X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fprotocol.c;h=eadca13fc3790a3ddd41750f5c864cf0bce596db;hp=5b8b7ba3372e9b40b0b4321f694ee49ce8564d38;hb=ed20896612bcee11ff4180ff78ede950623c2fa6;hpb=4a5c12ec97fa1e82aae2d327fdc648e5203eb478

diff --git a/src/protocol.c b/src/protocol.c
index 5b8b7ba3..eadca13f 100644
--- a/src/protocol.c
+++ b/src/protocol.c
@@ -1,7 +1,7 @@
 /*
     protocol.c -- handle the meta-protocol, basic functions
     Copyright (C) 1999-2005 Ivo Timmermans,
-                  2000-2015 Guus Sliepen <guus@tinc-vpn.org>
+                  2000-2016 Guus Sliepen <guus@tinc-vpn.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -75,10 +75,11 @@ bool send_request(connection_t *c, const char *format, ...) {
 	   input buffer anyway */
 
 	va_start(args, format);
-	len = vsnprintf(buffer, MAXBUFSIZE, format, args);
+	len = vsnprintf(buffer, sizeof buffer, format, args);
+	buffer[sizeof buffer - 1] = 0;
 	va_end(args);
 
-	if(len < 0 || len > MAXBUFSIZE - 1) {
+	if(len < 0 || len > sizeof buffer - 1) {
 		logger(LOG_ERR, "Output buffer overflow while sending request to %s (%s)",
 			   c->name, c->hostname);
 		return false;