(struct nhere)); + np->nfile.fd = 0; + } + np->type = NHERE; + heredoc = (struct heredoc *) stalloc(sizeof(struct heredoc)); + heredoc->here = np; + if ((c = pgetc()) == '-') { + heredoc->striptabs = 1; + } else { + heredoc->striptabs = 0; + pungetc(); + } + break; - case '&': - np->type = NFROMFD; - break; + case '&': + np->type = NFROMFD; + break; - case '>': - np->type = NFROMTO; - break; + case '>': + np->type = NFROMTO; + break; - default: - np->type = NFROM; - pungetc(); - break; + default: + np->type = NFROM; + pungetc(); + break; + } } + if (fd != '\0') + np->nfile.fd = digit_val(fd); + redirnode = np; + goto parseredir_return; } - if (fd != '\0') - np->nfile.fd = digit_val(fd); - redirnode = np; - goto parseredir_return; -} /* @@ -10535,81 +10449,76 @@ parseredir: { * and nothing else. */ -parsesub: { - int subtype; - int typeloc; - int flags; - char *p; - static const char types[] = "}-+?="; - - c = pgetc(); - if ( - c <= PEOA || - (c != '(' && c != '{' && !is_name(c) && !is_special(c)) - ) { - USTPUTC('$', out); - pungetc(); - } else if (c == '(') { /* $(command) or $((arith)) */ - if (pgetc() == '(') { - PARSEARITH(); - } else { + parsesub:{ + int subtype; + int typeloc; + int flags; + char *p; + static const char types[] = "}-+?="; + + c = pgetc(); + if (c <= PEOA || + (c != '(' && c != '{' && !is_name(c) && !is_special(c)) + ) { + USTPUTC('$', out); pungetc(); - PARSEBACKQNEW(); - } - } else { - USTPUTC(CTLVAR, out); - typeloc = out - stackblock(); - USTPUTC(VSNORMAL, out); - subtype = VSNORMAL; - if (c == '{') { - c = pgetc(); - if (c == '#') { - if ((c = pgetc()) == '}') - c = '#'; - else - subtype = VSLENGTH; + } else if (c == '(') { /* $(command) or $((arith)) */ + if (pgetc() == '(') { + PARSEARITH(); + } else { + pungetc(); + PARSEBACKQNEW(); } - else - subtype = 0; - } - if (c > PEOA && is_name(c)) { - do { - STPUTC(c, out); + } else { + USTPUTC(CTLVAR, out); + typeloc = out - stackblock(); + USTPUTC(VSNORMAL, out); + subtype = VSNORMAL; + if (c == '{') { c = pgetc(); - } while (c > PEOA && is_in_name(c)); - } else if (is_digit(c)) { - do { + if (c == '#') { + if ((c = pgetc()) == '}') + c = '#'; + else + subtype = VSLENGTH; + } else + subtype = 0; + } + if (c > PEOA && is_name(c)) { + do { + STPUTC(c, out); + c = pgetc(); + } while (c > PEOA && is_in_name(c)); + } else if (is_digit(c)) { + do { + USTPUTC(c, out); + c = pgetc(); + } while (is_digit(c)); + } else if (is_special(c)) { USTPUTC(c, out); c = pgetc(); - } while (is_digit(c)); - } - else if (is_special(c)) { - USTPUTC(c, out); - c = pgetc(); - } - else -badsub: synerror("Bad substitution"); - - STPUTC('=', out); - flags = 0; - if (subtype == 0) { - switch (c) { - case ':': - flags = VSNUL; - c = pgetc(); - /*FALLTHROUGH*/ - default: - p = strchr(types, c); - if (p == NULL) - goto badsub; - subtype = p - types + VSNORMAL; - break; - case '%': - case '#': + } else + badsub:synerror("Bad substitution"); + + STPUTC('=', out); + flags = 0; + if (subtype == 0) { + switch (c) { + case ':': + flags = VSNUL; + c = pgetc(); + /*FALLTHROUGH*/ default: + p = strchr(types, c); + if (p == NULL) + goto badsub; + subtype = p - types + VSNORMAL; + break; + case '%': + case '#': { int cc = c; - subtype = c == '#' ? VSTRIMLEFT : - VSTRIMRIGHT; + + subtype = c == '#' ? VSTRIMLEFT : VSTRIMRIGHT; c = pgetc(); if (c == cc) subtype++; @@ -10617,22 +10526,22 @@ badsub: synerror("Bad substitution"); pungetc(); break; } + } + } else { + pungetc(); } - } else { - pungetc(); - } - if (dblquote || arinest) - flags |= VSQUOTE; - *(stackblock() + typeloc) = subtype | flags; - if (subtype != VSNORMAL) { - varnest++; - if (dblquote) { - dqvarnest++; + if (dblquote || arinest) + flags |= VSQUOTE; + *(stackblock() + typeloc) = subtype | flags; + if (subtype != VSNORMAL) { + varnest++; + if (dblquote) { + dqvarnest++; + } } } + goto parsesub_return; } - goto parsesub_return; -} /* @@ -10642,181 +10551,182 @@ badsub: synerror("Bad substitution"); * characters on the top of the stack which must be preserved. */ -parsebackq: { - struct nodelist **nlpp; - int savepbq; - union node *n; - char *volatile str; - struct jmploc jmploc; - struct jmploc *volatile savehandler; - int savelen; - int saveprompt; + parsebackq:{ + struct nodelist **nlpp; + int savepbq; + union node *n; + char *volatile str; + struct jmploc jmploc; + struct jmploc *volatile savehandler; + int savelen; + int saveprompt; + #ifdef __GNUC__ - (void) &saveprompt; + (void) &saveprompt; #endif - savepbq = parsebackquote; - if (setjmp(jmploc.loc)) { - free(str); - parsebackquote = 0; - handler = savehandler; - longjmp(handler->loc, 1); - } - INTOFF; - str = NULL; - savelen = out - stackblock(); - if (savelen > 0) { - str = xmalloc(savelen); - memcpy(str, stackblock(), savelen); - } - savehandler = handler; - handler = &jmploc; - INTON; - if (oldstyle) { - /* We must read until the closing backquote, giving special - treatment to some slashes, and