From bbb33e5c41237f54e77a1968ad7d0ed06616a422 Mon Sep 17 00:00:00 2001
From: Russell Bryant <russell@russellbryant.com>
Date: Wed, 27 Jul 2005 22:43:18 +0000
Subject: [PATCH] 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
---
funcs/func_groupcount.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
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);
--
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