Re: [PATCH -v1.1] x86, boot: Further compress CPUs bootup message

[H. Peter Anvin]

If the goal is to feed this to the field width in printf, which I would think would be the dominant use, then you do have to account for the minus sign.

Borislav Petkov <bp@xxxxxxxxx> wrote:
>On Sat, Sep 28, 2013 at 04:13:29PM -0700, H. Peter Anvin wrote:
>> For negative numbers presumably we need to d++ for the minus sign,
>no?
>
>That's easy - the function is called num_digits, so we count only
>digits.
>
>The real question is, is there a use case where we would need to count
>the sign too or only the digits?
>
>And since I can't be clairvoyant, I'll leave it to future generations
>to
>decide what to do with the sign.
>
>:-)

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