vlc_strcasestr(): fix infinite loop an invalid haystack

Pointed-out-by: Edward Wang <edward.c.wang@compdigitec.com>

diff --git a/src/text/unicode.c b/src/text/unicode.c
index 789d0a11d46b0cc76da91644296877a6c48b3077..c6b066993f86bd33fb30ed4dc1685e1b77ca9c86 100644 (file)
--- a/src/text/unicode.c
+++ b/src/text/unicode.c
@@ -237,7 +237,7 @@ char *vlc_strcasestr (const char *haystack, const char *needle)
         s = vlc_towc (haystack, &(uint32_t) { 0 });
         haystack += s;
     }
-    while (s != 0);
+    while (s > 0);
 
     return NULL;
 }