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core/transaction: make merge_unit_ids() return non-NULL on success

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This commit is contained in:
Yu Watanabe 2023-03-18 12:17:54 +09:00
parent 366eced4c8
commit 999f165143
1 changed files with 3 additions and 0 deletions
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src/core/transaction.c
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@ -341,6 +341,9 @@ static char* merge_unit_ids(const char* unit_log_field, char * const* pairs) {
size += next + 1;
}
if (!ans)
return strdup("");
return TAKE_PTR(ans);
}