Re: [PATCH 3/4] describe: use argv-array

[Junio C Hamano <gitster@pobox.com>]

Jeff King <peff@peff.net> writes:

> On Sun, Jul 07, 2013 at 03:33:43PM -0700, Junio C Hamano wrote:
>
>> +		argv_array_init(&args);
>> +		argv_array_push(&args, "name-rev");
>> +		argv_array_push(&args, "--name-only");
>> +		argv_array_push(&args, "--no-undefined");
>> [...]
>> -		memcpy(args + i, argv, argc * sizeof(char *));
>> -		args[i + argc] = NULL;
>> -		return cmd_name_rev(i + argc, args, prefix);
>> +		return cmd_name_rev(args.argc, args.argv, prefix);
>
> This leaks the memory allocated by "args". The original did, too, and it
> is probably not that big a deal (we exit right after anyway). The fix
> would be something like:
>
>   rc = cmd_name_rev(args.argc, args.argv, prefix);
>   argv_array_clear(&args);
>   return rc;

Yes; this was meant as a straight rewrite and I did not bother, but
I should have cleaned it up as I meant to build on top.

Will amend, even though I do not think we need to build anything on
top.