[Q.921] Init buffers with zeroes

git-svn-id: http://svn.openzap.org/svn/openzap/trunk@526 a93c3328-9c30-0410-af19-c9cd2b2d52af

libs/openzap/src/isdn/Q921.c

@@ -576,6 +576,7 @@ static int Q921LogMesg(L2TRUNK trunk, Q921LogLevel_t level, L2UCHAR received, L2
 	if(!mes)
 		return 0;
 
+	memset(buf, 0, sizeof(buf));
 
 	left = sizeof(buf) - 1;
 
@@ -598,6 +599,8 @@ static int Q921LogMesg(L2TRUNK trunk, Q921LogLevel_t level, L2UCHAR received, L2
 		L2UCHAR *pmes = mes + trunk->Q921HeaderSpace;
 		struct Q921_Link *link;
 
+		memset(pbuf, 0, sizeof(pbuf));
+
 		pleft   = sizeof(pbuf);
 		poffset = 0;