use __attribute__ to catch printf format mistakes

[cgit.git] / cache.h

diff --git a/cache.h b/cache.h
index ac9276b5c43a410147bb63fa27565fc79d35e3f6..5cfdb4f37a2a82f5d83f073628d4d3803c97a551 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -30,6 +30,7 @@ extern int cache_process(int size, const char *path, const char *key, int ttl,
 extern int cache_ls(const char *path);
 
 /* Print a message to stdout */
+__attribute__((format (printf,1,2)))
 extern void cache_log(const char *format, ...);
 
 extern unsigned long hash_str(const char *str);