X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=util.h;h=148dbc155e5fe5d98f9e1749c244fdaf0a71e00b;hb=c58539bc9272b35d68ecfc6433c446def9279d9f;hp=6f748b890ddd21240f87a02940888ec5bfa5247a;hpb=a7afade1701a809f6a33b53525d59dd29b38d381;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);