1 files changed, 2 insertions, 0 deletions
diff --git a/common.h b/common.h
index 4251781..68573b4 100644
--- a/common.h
+++ b/common.h
@@ -53,4 +53,6 @@ static inline const char *strerror_(int errnum)
 
 #define strerror(x) @ "Don't call strerror() directly, use strerror_() instead"
 
+#define ARRAY_SIZE(a)		((int)(sizeof(a) / sizeof((a)[0])))
+
 #endif /* COMMON_H */