common: add ATTR_FMT_PRINTF wrapper

Wraps around __attribute__((format(printf, (x), (y))))

diff --git a/src/suricata-common.h b/src/suricata-common.h
index 6bbd224addf675c92aedf206897ff766e5d4ee61..363651725045e5a287f39abc7b8dc05f0989cbe3 100644 (file)
--- a/src/suricata-common.h
+++ b/src/suricata-common.h
@@ -371,6 +371,12 @@
 
 #define WARN_UNUSED __attribute__((warn_unused_result))
 
+#if defined(__GNUC__)
+#define ATTR_FMT_PRINTF(x, y) __attribute__((format(printf, (x), (y))))
+#else
+#define ATTR_FMT_PRINTF(x, y)
+#endif
+
 #define SCNtohl(x) (uint32_t)ntohl((x))
 #define SCNtohs(x) (uint16_t)ntohs((x))