Fix: segfault when print invalid command

[lttng-ust.git] / include / helper.h

diff --git a/include/helper.h b/include/helper.h
index b9448e3324febca1f1923b6ef01c53532529d36c..9d6617a8de044b2f1fa04481c9c1874cb8ffbcd2 100644 (file)
--- a/include/helper.h
+++ b/include/helper.h
@@ -41,4 +41,6 @@ void *zmalloc(size_t len)
                __min1 <= __min2 ? __min1: __min2;      \
        })
 
+#define LTTNG_ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+
 #endif /* _LTTNG_UST_HELPER_H */