diff options
Diffstat (limited to 'shell/hush.c')
| -rw-r--r-- | shell/hush.c | 36 |
1 files changed, 26 insertions, 10 deletions
diff --git a/shell/hush.c b/shell/hush.c index cf6a18f..5a565b3 100644 --- a/shell/hush.c +++ b/shell/hush.c @@ -67,14 +67,12 @@ * Licensed under the GPL v2 or later, see the file LICENSE in this tarball. */ - -#include <glob.h> /* glob, of course */ -/* #include <dmalloc.h> */ - #include "busybox.h" /* for APPLET_IS_NOFORK/NOEXEC */ - -// TEMP -#define ENABLE_HUSH_CASE 0 +#include <glob.h> +/* #include <dmalloc.h> */ +#if ENABLE_HUSH_CASE +#include <fnmatch.h> +#endif #if !BB_MMU && ENABLE_HUSH_TICK @@ -2064,6 +2062,10 @@ static int run_list(struct pipe *pi) rpipe = NULL; #endif + /* Past this point, all code paths should jump to ret: label + * in order to return, no direct "return" statements. + * This helps to ensure that no memory is leaked */ + #if ENABLE_HUSH_JOB /* Example of nested list: "while true; do { sleep 1 | exit 2; } done". * We are saving state before entering outermost list ("while...done") @@ -2170,6 +2172,7 @@ static int run_list(struct pipe *pi) if (!*for_lcur) { /* for loop is over, clean up */ free(for_list); + for_list = NULL; for_lcur = NULL; flag_rep = 0; pi->progs->argv[0] = for_varname; @@ -2195,14 +2198,21 @@ static int run_list(struct pipe *pi) #endif #if ENABLE_HUSH_CASE if (rword == RES_CASE) { - case_word = pi->progs->argv[0]; + case_word = expand_strvec_to_string(pi->progs->argv); + //bb_error_msg("case: arg:'%s' case_word:'%s'", pi->progs->argv[0], case_word); continue; } if (rword == RES_MATCH) { if (case_word) { - next_if_code = strcmp(case_word, pi->progs->argv[0]); - if (next_if_code == 0) + char *pattern = expand_strvec_to_string(pi->progs->argv); + /* TODO: which FNM_xxx flags to use? */ + next_if_code = fnmatch(pattern, case_word, /*flags:*/ 0); + //bb_error_msg("fnmatch('%s','%s'):%d", pattern, case_word, next_if_code); + free(pattern); + if (next_if_code == 0) { + free(case_word); case_word = NULL; + } continue; } break; @@ -2276,6 +2286,12 @@ static int run_list(struct pipe *pi) } #endif debug_printf_exec("run_list lvl %d return %d\n", run_list_level + 1, rcode); +#if ENABLE_HUSH_LOOPS + free(for_list); +#endif +#if ENABLE_HUSH_CASE + free(case_word); +#endif return rcode; } |