From d607205486d7ea11f2cbf3dcc3d5e7e6b53f1d0f Mon Sep 17 00:00:00 2001
From: Maria Matejka <mq@ucw.cz>
Date: Wed, 14 Aug 2019 10:28:23 +0200
Subject: Not calling memcpy with n=0.

---
 lib/string.h | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'lib')

diff --git a/lib/string.h b/lib/string.h
index d6ae5ef7..0f650178 100644
--- a/lib/string.h
+++ b/lib/string.h
@@ -72,6 +72,15 @@ bstrcmp(const char *s1, const char *s2)
     return !s2 - !s1;
 }
 
+static inline void *
+bmemcpy(void *dest, const void *src, size_t n)
+{
+  if (n)
+    return memcpy(dest, src, n);
+  else
+    return dest;
+}
+
 #define ROUTER_ID_64_LENGTH 23
 
 #endif
-- 
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