Re: [PATCH v2 3/7] url: add str wrapper for end_url_with_slash()

> Tay Ray Chuan wrote:
>
>> --- a/url.c
>> +++ b/url.c
>> @@ -132,3 +132,11 @@ void end_url_with_slash(struct strbuf *buf, const char *url)
>>       if (buf->len && buf->buf[buf->len - 1] != '/')
>>               strbuf_addstr(buf, "/");
>>  }
>> +
>> +void str_end_url_with_slash(const char *url, char **dest) {
>> +     struct strbuf buf = STRBUF_INIT;
>> +     end_url_with_slash(&buf, url);
>> +     if (dest)
>> +             free(*dest);
>> +     *dest = strbuf_detach(&buf, NULL);
>
> I think this should be
>
>        end_url_with_slash(&buf, url);
>        free(*dest);
>        *dest = strbuf_detach(...
>
> If dest were NULL, the assignment would segfault anyway.  If dest were
> non-NULL and *dest NULL, the free() would be a no-op.