then push the string and - reread it as input, interpreting it normally. */ - char *pout; - int pc; - int psavelen; - char *pstr; - + savepbq = parsebackquote; + if (setjmp(jmploc.loc)) { + free(str); + parsebackquote = 0; + handler = savehandler; + longjmp(handler->loc, 1); + } + INTOFF; + str = NULL; + savelen = out - stackblock(); + if (savelen > 0) { + str = xmalloc(savelen); + memcpy(str, stackblock(), savelen); + } + savehandler = handler; + handler = &jmploc; + INTON; + if (oldstyle) { + /* We must read until the closing backquote, giving special + treatment to some slashes, and then push the string and + reread it as input, interpreting it normally. */ + char *pout; + int pc; + int psavelen; + char *pstr; - STARTSTACKSTR(pout); - for (;;) { - if (needprompt) { - setprompt(2); - needprompt = 0; - } - switch (pc = pgetc()) { - case '`': - goto done; - case '\\': - if ((pc = pgetc()) == '\n') { - plinno++; - if (doprompt) - setprompt(2); - else - setprompt(0); - /* - * If eating a newline, avoid putting - * the newline into the new character - * stream (via the STPUTC after the - * switch). - */ - continue; - } - if (pc != '\\' && pc != '`' && pc != '$' - && (!dblquote || pc != '"')) - STPUTC('\\', pout); - if (pc > PEOA) { - break; + STARTSTACKSTR(pout); + for (;;) { + if (needprompt) { + setprompt(2); + needprompt = 0; } - /* fall through */ + switch (pc = pgetc()) { + case '`': + goto done; + + case '\\': + if ((pc = pgetc()) == '\n') { + plinno++; + if (doprompt) + setprompt(2); + else + setprompt(0); + /* + * If eating a newline, avoid putting + * the newline into the new character + * stream (via the STPUTC after the + * switch). + */ + continue; + } + if (pc != '\\' && pc != '`' && pc != '$' + && (!dblquote || pc != '"')) + STPUTC('\\', pout); + if (pc > PEOA) { + break; + } + /* fall through */ - case PEOF: + case PEOF: #ifdef CONFIG_ASH_ALIAS - case PEOA: + case PEOA: #endif - startlinno = plinno; - synerror("EOF in backquote substitution"); + startlinno = plinno; + synerror("EOF in backquote substitution"); - case '\n': - plinno++; - needprompt = doprompt; - break; + case '\n': + plinno++; + needprompt = doprompt; + break; - default: - break; + default: + break; + } + STPUTC(pc, pout); + } + done: + STPUTC('\0', pout); + psavelen = pout - stackblock(); + if (psavelen > 0) { + pstr = grabstackstr(pout); + setinputstring(pstr); } - STPUTC(pc, pout); - } -done: - STPUTC('\0', pout); - psavelen = pout - stackblock(); - if (psavelen > 0) { - pstr = grabstackstr(pout); - setinputstring(pstr); } - } - nlpp = &bqlist; - while (*nlpp) - nlpp = &(*nlpp)->next; - *nlpp = (struct nodelist *)stalloc(sizeof (struct nodelist)); - (*nlpp)->next = NULL; - parsebackquote = oldstyle; + nlpp = &bqlist; + while (*nlpp) + nlpp = &(*nlpp)->next; + *nlpp = (struct nodelist *) stalloc(sizeof(struct nodelist)); + (*nlpp)->next = NULL; + parsebackquote = oldstyle; - if (oldstyle) { - saveprompt = doprompt; - doprompt = 0; - } + if (oldstyle) { + saveprompt = doprompt; + doprompt = 0; + } - n = list(0); + n = list(0); - if (oldstyle) - doprompt = saveprompt; - else { - if (readtoken() != TRP) - synexpect(TRP); - } + if (oldstyle) + doprompt = saveprompt; + else { + if (readtoken() != TRP) + synexpect(TRP); + } - (*nlpp)->n = n; - if (oldstyle) { - /* - * Start reading from old file again, ignoring any pushed back - * tokens left from the backquote parsing - */ - popfile(); - tokpushback = 0; - } - while (stackblocksize() <= savelen) - growstackblock(); - STARTSTACKSTR(out); - if (str) { - memcpy(out, str, savelen); - STADJUST(savelen, out); - INTOFF; - free(str); - str = NULL; - INTON; + (*nlpp)->n = n; + if (oldstyle) { + /* + * Start reading from old file again, ignoring any pushed back + * tokens left from the backquote parsing + */ + popfile(); + tokpushback = 0; + } + while (stackblocksize() <= savelen) + growstackblock(); + STARTSTACKSTR(out); + if (str) { + memcpy(out, str, savelen); + STADJUST(savelen, out); + INTOFF; + free(str); + str = NULL; + INTON; + } + parsebackquote = savepbq; + handler = savehandler; + if (arinest || dblquote) + USTPUTC(CTLBACKQ | CTLQUOTE, out); + else + USTPUTC(CTLBACKQ, out); + if (oldstyle) + goto parsebackq_oldreturn; + else + goto parsebackq_newreturn; } - parsebackquote = savepbq; - handler = savehandler; - if (arinest || dblquote) - USTPUTC(CTLBACKQ | CTLQUOTE, out); - else - USTPUTC(CTLBACKQ, out); - if (oldstyle) - goto parsebackq_oldreturn; - else - goto parsebackq_newreturn; -} /* * Parse an arithmetic expansion (indicate start of one and set state) */ -parsearith: { + parsearith:{ - if (++arinest == 1) { - prevsyntax = syntax; - syntax = ARISYNTAX; - USTPUTC(CTLARI, out); - if (dblquote) - USTPUTC('"',out); - else - USTPUTC(' ',out); - } else { - /* - * we collapse embedded arithmetic expansion to - * parenthesis, which should be equivalent - */ - USTPUTC('(', out); + if (++arinest == 1) { + prevsyntax = syntax; + syntax = ARISYNTAX; + USTPUTC(CTLARI, out); + if (dblquote) + USTPUTC('"', out); + else + USTPUTC(' ', out); + } else { + /* + * we collapse embedded arithmetic expansion to + * parenthesis, which should be equivalent + */ + USTPUTC('(', out); + } + goto parsearith_return; } - goto parsearith_return; -} -} /* end of readtoken */ +} /* end of readtoken */ /* @@ -10824,8 +10734,7 @@ parsearith: { * or backquotes). */ -static int -noexpand(char *text) +static int noexpand(char *text) { char *p; char c; @@ -10836,7 +10745,7 @@ noexpand(char *text) continue; if (c == CTLESC) p++; - else if (SIT(c,BASESYNTAX) == CCTL) + else if (SIT(c, BASESYNTAX) == CCTL) return 0; } return 1; @@ -10848,16 +10757,15 @@ noexpand(char *text) * underscore followed by zero or more letters, underscores, and digits). */ -static int -goodname(const char *name) +static int goodname(const char *name) { const char *p; p = name; - if (! is_name(*p)) + if (!is_name(*p)) return 0; while (*++p) { - if (! is_in_name(*p)) + if (!is_in_name(*p)) return 0; } return 1; @@ -10870,27 +10778,25 @@ goodname(const char *name) * occur at this point. */ -static void -synexpect(int token) +static void synexpect(int token) { char msg[64]; int l; l = sprintf(msg, "%s unexpected", tokname(lasttoken)); if (token >= 0) - sprintf(msg+l, " (expecting %s)", tokname(token)); + sprintf(msg + l, " (expecting %s)", tokname(token)); synerror(msg); /* NOTREACHED */ } -static void -synerror(const char *msg) +static void synerror(const char *msg) { if (commandname) out2fmt("%s: %d: ", commandname, startlinno); out2fmt("Syntax error: %s\n", msg); - error((char *)NULL); + error((char *) NULL); /* NOTREACHED */ } @@ -10899,21 +10805,21 @@ synerror(const char *msg) * called by editline -- any expansions to the prompt * should be added here. */ -static void -setprompt(int whichprompt) +static void setprompt(int whichprompt) { - char *prompt; - switch (whichprompt) { + char *prompt; + + switch (whichprompt) { case 1: prompt = ps1val(); break; case 2: prompt = ps2val(); break; - default: /* 0 */ + default: /* 0 */ prompt = ""; - } - putprompt(prompt); + } + putprompt(prompt); } @@ -10921,9 +10827,9 @@ setprompt(int whichprompt) * Code for dealing with input/output redirection. */ -#define EMPTY -2 /* marks an unused slot in redirtab */ +#define EMPTY -2 /* marks an unused slot in redirtab */ #ifndef PIPE_BUF -# define PIPESIZE 4096 /* amount of buffering in a pipe */ +# define PIPESIZE 4096 /* amount of buffering in a pipe */ #else # define PIPESIZE PIPE_BUF #endif @@ -10933,8 +10839,7 @@ setprompt(int whichprompt) * Open a file in noclobber mode. * The code was copied from bash. */ -static inline int -noclobberopen(const char *fname) +static inline int noclobberopen(const char *fname) { int r, fd; struct stat finfo, finfo2; @@ -10957,8 +10862,8 @@ noclobberopen(const char *fname) * file was not a regular file, we leave O_EXCL off. */ if (r != 0) - return open(fname, O_WRONLY|O_CREAT|O_EXCL, 0666); - fd = open(fname, O_WRONLY|O_CREAT, 0666); + return open(fname, O_WRONLY | O_CREAT | O_EXCL, 0666); + fd = open(fname, O_WRONLY | O_CREAT, 0666); /* If the open failed, return the file descriptor right away. */ if (fd < 0) @@ -10977,8 +10882,8 @@ noclobberopen(const char *fname) * revealed that it was a regular file, and the file has not been * replaced, return the file descriptor. */ - if (fstat(fd, &finfo2) == 0 && !S_ISREG(finfo2.st_mode) && - finfo.st_dev == finfo2.st_dev && finfo.st_ino == finfo2.st_ino) + if (fstat(fd, &finfo2) == 0 && !S_ISREG(finfo2.st_mode) && + finfo.st_dev == finfo2.st_dev && finfo.st_ino == finfo2.st_ino) return fd; /* The file has been replaced. badness. */ @@ -10993,8 +10898,7 @@ noclobberopen(const char *fname) * the pipe without forking. */ -static inline int -openhere(const union node *redir) +static inline int openhere(const union node *redir) { int pip[2]; int len = 0; @@ -11008,7 +10912,7 @@ openhere(const union node *redir) goto out; } } - if (forkshell((struct job *)NULL, (union node *)NULL, FORK_NOJOB) == 0) { + if (forkshell((struct job *) NULL, (union node *) NULL, FORK_NOJOB) == 0) { close(pip[0]); signal(SIGINT, SIG_IGN); signal(SIGQUIT, SIG_IGN); @@ -11023,14 +10927,13 @@ openhere(const union node *redir) expandhere(redir->nhere.doc, pip[1]); _exit(0); } -out: + out: close(pip[1]); return pip[0]; } -static inline int -openredirect(const union node *redir) +static inline int openredirect(const union node *redir) { char *fname; int f; @@ -11043,7 +10946,7 @@ openredirect(const union node *redir) break; case NFROMTO: fname = redir->nfile.expfname; - if ((f = open(fname, O_RDWR|O_CREAT|O_TRUNC, 0666)) < 0) + if ((f = open(fname, O_RDWR | O_CREAT | O_TRUNC, 0666)) < 0) goto ecreate; break; case NTO: @@ -11057,7 +10960,7 @@ openredirect(const union node *redir) case NTOOV: fname = redir->nfile.expfname; #ifdef O_CREAT - if ((f = open(fname, O_WRONLY|O_CREAT|O_TRUNC, 