wlist.c, wl_find(), avoid crash when `string' argument is NULL

2016-10-13 17:52:16 +02:00 · 2016-10-13 17:52:16 +02:00 · 52a1a58e14
parent e4e24f74e6
commit 52a1a58e14
1 changed files with 3 additions and 0 deletions
--- a/src/misc/wlist.c
+++ b/src/misc/wlist.c
@ -347,6 +347,9 @@ wl_chop_rest(wordlist *wl)
 wordlist *
 wl_find(const char *string, const wordlist *wl)
 {
+    if (!string)
+        return NULL;
+
    for (; wl; wl = wl->wl_next)
        if (eq(string, wl->wl_word))
            break;