From f162e7d09d4023bb8c7e15d80105f46da4b92437 Mon Sep 17 00:00:00 2001 From: Matt Kraai Date: Wed, 2 May 2001 14:48:48 +0000 Subject: Don't segfault if the first word is the empty string. --- shell/hush.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'shell/hush.c') diff --git a/shell/hush.c b/shell/hush.c index 2e65f0b6d..9134251f5 100644 --- a/shell/hush.c +++ b/shell/hush.c @@ -1298,7 +1298,7 @@ static int globhack(const char *src, int flags, glob_t *pglob) int cnt, pathc; const char *s; char *dest; - for (cnt=1, s=src; *s; s++) { + for (cnt=1, s=src; s && *s; s++) { if (*s == '\\') s++; cnt++; } @@ -1315,7 +1315,7 @@ static int globhack(const char *src, int flags, glob_t *pglob) if (pglob->gl_pathv == NULL) return GLOB_NOSPACE; pglob->gl_pathv[pathc-1]=dest; pglob->gl_pathv[pathc]=NULL; - for (s=src; *s; s++, dest++) { + for (s=src; s && *s; s++, dest++) { if (*s == '\\') s++; *dest = *s; } @@ -1482,6 +1482,8 @@ int reserved_word(o_string *dest, struct p_context *ctx) { "done", RES_DONE, FLAG_END } }; struct reserved_combo *r; + if (dest->data == NULL) + return 0; for (r=reserved_list; #define NRES sizeof(reserved_list)/sizeof(struct reserved_combo) r