Re: [PATCH] builtin-tag.c: remove global variable to use the callback data of git-config.

[Carlos Rica <jasampler@gmail.com>]

On Tue, Mar 17, 2009 at 4:47 PM, Johannes Schindelin
<Johannes.Schindelin@gmx.de> wrote:
> Hi,
> On Tue, 17 Mar 2009, Carlos Rica wrote:
>> @@ -164,11 +162,10 @@ static int do_sign(struct strbuf *buffer)
>>       int len;
>>       int i, j;
>>
>> -     if (!*signingkey) {
>> -             if (strlcpy(signingkey, git_committer_info(IDENT_ERROR_ON_NO_NAME),
>> -                             sizeof(signingkey)) > sizeof(signingkey) - 1)
>> -                     return error("committer info too long.");
>> -             bracket = strchr(signingkey, '>');
>> +     if (!signingkey->buf[0]) {
>
> It is probably better to ask for !signingkey->len (think of trying to
> understand the code in 6 months from now).

I was in doubt here. By avoiding the use of signingkey->len  I was
trying to say that you cannot rely in such field if we touch the
buffer directly, as it happens below:

   bracket = strchr(signingkey->buf, '>');
   if (bracket)
      bracket[1] = '\0';