# HG changeset patch
# User Thorsten Horstmann <thorsten.horstmann@web.de>
# Date 1424788886 -28800
# Node ID a5b785c1234077430617cd4346100aa95a1595de
# Parent  38d2f6b2d1b879913ee20b43da2865cf8e0b1ffb
Avoid cppcheck warning

diff -r 38d2f6b2d1b8 -r a5b785c12340 buffer.c
--- a/buffer.c	Tue Feb 24 22:36:20 2015 +0800
+++ b/buffer.c	Tue Feb 24 22:41:26 2015 +0800
@@ -99,7 +99,9 @@
 
 	ret = buf_new(buf->len);
 	ret->len = buf->len;
-	memcpy(ret->data, buf->data, buf->len);
+	if (buf->len > 0) {
+	    memcpy(ret->data, buf->data, buf->len);
+	}
 	return ret;
 }