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cleanup: never return uninitialized buffer

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Coverity noticed this function may return untouched buffer,
however in this state can't really happen, but anyway
ensure on error path the buffer will have zero lenght string.
This commit is contained in:
Zdenek Kabelac 2014-08-21 15:35:29 +02:00
parent 8f518cf197
commit e5356eeba1
1 changed files with 3 additions and 1 deletions
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4
lib/config/config.c
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@ -602,8 +602,10 @@ static int _cfg_def_make_path(char *buf, size_t buf_size, int id, cfg_def_item_t
int parent_id = item->parent;
int count, n;
if (id == parent_id)
if (id == parent_id) {
buf[0] = '\0';
return 0;
}
count = _cfg_def_make_path(buf, buf_size, parent_id, cfg_def_get_item_p(parent_id), xlate);
if ((n = dm_snprintf(buf + count, buf_size - count, "%s%s%s%s",