diff options
Diffstat (limited to 'sh.c')
| -rw-r--r-- | sh.c | 37 |
1 files changed, 15 insertions, 22 deletions
@@ -64,7 +64,10 @@ #include <sys/wait.h> #include <unistd.h> #include <getopt.h> + +#ifdef BB_LOCALE_SUPPORT #include <locale.h> +#endif //#define BB_FEATURE_SH_WORDEXP @@ -80,7 +83,6 @@ #include "cmdedit.h" -static const int MAX_LINE = 256; /* size of input buffer for cwd data */ static const int MAX_READ = 128; /* size of input buffer for `read' builtin */ #define JOB_STATUS_FORMAT "[%d] %-22s %.40s\n" @@ -230,7 +232,7 @@ static char syntax_err[]="syntax error near unexpected token"; #endif static char *PS1; -static char *PS2; +static char *PS2 = "> "; #ifdef DEBUG_SHELL @@ -294,7 +296,7 @@ static int builtin_cd(struct child_prog *child) printf("cd: %s: %m\n", newdir); return EXIT_FAILURE; } - getcwd(cwd, sizeof(char)*MAX_LINE); + cwd = xgetcwd(cwd); return EXIT_SUCCESS; } @@ -410,7 +412,6 @@ static int builtin_jobs(struct child_prog *child) /* built-in 'pwd' handler */ static int builtin_pwd(struct child_prog *dummy) { - getcwd(cwd, MAX_LINE); printf( "%s\n", cwd); return EXIT_SUCCESS; } @@ -434,13 +435,14 @@ static int builtin_export(struct child_prog *child) #ifndef BB_FEATURE_SH_SIMPLE_PROMPT if (strncmp(v, "PS1=", 4)==0) PS1 = getenv("PS1"); - else if (strncmp(v, "PS2=", 4)==0) - PS2 = getenv("PS2"); #endif + +#ifdef BB_LOCALE_SUPPORT if(strncmp(v, "LC_ALL=", 7)==0) setlocale(LC_ALL, getenv("LC_ALL")); if(strncmp(v, "LC_CTYPE=", 9)==0) setlocale(LC_CTYPE, getenv("LC_CTYPE")); +#endif return (res); } @@ -623,10 +625,7 @@ static int builtin_unset(struct child_prog *child) */ static int run_command_predicate(char *cmd) { - int n=strlen(cmd); - local_pending_command = xmalloc(n+1); - strncpy(local_pending_command, cmd, n); - local_pending_command[n]='\0'; + local_pending_command = xstrdup(cmd); return( busy_loop(NULL)); } #endif @@ -808,15 +807,10 @@ static inline void cmdedit_set_initial_prompt(void) { #ifdef BB_FEATURE_SH_SIMPLE_PROMPT PS1 = NULL; - PS2 = "> "; #else PS1 = getenv("PS1"); - if(PS1==0) { + if(PS1==0) PS1 = "\\w \\$ "; - } - PS2 = getenv("PS2"); - if(PS2==0) - PS2 = "> "; #endif } @@ -954,7 +948,7 @@ static int expand_arguments(char *command) /* Fix up escape sequences to be the Real Thing(tm) */ while( command && command[ix]) { if (command[ix] == '\\') { - char *tmp = command+ix+1; + const char *tmp = command+ix+1; command[ix] = process_escape_sequence( &tmp ); memmove(command+ix + 1, tmp, strlen(tmp)+1); } @@ -1829,8 +1823,10 @@ static int busy_loop(FILE * input) #ifdef BB_FEATURE_CLEAN_UP void free_memory(void) { - if (cwd) + if (cwd) { free(cwd); + cwd = NULL; + } if (local_pending_command) free(local_pending_command); @@ -1850,7 +1846,6 @@ int shell_main(int argc_l, char **argv_l) /* These variables need re-initializing when recursing */ shell_context = 0; - cwd=NULL; local_pending_command = NULL; close_me_head = NULL; job_list.head = NULL; @@ -1921,8 +1916,7 @@ int shell_main(int argc_l, char **argv_l) } /* initialize the cwd -- this is never freed...*/ - cwd=(char*)xmalloc(sizeof(char)*MAX_LINE+1); - getcwd(cwd, sizeof(char)*MAX_LINE); + cwd = xgetcwd(0); #ifdef BB_FEATURE_CLEAN_UP atexit(free_memory); @@ -1932,7 +1926,6 @@ int shell_main(int argc_l, char **argv_l) cmdedit_set_initial_prompt(); #else PS1 = NULL; - PS2 = "> "; #endif return (busy_loop(input)); |