From: Andrew Chambers <andrewchamberss@gmail.com>
Date: Sun, 20 May 2012 00:17:09 +0000 (+0800)
Subject: null exception with null extensions list
X-Git-Tag: 1.2~9
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d5512179fc0eb0eb3a66818e0a63ffe95f3deef3;p=profile%2Fivi%2Flibwebsockets.git

null exception with null extensions list

I was under the impression extensions could be null, so heres a patch to fix this error in libwebsockets. Cheers!

Signed-off-by: Andrew Chambers <andrewchamberss@gmail.com>

--
---

diff --git a/lib/libwebsockets.c b/lib/libwebsockets.c
index 5a28f30..4b5ec8b 100644
--- a/lib/libwebsockets.c
+++ b/lib/libwebsockets.c
@@ -2946,11 +2946,14 @@ libwebsocket_create_context(int port, const char *interf,
 	m = LWS_EXT_CALLBACK_CLIENT_CONTEXT_CONSTRUCT;
 	if (port)
 		m = LWS_EXT_CALLBACK_SERVER_CONTEXT_CONSTRUCT;
-	while (extensions->callback) {
-		debug("  Extension: %s\n", extensions->name);
-		extensions->callback(context, extensions,
-							NULL, m, NULL, NULL, 0);
-		extensions++;
+	
+	if (extensions) {
+	    while (extensions->callback) {
+		    debug("  Extension: %s\n", extensions->name);
+		    extensions->callback(context, extensions,
+						NULL, m, NULL, NULL, 0);
+		    extensions++;
+	    }
 	}
 
 	return context;