changeset 1360:46f068aaa480

find_in_path() is supposed to work with a NULL path, but didn't. Fix it.
author Rob Landley <rob@landley.net>
date Tue, 24 Jun 2014 08:19:24 -0500
parents fa1a3b9eed6f
children b6226bf22826
files lib/lib.c
diffstat 1 files changed, 5 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/lib/lib.c	Tue Jun 24 07:00:13 2014 -0500
+++ b/lib/lib.c	Tue Jun 24 08:19:24 2014 -0500
@@ -194,10 +194,13 @@
 struct string_list *find_in_path(char *path, char *filename)
 {
   struct string_list *rlist = NULL, **prlist=&rlist;
-  char *cwd = xgetcwd();
+  char *cwd;
 
+  if (!path) return 0;
+
+  cwd = xgetcwd();
   for (;;) {
-    char *next = path ? strchr(path, ':') : NULL;
+    char *next = strchr(path, ':');
     int len = next ? next-path : strlen(path);
     struct string_list *rnext;
     struct stat st;