X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fprotocol.c;h=b9abccc3566e34bb0f3b3cb804921c4998e4e455;hb=e16ab7b89948c24a2c47652e8eb1a817a4b1424c;hp=f533a932c6e94dfee216073260db53e0155e59ae;hpb=7e6b2dd1ea51057b7135139c200d97a9e8f9c9cb;p=tinc

diff --git a/src/protocol.c b/src/protocol.c
index f533a932..b9abccc3 100644
--- a/src/protocol.c
+++ b/src/protocol.c
@@ -72,10 +72,11 @@ bool send_request(connection_t *c, const char *format, ...) {
 	   input buffer anyway */
 
 	va_start(args, format);
-	len = vsnprintf(request, MAXBUFSIZE, format, args);
+	len = vsnprintf(request, sizeof request, format, args);
+	request[sizeof request - 1] = 0;
 	va_end(args);
 
-	if(len < 0 || len > MAXBUFSIZE - 1) {
+	if(len < 0 || len > sizeof request - 1) {
 		logger(DEBUG_ALWAYS, LOG_ERR, "Output buffer overflow while sending request to %s (%s)",
 			   c->name, c->hostname);
 		return false;