diff options
| -rw-r--r-- | shell/ash.c | 33 |
1 files changed, 19 insertions, 14 deletions
diff --git a/shell/ash.c b/shell/ash.c index c8dd9a5..d107fa1 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -8414,7 +8414,7 @@ static int funcnest; /* depth of function calls */ static int loopnest; /* current loop nesting level */ /* Forward decl way out to parsing code - dotrap needs it */ -static int evalstring(char *s, int mask); +static int evalstring(char *s, int flags); /* Called to execute a trap. * Single callsite - at the end of evaltree(). @@ -8450,7 +8450,7 @@ dotrap(void) *g = 0; if (!t) continue; - evalstring(t, SKIPEVAL); + evalstring(t, 0); exitstatus = savestatus; if (evalskip) { TRACE(("dotrap returns %d\n", evalskip)); @@ -8470,7 +8470,7 @@ static int evalsubshell(union node *, int); static void expredir(union node *); static int evalpipe(union node *, int); static int evalcommand(union node *, int); -static int evalbltin(const struct builtincmd *, int, char **); +static int evalbltin(const struct builtincmd *, int, char **, int); static void prehash(union node *); /* @@ -9177,7 +9177,7 @@ returncmd(int argc UNUSED_PARAM, char **argv) /* Forward declarations for builtintab[] */ static int breakcmd(int, char **) FAST_FUNC; static int dotcmd(int, char **) FAST_FUNC; -static int evalcmd(int, char **) FAST_FUNC; +static int evalcmd(int, char **, int) FAST_FUNC; static int exitcmd(int, char **) FAST_FUNC; static int exportcmd(int, char **) FAST_FUNC; #if ENABLE_ASH_GETOPTS @@ -9247,7 +9247,7 @@ static const struct builtincmd builtintab[] = { #if ENABLE_ASH_BUILTIN_ECHO { BUILTIN_REGULAR "echo" , echocmd }, #endif - { BUILTIN_SPEC_REG "eval" , evalcmd }, + { BUILTIN_SPEC_REG "eval" , NULL }, /*evalcmd() has a differing prototype*/ { BUILTIN_SPEC_REG "exec" , execcmd }, { BUILTIN_SPEC_REG "exit" , exitcmd }, { BUILTIN_SPEC_REG_ASSG "export" , exportcmd }, @@ -9567,7 +9567,7 @@ evalcommand(union node *cmd, int flags) * to reap the zombie and make kill detect that it's gone: */ dowait(DOWAIT_NONBLOCK, NULL); - if (evalbltin(cmdentry.u.cmd, argc, argv)) { + if (evalbltin(cmdentry.u.cmd, argc, argv, flags)) { int exit_status; int i = exception_type; if (i == EXEXIT || i == EXEXEC) @@ -9612,11 +9612,12 @@ evalcommand(union node *cmd, int flags) } static int -evalbltin(const struct builtincmd *cmd, int argc, char **argv) +evalbltin(const struct builtincmd *cmd, int argc, char **argv, int flags) { char *volatile savecmdname; struct jmploc *volatile savehandler; struct jmploc jmploc; + int status; int i; savecmdname = commandname; @@ -9628,10 +9629,14 @@ evalbltin(const struct builtincmd *cmd, int argc, char **argv) commandname = argv[0]; argptr = argv + 1; optptr = NULL; /* initialize nextopt */ - exitstatus = (*cmd->builtin)(argc, argv); + if (cmd == EVALCMD) + status = evalcmd(argc, argv, flags); + else + status = (*cmd->builtin)(argc, argv); flush_stdout_stderr(); + status |= ferror(stdout); + exitstatus = status; cmddone: - exitstatus |= ferror(stdout); clearerr(stdout); commandname = savecmdname; exception_handler = savehandler; @@ -12241,7 +12246,7 @@ expandstr(const char *ps) * Execute a command or commands contained in a string. */ static int -evalstring(char *s, int mask) +evalstring(char *s, int flags) { union node *n; struct stackmark smark; @@ -12255,7 +12260,7 @@ evalstring(char *s, int mask) while ((n = parsecmd(0)) != NODE_EOF) { int i; - i = evaltree(n, 0); + i = evaltree(n, flags); if (n) status = i; popstackmark(&smark); @@ -12266,7 +12271,6 @@ evalstring(char *s, int mask) popfile(); stunalloc(s); - evalskip &= mask; return status; } @@ -12274,7 +12278,7 @@ evalstring(char *s, int mask) * The eval command. */ static int FAST_FUNC -evalcmd(int argc UNUSED_PARAM, char **argv) +evalcmd(int argc UNUSED_PARAM, char **argv, int flags) { char *p; char *concat; @@ -12294,7 +12298,7 @@ evalcmd(int argc UNUSED_PARAM, char **argv) STPUTC('\0', concat); p = grabstackstr(concat); } - return evalstring(p, ~SKIPEVAL); + return evalstring(p, flags & EV_TESTED); } return 0; } @@ -13112,6 +13116,7 @@ exitshell(void) p = trap[0]; if (p) { trap[0] = NULL; + evalskip = 0; evalstring(p, 0); free(p); } |