From: Michael Jerris <mike@jerris.com>
Date: Sun, 25 Feb 2007 22:44:36 +0000 (+0000)
Subject: don't strchr on NULL, second resolution to MODAPP-2
X-Git-Tag: v1.0-beta1~1006
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bbbd010b94f02832ad4ac6e8fddb3e95b7e542ac;p=thirdparty%2Ffreeswitch.git

don't strchr on NULL, second resolution to MODAPP-2

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@4393 d0543943-73ff-0310-b7d9-9358b9ac24b2
---

diff --git a/src/switch_channel.c b/src/switch_channel.c
index d5827f18ff..7e0e7fe88c 100644
--- a/src/switch_channel.c
+++ b/src/switch_channel.c
@@ -1202,7 +1202,7 @@ SWITCH_DECLARE(char *) switch_channel_expand_variables(switch_channel_t *channel
 	size_t sp = 0, len = 0, olen = 0, vtype = 0, br = 0, cpos, block = 128;
 	char *sub_val = NULL, *func_val = NULL;
 
-	if (!strchr(in, '$')) {
+	if (!in || !strchr(in, '$')) {
 		return in;
 	}