0666)) < 0) + if ((f = open(fname, O_WRONLY | O_CREAT | O_TRUNC, 0666)) < 0) goto ecreate; #else if ((f = creat(fname, 0666)) < 0) @@ -11067,13 +10970,12 @@ openredirect(const union node *redir) case NAPPEND: fname = redir->nfile.expfname; #ifdef O_APPEND - if ((f = open(fname, O_WRONLY|O_CREAT|O_APPEND, 0666)) < 0) + if ((f = open(fname, O_WRONLY | O_CREAT | O_APPEND, 0666)) < 0) goto ecreate; #else - if ((f = open(fname, O_WRONLY)) < 0 - && (f = creat(fname, 0666)) < 0) + if ((f = open(fname, O_WRONLY)) < 0 && (f = creat(fname, 0666)) < 0) goto ecreate; - lseek(f, (off_t)0, 2); + lseek(f, (off_t) 0, 2); #endif break; default: @@ -11092,9 +10994,9 @@ openredirect(const union node *redir) } return f; -ecreate: + ecreate: error("cannot create %s: %s", fname, errmsg(errno, E_CREAT)); -eopen: + eopen: error("cannot open %s: %s", fname, errmsg(errno, E_OPEN)); } @@ -11107,8 +11009,7 @@ eopen: * stdout. */ -static void -redirect(union node *redir, int flags) +static void redirect(union node *redir, int flags) { union node *n; struct redirtab *sv = NULL; @@ -11116,21 +11017,21 @@ redirect(union node *redir, int flags) int fd; int newfd; int try; - int fd1dup = flags & REDIR_BACKQ;; /* stdout `cmd` redir to pipe */ + int fd1dup = flags & REDIR_BACKQ;; /* stdout `cmd` redir to pipe */ if (flags & REDIR_PUSH) { - sv = xmalloc(sizeof (struct redirtab)); - for (i = 0 ; i < 10 ; i++) + sv = xmalloc(sizeof(struct redirtab)); + for (i = 0; i < 10; i++) sv->renamed[i] = EMPTY; sv->next = redirlist; redirlist = sv; } - for (n = redir ; n ; n = n->nfile.next) { + for (n = redir; n; n = n->nfile.next) { fd = n->nfile.fd; try = 0; if ((n->nfile.type == NTOFD || n->nfile.type == NFROMFD) && - n->ndup.dupfd == fd) - continue; /* redirect from/to same file descriptor */ + n->ndup.dupfd == fd) + continue; /* redirect from/to same file descriptor */ INTOFF; newfd = openredirect(n); @@ -11145,7 +11046,7 @@ redirect(union node *redir, int flags) try++; break; } - /* FALLTHROUGH*/ + /* FALLTHROUGH */ default: if (newfd >= 0) { close(newfd); @@ -11173,16 +11074,15 @@ redirect(union node *redir, int flags) } -static void -dupredirect(const union node *redir, int f, int fd1dup) +static void dupredirect(const union node *redir, int f, int fd1dup) { int fd = redir->nfile.fd; - if(fd==1) + if (fd == 1) fd1dup = 0; if (redir->nfile.type == NTOFD || redir->nfile.type == NFROMFD) { - if (redir->ndup.dupfd >= 0) { /* if not ">&-" */ - if (redir->ndup.dupfd!=1 || fd1dup!=1) + if (redir->ndup.dupfd >= 0) { /* if not ">&-" */ + if (redir->ndup.dupfd != 1 || fd1dup != 1) dup_as_newfd(redir->ndup.dupfd, fd); } return; @@ -11201,14 +11101,13 @@ dupredirect(const union node *redir, int f, int fd1dup) * Undo the effects of the last redirection. */ -static void -popredir(void) +static void popredir(void) { struct redirtab *rp = redirlist; int i; INTOFF; - for (i = 0 ; i < 10 ; i++) { + for (i = 0; i < 10; i++) { if (rp->renamed[i] != EMPTY) { if (i == 0) fd0_redirected--; @@ -11228,13 +11127,13 @@ popredir(void) * Discard all saved file descriptors. */ -static void -clearredir(void) { +static void clearredir(void) +{ struct redirtab *rp; int i; - for (rp = redirlist ; rp ; rp = rp->next) { - for (i = 0 ; i < 10 ; i++) { + for (rp = redirlist; rp; rp = rp->next) { + for (i = 0; i < 10; i++) { if (rp->renamed[i] >= 0) { close(rp->renamed[i]); } @@ -11250,8 +11149,7 @@ clearredir(void) { * file descriptors left. */ -static int -dup_as_newfd(int from, int to) +static int dup_as_newfd(int from, int to) { int newfd; @@ -11269,15 +11167,14 @@ dup_as_newfd(int from, int to) /* * Debugging stuff. */ -static void shtree (union node *, int, char *, FILE*); -static void shcmd (union node *, FILE *); -static void sharg (union node *, FILE *); -static void indent (int, char *, FILE *); -static void trstring (char *); +static void shtree(union node *, int, char *, FILE *); +static void shcmd(union node *, FILE *); +static void sharg(union node *, FILE *); +static void indent(int, char *, FILE *); +static void trstring(char *); -static void -showtree(n) +static void showtree(n) unode *n; { trputs("showtree called\n"); @@ -11285,8 +11182,7 @@ showtree(n) } -static void -shtree(union node *n, int ind, char *pfx, FILE *fp) +static void shtree(union node *n, int ind, char *pfx, FILE * fp) { struct nodelist *lp; const char *s; @@ -11295,7 +11191,7 @@ shtree(union node *n, int ind, char *pfx, FILE *fp) return; indent(ind, pfx, fp); - switch(n->type) { + switch (n->type) { case NSEMI: s = "; "; goto binop; @@ -11304,10 +11200,10 @@ shtree(union node *n, int ind, char *pfx, FILE *fp) goto binop; case NOR: s = " || "; -binop: + binop: shtree(n->nbinary.ch1, ind, NULL, fp); - /* if (ind < 0) */ - fputs(s, fp); + /* if (ind < 0) */ + fputs(s, fp); shtree(n->nbinary.ch2, ind, NULL, fp); break; case NCMD: @@ -11316,7 +11212,7 @@ binop: putc('\n', fp); break; case NPIPE: - for (lp = n->npipe.cmdlist ; lp ; lp = lp->next) { + for (lp = n->npipe.cmdlist; lp; lp = lp->next) { shcmd(lp->n, fp); if (lp->next) fputs(" | ", fp); @@ -11336,8 +11232,7 @@ binop: -static void -shcmd(union node *cmd, FILE *fp) +static void shcmd(union node *cmd, FILE * fp) { union node *np; int first; @@ -11345,14 +11240,14 @@ shcmd(union node *cmd, FILE *fp) int dftfd; first = 1; - for (np = cmd->ncmd.args ; np ; np = np->narg.next) { - if (! first) + for (np = cmd->ncmd.args; np; np = np->narg.next) { + if (!first) putchar(' '); sharg(np, fp); first = 0; } - for (np = cmd->ncmd.redirect ; np ; np = np->nfile.next) { - if (! first) + for (np = cmd->ncmd.redirect; np; np = np->nfile.next) { + if (!first) putchar(' '); #if 1 s = "*error*"; @@ -11365,14 +11260,38 @@ shcmd(union node *cmd, FILE *fp) } #else switch (np->nfile.type) { - case NTO: s = ">"; dftfd = 1; break; - case NAPPEND: s = ">>"; dftfd = 1; break; - case NTOFD: s = ">&"; dftfd = 1; break; - case NTOOV: s = ">|"; dftfd = 1; break; - case NFROM: s = "<"; dftfd = 0; break; - case NFROMFD: s = "<&"; dftfd = 0; break; - case NFROMTO: s = "<>"; dftfd = 0; break; - default: s = "*error*"; dftfd = 0; break; + case NTO: + s = ">"; + dftfd = 1; + break; + case NAPPEND: + s = ">>"; + dftfd = 1; + break; + case NTOFD: + s = ">&"; + dftfd = 1; + break; + case NTOOV: + s = ">|"; + dftfd = 1; + break; + case NFROM: + s = "<"; + dftfd = 0; + break; + case NFROMFD: + s = "<&"; + dftfd = 0; + break; + case NFROMTO: + s = "<>"; + dftfd = 0; + break; + default: + s = "*error*"; + dftfd = 0; + break; } #endif if (np->nfile.fd != dftfd) @@ -11387,8 +11306,7 @@ shcmd(union node *cmd, FILE *fp) } } -static void -sharg(union node *arg, FILE *fp) +static void sharg(union node *arg, FILE * fp) { char *p; struct nodelist *bqlist; @@ -11400,7 +11318,7 @@ sharg(union node *arg, FILE *fp) abort(); } bqlist = arg->narg.backquote; - for (p = arg->narg.text ; *p ; p++) { + for (p = arg->narg.text; *p; p++) { switch (*p) { case CTLESC: putc(*++p, fp); @@ -11455,10 +11373,10 @@ sharg(union node *arg, FILE *fp) } break; case CTLENDVAR: - putc('}', fp); - break; + putc('}', fp); + break; case CTLBACKQ: - case CTLBACKQ|CTLQUOTE: + case CTLBACKQ | CTLQUOTE: putc('$', fp); putc('(', fp); shtree(bqlist->n, -1, NULL, fp); @@ -11472,12 +11390,11 @@ sharg(union node *arg, FILE *fp) } -static void -indent(int amount, char *pfx, FILE *fp) +static void indent(int amount, char *pfx, FILE * fp) { int i; - for (i = 0 ; i < amount ; i++) { + for (i = 0; i < amount; i++) { if (pfx && i == amount - 1) fputs(pfx, fp); putc('\t', fp); @@ -11494,8 +11411,7 @@ static int debug = 0; #endif -static void -trputc(int c) +static void trputc(int c) { if (tracefile == NULL) return; @@ -11504,10 +11420,10 @@ trputc(int c) fflush(tracefile); } -static void -trace(const char *fmt, ...) +static void trace(const char *fmt, ...) { va_list va; + va_start(va, fmt); if (tracefile != NULL) { (void) vfprintf(tracefile, fmt, va); @@ -11518,8 +11434,7 @@ trace(const char *fmt, ...) } -static void -trputs(const char *s) +static void trputs(const char *s) { if (tracefile == NULL) return; @@ -11529,8 +11444,7 @@ trputs(const char *s) } -static void -trstring(char *s) +static void trstring(char *s) { char *p; char c; @@ -11538,19 +11452,39 @@ trstring(char *s) if (tracefile == NULL) return; putc('"', tracefile); - for (p = s ; *p ; p++) { + for (p = s; *p; p++) { switch (*p) { - case '\n': c = 'n'; goto backslash; - case '\t': c = 't'; goto backslash; - case '\r': c = 'r'; goto backslash; - case '"': c = '"'; goto backslash; - case '\\': c = '\\'; goto backslash; - case CTLESC: c = 'e'; goto backslash; - case CTLVAR: c = 'v'; goto backslash; - case CTLVAR+CTLQUOTE: c = 'V'; goto backslash; - case CTLBACKQ: c = 'q'; goto backslash; - case CTLBACKQ+CTLQUOTE: c = 'Q'; goto backslash; -backslash: putc('\\', tracefile); + case '\n': + c = 'n'; + goto backslash; + case '\t': + c = 't'; + goto backslash; + case '\r': + c = 'r'; + goto backslash; + case '"': + c = '"'; + goto backslash; + case '\\': + c = '\\'; + goto backslash; + case CTLESC: + c = 'e'; + goto backslash; + case CTLVAR: + c = 'v'; + goto backslash; + case CTLVAR + CTLQUOTE: + c = 'V'; + goto backslash; + case CTLBACKQ: + c = 'q'; + goto backslash; + case CTLBACKQ + CTLQUOTE: + c = 'Q'; + goto backslash; + backslash:putc('\\', tracefile); putc(c, tracefile); break; default: @@ -11569,8 +11503,7 @@ backslash: putc('\\', tracefile); } -static void -trargs(char **ap) +static void trargs(char **ap) { if (tracefile == NULL) return; @@ -11585,10 +11518,10 @@ trargs(char **ap) } -static void -opentrace() +static void opentrace() { char s[100]; + #ifdef O_APPEND int flags; #endif @@ -11598,6 +11531,7 @@ opentrace() #ifdef not_this_way { char *p; + if ((p = getenv("HOME")) == NULL) { if (geteuid() == 0) p = "/"; @@ -11609,7 +11543,7 @@ opentrace() } #else strcpy(s, "./trace"); -#endif /* not_this_way */ +#endif /* not_this_way */ if ((tracefile = wfopen(s, "a")) == NULL) return; #ifdef O_APPEND @@ -11619,31 +11553,30 @@ opentrace() fputs("\nTracing started.