util: mark strhash with nonnull

Signed-off-by: Julien Danjou <julien@danjou.info>
2009-11-09 20:43:18 +01:00 · 2009-11-09 20:43:18 +01:00 · da9664f812
parent 0a9f7985f8
commit da9664f812
1 changed files with 1 additions and 1 deletions
--- a/common/util.h
+++ b/common/util.h
@ -314,7 +314,7 @@ a_strncat(char *dst, ssize_t n, const char *src, ssize_t l)
 /** Compute a hash for a string.
 * This is based on 'djb2' algorithm.
 */
-static inline unsigned long
+static inline unsigned long __attribute__ ((nonnull(1)))
 a_strhash(const unsigned char *str)
 {
    unsigned long hash = 5381;