From 881f408458d56e6876495d84a005b87877513e4d Mon Sep 17 00:00:00 2001
From: Matt <ukyg9e5r6k7gubiekd6@yahoo.com>
Date: Thu, 8 Jan 2015 03:47:34 -0500
Subject: The STARTSWITH macro in libgps_json.c uses sizeof when it means
 strlen.

---
 libgps_json.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libgps_json.c b/libgps_json.c
index ff060f67..e30c6e99 100644
--- a/libgps_json.c
+++ b/libgps_json.c
@@ -395,7 +395,7 @@ int libgps_json_unpack(const char *buf,
 
     if (classtag == NULL)
 	return -1;
-#define STARTSWITH(str, prefix)	strncmp(str, prefix, sizeof(prefix)-1)==0
+#define STARTSWITH(str, prefix)	strncmp(str, prefix, strlen(prefix)-1)==0
     if (STARTSWITH(classtag, "\"class\":\"TPV\"")) {
 	status = json_tpv_read(buf, gpsdata, end);
 	gpsdata->status = STATUS_FIX;
-- 
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