\n", tracefile); fflush(tracefile); } -#endif /* DEBUG */ +#endif /* DEBUG */ /* * The trap builtin. */ -static int -trapcmd(int argc, char **argv) +static int trapcmd(int argc, char **argv) { char *action; char **ap; int signo; if (argc <= 1) { - for (signo = 0 ; signo < NSIG ; signo++) { + for (signo = 0; signo < NSIG; signo++) { if (trap[signo] != NULL) { char *p; const char *sn; p = single_quote(trap[signo]); sn = sys_siglist[signo]; - if(sn==NULL) + if (sn == NULL) sn = u_signal_names(0, &signo, 0); - if(sn==NULL) + if (sn == NULL) sn = "???"; printf("trap -- %s %s\n", p, sn); stunalloc(p); @@ -11686,8 +11619,7 @@ trapcmd(int argc, char **argv) * out what it should be set to. */ -static void -setsignal(int signo) +static void setsignal(int signo) { int action; char *t; @@ -11707,11 +11639,11 @@ setsignal(int signo) break; case SIGQUIT: #ifdef DEBUG - { + { if (debug) break; - } + } #endif /* FALLTHROUGH */ case SIGTERM: @@ -11743,12 +11675,12 @@ setsignal(int signo) } if (act.sa_handler == SIG_IGN) { if (mflag && (signo == SIGTSTP || - signo == SIGTTIN || signo == SIGTTOU)) { - *t = S_IGN; /* don't hard ignore these */ + signo == SIGTTIN || signo == SIGTTOU)) { + *t = S_IGN; /* don't hard ignore these */ } else *t = S_HARD_IGN; } else { - *t = S_RESET; /* force to be set */ + *t = S_RESET; /* force to be set */ } } if (*t == S_HARD_IGN || *t == action) @@ -11765,8 +11697,7 @@ setsignal(int signo) * Ignore a signal. */ -static void -ignoresig(int signo) +static void ignoresig(int signo) { if (sigmode[signo - 1] != S_IGN && sigmode[signo - 1] != S_HARD_IGN) { signal(signo, SIG_IGN); @@ -11779,8 +11710,7 @@ ignoresig(int signo) * Signal handler. */ -static void -onsig(int signo) +static void onsig(int signo) { if (signo == SIGINT && trap[SIGINT] == NULL) { onint(); @@ -11796,25 +11726,24 @@ onsig(int signo) * handlers while we are executing a trap handler. */ -static void -dotrap(void) +static void dotrap(void) { int i; int savestatus; for (;;) { - for (i = 1 ; ; i++) { + for (i = 1;; i++) { if (gotsig[i - 1]) break; if (i >= NSIG - 1) goto done; } gotsig[i - 1] = 0; - savestatus=exitstatus; + savestatus = exitstatus; evalstring(trap[i], 0); - exitstatus=savestatus; + exitstatus = savestatus; } -done: + done: pendingsigs = 0; } @@ -11822,8 +11751,7 @@ done: * Called to exit the shell. */ -static void -exitshell(int status) +static void exitshell(int status) { struct jmploc loc1, loc2; char *p; @@ -11840,12 +11768,12 @@ exitshell(int status) trap[0] = NULL; evalstring(p, 0); } -l1: handler = &loc2; /* probably unnecessary */ + l1:handler = &loc2; /* probably unnecessary */ flushall(); #ifdef CONFIG_ASH_JOB_CONTROL setjobctl(0); #endif -l2: _exit(status); + l2:_exit(status); /* NOTREACHED */ } @@ -11857,9 +11785,9 @@ static int decode_signal(const char *string, int minsig) return name ? signo : -1; } -static struct var **hashvar (const char *); -static void showvars (const char *, int, int); -static struct var **findvar (struct var **, const char *); +static struct var **hashvar(const char *); +static void showvars(const char *, int, int); +static struct var **findvar(struct var **, const char *); /* * Initialize the varable symbol tables and import the environment @@ -11870,13 +11798,13 @@ static struct var **findvar (struct var **, const char *); * shell is initialized and again when a shell procedure is spawned. */ -static void -initvar() { +static void initvar() +{ const struct varinit *ip; struct var *vp; struct var **vpp; - for (ip = varinit ; (vp = ip->var) != NULL ; ip++) { + for (ip = varinit; (vp = ip->var) != NULL; ip++) { if ((vp->flags & VEXPORT) == 0) { vpp = hashvar(ip->text); vp->next = *vpp; @@ -11894,8 +11822,8 @@ initvar() { vpp = hashvar("PS1=$"); vps1.next = *vpp; *vpp = &vps1; - vps1.text = xstrdup(geteuid() ? "PS1=$ " : "PS1=# "); - vps1.flags = VSTRFIXED|VTEXTFIXED; + vps1.text = xstrdup(geteuid()? "PS1=$ " : "PS1=# "); + vps1.flags = VSTRFIXED | VTEXTFIXED; } #endif } @@ -11905,8 +11833,7 @@ initvar() { * flags of the variable. If val is NULL, the variable is unset. */ -static void -setvar(const char *name, const char *val, int flags) +static void setvar(const char *name, const char *val, int flags) { const char *p; int len; @@ -11917,11 +11844,11 @@ setvar(const char *name, const char *val, int flags) isbad = 0; p = name; - if (! is_name(*p)) + if (!is_name(*p)) isbad = 1; p++; for (;;) { - if (! is_in_name(*p)) { + if (!is_in_name(*p)) { if (*p == '\0' || *p == '=') break; isbad = 1; @@ -11931,7 +11858,7 @@ setvar(const char *name, const char *val, int flags) namelen = p - name; if (isbad) error("%.