diff options
Diffstat (limited to 'src/misc/wordexp.c')
| -rw-r--r-- | src/misc/wordexp.c | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/src/misc/wordexp.c b/src/misc/wordexp.c index 617706e5..7a358686 100644 --- a/src/misc/wordexp.c +++ b/src/misc/wordexp.c @@ -7,7 +7,8 @@ #include <stdlib.h> #include <sys/wait.h> #include <signal.h> -#include <pthread.h> +#include <errno.h> +#include "pthread_impl.h" static char *getword(FILE *f) { @@ -28,6 +29,7 @@ static int do_wordexp(const char *s, wordexp_t *we, int flags) char **wv = 0; int p[2]; pid_t pid; + sigset_t set; if (flags & WRDE_REUSE) wordfree(we); @@ -87,7 +89,9 @@ static int do_wordexp(const char *s, wordexp_t *we, int flags) } if (pipe(p) < 0) return WRDE_NOSPACE; + __block_all_sigs(&set); pid = fork(); + __restore_sigs(&set); if (pid < 0) { close(p[0]); close(p[1]); @@ -98,7 +102,7 @@ static int do_wordexp(const char *s, wordexp_t *we, int flags) close(p[0]); close(p[1]); execl("/bin/sh", "sh", "-c", - "eval \"printf %s\\\\\\\\0 $1 $2\"", + "eval \"printf %s\\\\\\\\0 x $1 $2\"", "sh", s, redir, (char *)0); _exit(1); } @@ -114,6 +118,14 @@ static int do_wordexp(const char *s, wordexp_t *we, int flags) l = wv ? i+1 : 0; + free(getword(f)); + if (feof(f)) { + fclose(f); + while ((waitpid(pid, &status, 0) < 0 && errno == EINTR) + || !WIFEXITED(status)); + return WRDE_SYNTAX; + } + while ((w = getword(f))) { if (i+1 >= l) { l += l/2+10; @@ -127,15 +139,8 @@ static int do_wordexp(const char *s, wordexp_t *we, int flags) if (!feof(f)) err = WRDE_NOSPACE; fclose(f); - waitpid(pid, &status, 0); - if (WEXITSTATUS(status)) { - if (!(flags & WRDE_APPEND)) { - free(wv); - return WRDE_SYNTAX; - } else if (wv==we->we_wordv) { - return WRDE_SYNTAX; - } - } + while ((waitpid(pid, &status, 0) < 0 && errno == EINTR) + || !WIFEXITED(status)); we->we_wordv = wv; we->we_wordc = i; |