From bbbd010b94f02832ad4ac6e8fddb3e95b7e542ac Mon Sep 17 00:00:00 2001 From: Michael Jerris Date: Sun, 25 Feb 2007 22:44:36 +0000 Subject: [PATCH] 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 --- src/switch_channel.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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; }