*s: bad variable name", namelen, name); - len = namelen + 2; /* 2 is space for '=' and '\0' */ + len = namelen + 2; /* 2 is space for '=' and '\0' */ if (val == NULL) { flags |= VUNSET; } else { @@ -11959,8 +11886,7 @@ setvar(const char *name, const char *val, int flags) * will go away. */ -static void -setvareq(char *s, int flags) +static void setvareq(char *s, int flags) { struct var *vp, **vpp; @@ -11969,17 +11895,18 @@ setvareq(char *s, int flags) if ((vp = *findvar(vpp, s))) { if (vp->flags & VREADONLY) { size_t len = strchr(s, '=') - s; + error("%.*s: is read only", len, s); } INTOFF; if (vp->func && (flags & VNOFUNC) == 0) - (*vp->func)(strchr(s, '=') + 1); + (*vp->func) (strchr(s, '=') + 1); - if ((vp->flags & (VTEXTFIXED|VSTACK)) == 0) + if ((vp->flags & (VTEXTFIXED | VSTACK)) == 0) free(vp->text); - vp->flags &= ~(VTEXTFIXED|VSTACK|VUNSET); + vp->flags &= ~(VTEXTFIXED | VSTACK | VUNSET); vp->flags |= flags; vp->text = s; @@ -11995,7 +11922,7 @@ setvareq(char *s, int flags) return; } /* not found */ - vp = xmalloc(sizeof (*vp)); + vp = xmalloc(sizeof(*vp)); vp->flags = flags; vp->text = s; vp->next = *vpp; @@ -12009,13 +11936,12 @@ setvareq(char *s, int flags) * Process a linked list of variable assignments. */ -static void -listsetvar(struct strlist *mylist) +static void listsetvar(struct strlist *mylist) { struct strlist *lp; INTOFF; - for (lp = mylist ; lp ; lp = lp->next) { + for (lp = mylist; lp; lp = lp->next) { setvareq(xstrdup(lp->text), 0); } INTON; @@ -12027,8 +11953,7 @@ listsetvar(struct strlist *mylist) * Find the value of a variable. Returns NULL if not set. */ -static const char * -lookupvar(const char *name) +static const char *lookupvar(const char *name) { struct var *v; @@ -12044,12 +11969,11 @@ lookupvar(const char *name) * Search the environment of a builtin command. */ -static const char * -bltinlookup(const char *name) +static const char *bltinlookup(const char *name) { const struct strlist *sp; - for (sp = cmdenviron ; sp ; sp = sp->next) { + for (sp = cmdenviron; sp; sp = sp->next) { if (varequal(sp->text, name)) return strchr(sp->text, '=') + 1; } @@ -12063,8 +11987,8 @@ bltinlookup(const char *name) * the third argument to execve when executing a program. */ -static char ** -environment() { +static char **environment() +{ int nenv; struct var **vpp; struct var *vp; @@ -12072,14 +11996,14 @@ environment() { char **ep; nenv = 0; - for (vpp = vartab ; vpp < vartab + VTABSIZE ; vpp++) { - for (vp = *vpp ; vp ; vp = vp->next) + for (vpp = vartab; vpp < vartab + VTABSIZE; vpp++) { + for (vp = *vpp; vp; vp = vp->next) if (vp->flags & VEXPORT) nenv++; } ep = env = stalloc((nenv + 1) * sizeof *env); - for (vpp = vartab ; vpp < vartab + VTABSIZE ; vpp++) { - for (vp = *vpp ; vp ; vp = vp->next) + for (vpp = vartab; vpp < vartab + VTABSIZE; vpp++) { + for (vp = *vpp; vp; vp = vp->next) if (vp->flags & VEXPORT) *ep++ = vp->text; } @@ -12094,13 +12018,13 @@ environment() { * VSTACK set since these are currently allocated on the stack. */ -static void -shprocvar(void) { +static void shprocvar(void) +{ struct var **vpp; struct var *vp, **prev; - for (vpp = vartab ; vpp < vartab + VTABSIZE ; vpp++) { - for (prev = vpp ; (vp = *prev) != NULL ; ) { + for (vpp = vartab; vpp < vartab + VTABSIZE; vpp++) { + for (prev = vpp; (vp = *prev) != NULL;) { if ((vp->flags & VEXPORT) == 0) { *prev = vp->next; if ((vp->flags & VTEXTFIXED) == 0) @@ -12110,7 +12034,7 @@ shprocvar(void) { } else { if (vp->flags & VSTACK) { vp->text = xstrdup(vp->text); - vp->flags &=~ VSTACK; + vp->flags &= ~VSTACK; } prev = &vp->next; } @@ -12127,8 +12051,7 @@ shprocvar(void) { * any variables. */ -static int -showvarscmd(int argc, char **argv) +static int showvarscmd(int argc, char **argv) { showvars(nullstr, VUNSET, VUNSET); return 0; @@ -12140,13 +12063,12 @@ showvarscmd(int argc, char **argv) * The export and readonly commands. */ -static int -exportcmd(int argc, char **argv) +static int exportcmd(int argc, char **argv) { struct var *vp; char *name; const char *p; - int flag = argv[0][0] == 'r'? VREADONLY : VEXPORT; + int flag = argv[0][0] == 'r' ? VREADONLY : VEXPORT; int pflag; listsetvar(cmdenviron); @@ -12162,7 +12084,7 @@ exportcmd(int argc, char **argv) } } setvar(name, p, flag); -found:; + found:; } } else { showvars(argv[0], flag, 0); @@ -12177,12 +12099,11 @@ found:; /* funcnest nonzero if we are currently evaluating a function */ -static int -localcmd(int argc, char **argv) +static int localcmd(int argc, char **argv) { char *name; - if (! funcnest) + if (!funcnest) error("Not in a function"); while ((name = *argptr++) != NULL) { mklocal(name); @@ -12198,17 +12119,17 @@ localcmd(int argc, char **argv) * "-" as a special case. */ -static void -mklocal(char *name) +static void mklocal(char *name) { struct localvar *lvp; struct var **vpp; struct var *vp; INTOFF; - lvp = xmalloc(sizeof (struct localvar)); + lvp = xmalloc(sizeof(struct localvar)); if (name[0] == '-' && name[1] == '\0') { char *p; + p = xmalloc(sizeof optet_vals); lvp->text = memcpy(p, optet_vals, sizeof optet_vals); vp = NULL; @@ -12220,13 +12141,13 @@ mklocal(char *name) setvareq(xstrdup(name), VSTRFIXED); else