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

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@6237 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2005-07-27 22:43:18 +00:00
parent 80af1153bc
commit bbb33e5c41
1 changed files with 4 additions and 2 deletions
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6
funcs/func_groupcount.c
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@@ -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);