From b4e12d616a76592e47598cbe8b1f8f67974629e9 Mon Sep 17 00:00:00 2001
From: martin-s <martin-s@ffa7fe5e-494d-0410-b361-a75ebd5db220>
Date: Sun, 16 Mar 2008 16:08:26 +0000
Subject: [PATCH] Fix:vehicle_gpsd:Fixed a buffer overrun

git-svn-id: https://navit.svn.sourceforge.net/svnroot/navit/trunk@945 ffa7fe5e-494d-0410-b361-a75ebd5db220
---
 navit/src/vehicle/gpsd/vehicle_gpsd.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/navit/src/vehicle/gpsd/vehicle_gpsd.c b/navit/src/vehicle/gpsd/vehicle_gpsd.c
index 9bd369e..2ed7626 100644
--- a/navit/src/vehicle/gpsd/vehicle_gpsd.c
+++ b/navit/src/vehicle/gpsd/vehicle_gpsd.c
@@ -44,8 +44,8 @@ vehicle_gpsd_callback(struct gps_data_t *data, char *buf, size_t len,
 {
 	char *pos,*nmea_data_buf;
 	struct vehicle_priv *priv = vehicle_last;
-	if (buf[0] == '$') {
-		char buffer[len+1];
+	if (buf[0] == '$' && len > 0) {
+		char buffer[len+2];
 		buffer[len+1]='\0';
 		memcpy(buffer, buf, len);
 		pos=strchr(buffer,'\n');
-- 
2.7.4