X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;ds=sidebyside;f=util.h;fp=util.h;h=148dbc155e5fe5d98f9e1749c244fdaf0a71e00b;hb=d8185d94e32f770bcf6d96a56f07fde81f1761e0;hp=6f748b890ddd21240f87a02940888ec5bfa5247a;hpb=8f3a5883fa89433551cf0107aa847b8e5be39300;p=slock.git

diff --git a/util.h b/util.h
index 6f748b8..148dbc1 100644
--- a/util.h
+++ b/util.h
@@ -1,2 +1,5 @@
+/* macros */
+#define LEN(a)			(sizeof(a) / sizeof(a)[0])
+
 #undef explicit_bzero
 void explicit_bzero(void *, size_t);