Re: [PATCH] Simplify strchrnul() compat code

> David Symonds schrieb:
> > On Nov 12, 2007 8:12 PM, Johannes Sixt <j.sixt@viscovery.net> wrote:
> >> David Symonds schrieb:
> >>> I don't think I have __GLIBC_PREREQ defined anywhere I can find.
> >> Turn the && in that line into || and it should work.
> >
> > Nope, no dice. Plus, that'd change the logic. I also tried turning the
> > (!X && !Y) into (X || Y) to no avail.
>
> Ok, then how about this?
>
> ---
> diff --git a/git-compat-util.h b/git-compat-util.h
> index 3d147b6..276a437 100644
> --- a/git-compat-util.h
> +++ b/git-compat-util.h
> @@ -184,7 +184,13 @@ void *gitmemmem(const void *haystack,
>                   const void *needle, size_t needlelen);
>   #endif
>
> -#if !defined(__GLIBC_PREREQ) && !__GLIBC_PREREQ(2, 1)
> +#ifdef __GLIBC_PREREQ
> +#if __GLIBC_PREREQ(2, 1)
> +#define HAVE_STRCHRNUL
> +#endif
> +#endif
> +
> +#ifndef HAVE_STRCHRNUL
>
>   #define strchrnul gitstrchrnul
>   static inline char *gitstrchrnul(const char *s, int c)
>   {