setvar(name, NULL, VSTRFIXED); - vp = *vpp; /* the new variable */ + vp = *vpp; /* the new variable */ lvp->text = NULL; lvp->flags = VUNSET; } else { lvp->text = vp->text; lvp->flags = vp->flags; - vp->flags |= VSTRFIXED|VTEXTFIXED; + vp->flags |= VSTRFIXED | VTEXTFIXED; if (strchr(name, '=')) setvareq(xstrdup(name), 0); } @@ -12242,19 +12163,19 @@ mklocal(char *name) * Called after a function returns. */ -static void -poplocalvars() { +static void poplocalvars() +{ struct localvar *lvp; struct var *vp; while ((lvp = localvars) != NULL) { localvars = lvp->next; vp = lvp->vp; - if (vp == NULL) { /* $- saved */ + if (vp == NULL) { /* $- saved */ memcpy(optet_vals, lvp->text, sizeof optet_vals); free(lvp->text); - } else if ((lvp->flags & (VUNSET|VSTRFIXED)) == VUNSET) { - (void)unsetvar(vp->text); + } else if ((lvp->flags & (VUNSET | VSTRFIXED)) == VUNSET) { + (void) unsetvar(vp->text); } else { if ((vp->flags & VTEXTFIXED) == 0) free(vp->text); @@ -12266,8 +12187,7 @@ poplocalvars() { } -static int -setvarcmd(int argc, char **argv) +static int setvarcmd(int argc, char **argv) { if (argc <= 2) return unsetcmd(argc, argv); @@ -12285,8 +12205,7 @@ setvarcmd(int argc, char **argv) * with the same name. */ -static int -unsetcmd(int argc, char **argv) +static int unsetcmd(int argc, char **argv) { char **ap; int i; @@ -12303,7 +12222,7 @@ unsetcmd(int argc, char **argv) if (flg_func == 0 && flg_var == 0) flg_var = 1; - for (ap = argptr; *ap ; ap++) { + for (ap = argptr; *ap; ap++) { if (flg_func) unsetfunc(*ap); if (flg_var) @@ -12317,8 +12236,7 @@ unsetcmd(int argc, char **argv) * Unset the specified variable. */ -static int -unsetvar(const char *s) +static int unsetvar(const char *s) { struct var **vpp; struct var *vp; @@ -12352,8 +12270,7 @@ unsetvar(const char *s) * Find the appropriate entry in the hash table from the name. */ -static struct var ** -hashvar(const char *p) +static struct var **hashvar(const char *p) { unsigned int hashval; @@ -12371,8 +12288,7 @@ hashvar(const char *p) * either '=' or '\0'. */ -static int -varequal(const char *p, const char *q) +static int varequal(const char *p, const char *q) { while (*p == *q++) { if (*p++ == '=') @@ -12383,15 +12299,14 @@ varequal(const char *p, const char *q) return 0; } -static void -showvars(const char *myprefix, int mask, int xor) +static void showvars(const char *myprefix, int mask, int xor) { struct var **vpp; struct var *vp; const char *sep = myprefix == nullstr ? myprefix : spcstr; - for (vpp = vartab ; vpp < vartab + VTABSIZE ; vpp++) { - for (vp = *vpp ; vp ; vp = vp->next) { + for (vpp = vartab; vpp < vartab + VTABSIZE; vpp++) { + for (vp = *vpp; vp; vp = vp->next) { if ((vp->flags & mask) ^ xor) { char *p; int len; @@ -12400,16 +12315,14 @@ showvars(const char *myprefix, int mask, int xor) len = p - vp->text; p = single_quote(p); - printf("%s%s%.*s%s\n", myprefix, sep, len, - vp->text, p); + printf("%s%s%.*s%s\n", myprefix, sep, len, vp->text, p); stunalloc(p); } } } } -static struct var ** -findvar(struct var **vpp, const char *name) +static struct var **findvar(struct var **vpp, const char *name) { for (; *vpp; vpp = &(*vpp)->next) { if (varequal((*vpp)->text, name)) { @@ -12422,23 +12335,23 @@ findvar(struct var **vpp, const char *name) /* * Copyright (c) 1999 Herbert Xu <herbert@debian.org> * This file contains code for the times builtin. - * $Id: ash.c,v 1.56 2002/08/02 06:39:47 aaronl Exp $ + * $Id: ash.c,v 1.57 2002/08/22 18:30:15 bug1 Exp $ */ -static int timescmd (int argc, char **argv) +static int timescmd(int argc, char **argv) { struct tms buf; long int clk_tck = sysconf(_SC_CLK_TCK); times(&buf); printf("%dm%fs %dm%fs\n%dm%fs %dm%fs\n", - (int) (buf.tms_utime / clk_tck / 60), - ((double) buf.tms_utime) / clk_tck, - (int) (buf.tms_stime / clk_tck / 60), - ((double) buf.tms_stime) / clk_tck, - (int) (buf.tms_cutime / clk_tck / 60), - ((double) buf.tms_cutime) / clk_tck, - (int) (buf.tms_cstime / clk_tck / 60), - ((double) buf.tms_cstime) / clk_tck); + (int) (buf.tms_utime / clk_tck / 60), + ((double) buf.tms_utime) / clk_tck, + (int) (buf.tms_stime / clk_tck / 60), + ((double) buf.tms_stime) / clk_tck, + (int) (buf.tms_cutime / clk_tck / 60), + ((double) buf.tms_cutime) / clk_tck, + (int) (buf.tms_cstime / clk_tck / 60), + ((double) buf.tms_cstime) / clk_tck); return 0; } @@ -12447,9 +12360,11 @@ static int timescmd (int argc, char **argv) int letcmd(int argc, char **argv) { int errcode; - long result=0; + long result = 0; + if (argc == 2) { char *tmp, *expression, p[13]; + expression = strchr(argv[1], '='); if (!expression) { /* Cannot use 'error()' here, or the return code @@ -12464,7 +12379,7 @@ int letcmd(int argc, char **argv) /* Cannot use 'error()' here, or the return code * will be incorrect */ out2fmt("sh: let: "); - if(errcode == -2) + if (errcode == -2) out2fmt("divide by zero"); else out2fmt("syntax error: \"%s=%s\"\n", argv[1], expression); |