From ac2d404d32d96a50a779ded7ad007f15bcf2b4b0 Mon Sep 17 00:00:00 2001
From: Kaspar Schleiser <kaspar@schleiser.de>
Date: Mon, 30 Nov 2015 02:11:12 +0100
Subject: [PATCH] fix uninitialized variable

coap.c: In function 'coap_build':
coap.c:298:17: error: 'len' may be used uninitialized in this function
[-Werror=maybe-uninitialized]
         uint8_t len, delta = 0;
                          ^
---
 coap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/coap.c b/coap.c
index ada66c2..b6b05af 100644
--- a/coap.c
+++ b/coap.c
@@ -295,7 +295,7 @@ int coap_build(uint8_t *buf, size_t *buflen, const coap_packet_t *pkt)
     for (i=0;i<pkt->numopts;i++)
     {
         uint32_t optDelta;
-        uint8_t len, delta = 0;
+        uint8_t len = 0, delta = 0;
 
         if (((size_t)(p-buf)) > *buflen)
              return COAP_ERR_BUFFER_TOO_SMALL;
-- 
2.6.2