X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fprotocol.c;h=fa169f32733550920c2760a5ca4ae027e6fd909c;hp=5b8b7ba3372e9b40b0b4321f694ee49ce8564d38;hb=d49a336658d772821bee2dbe97df3d4f748c8c4c;hpb=546c7375e8c7bf8bbbf2637178d87501d509577c

diff --git a/src/protocol.c b/src/protocol.c
index 5b8b7ba3..fa169f32 100644
--- a/src/protocol.c
+++ b/src/protocol.c
@@ -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;