Re: [PATCH] fix potential infinite loop given large unsigned integer

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On Sunday 09 August 2009, Erik Faye-Lund wrote:
> On Sun, Aug 9, 2009 at 9:38 AM, Junio C Hamano<gitster@xxxxxxxxx> wrote:
> > +               static char num_buf[64];
> >                rev.total = total + start_number - 1;
> > +               sprintf(num_buf, "%d", rev.total);
> > +               rev.num_width = strlen(num_buf);
>
> how about
> rev.num_width = (int)log10((double)rev.total) + 1;
>
> hm?
>
> log10() appears to be C99, but can be emulated on earlier C-versions by
> doing #define log10(x) (log(x) / log(10.0))

That would mean linking with -lm?

Regards,
Christian.
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