From: Russell Bryant <russell@russellbryant.com>
Date: Wed, 27 Jul 2005 22:43:18 +0000 (+0000)
Subject: don't crash if no group is specified (bug #4836)
X-Git-Tag: 1.2.0-beta1~175
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=bbb33e5c41237f54e77a1968ad7d0ed06616a422;p=thirdparty%2Fasterisk.git

don't crash if no group is specified (bug #4836)


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@6237 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---

diff --git a/funcs/func_groupcount.c b/funcs/func_groupcount.c
index 292364a46b..66a7367ac6 100755
--- a/funcs/func_groupcount.c
+++ b/funcs/func_groupcount.c
@@ -33,8 +33,10 @@ static char *group_count_function_read(struct ast_channel *chan, char *cmd, char
 	ast_app_group_split_group(data, group, sizeof(group), category, sizeof(category));
 
 	if (ast_strlen_zero(group)) {
-		grp = pbx_builtin_getvar_helper(chan, category);
-		ast_copy_string(group, grp, sizeof(group));
+		if ((grp = pbx_builtin_getvar_helper(chan, category)))
+			ast_copy_string(group, grp, sizeof(group));
+		else
+			return buf;
 	}
 
 	count = ast_app_group_get_count(group, category);