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Check return value before dereferencing (Bug 8822)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@50987 65c4cc65-6c06-0410-ace0-fbb531ad65f3
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Tilghman Lesher
2007-01-15 23:09:02 +00:00
parent 741131aaa2
commit e9b6a2c807
1 changed files with 2 additions and 1 deletions
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3
apps/app_groupcount.c
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@@ -70,7 +70,8 @@ static int group_count_exec(struct ast_channel *chan, void *data)
if (ast_strlen_zero(group)) { if (ast_strlen_zero(group)) {
grp = pbx_builtin_getvar_helper(chan, category); grp = pbx_builtin_getvar_helper(chan, category);
strncpy(group, grp, sizeof(group) - 1); if (!ast_strlen_zero(grp))
ast_copy_string(group, grp, sizeof(group));
} }
count = ast_app_group_get_count(group, category); count = ast_app_group_get_count(group, category);