[PATCH] libc/include/math.h: Remove parameter name

[Jeff Johnston]

Hi Christophe,

Can you please resend the patch as an attachment?

Thanks,

-- Jeff J.

On Mon, Sep 21, 2020 at 11:29 AM Christophe Lyon via Newlib <
newlib@sourceware.org> wrote:

> As discussed in GCC bug 97088
> (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97088), parameters in
> prototypes of library functions should use reserved names, or no name
> at all.
>
> This patch removes the 'x' parameter name from
> extern int __isinff (float);
> extern int __isinfd (double);
> extern int __isnanf (float);
> extern int __isnand (double);
> extern int __fpclassifyf (float);
> extern int __fpclassifyd (double);
> extern int __signbitf (float);
> extern int __signbitd (double);
>
> to avoid possible clashes with user code in case someone uses
> before including Newlib's math.h (or uses some other conflicting
> definition)
> ---
>  newlib/libc/include/math.h | 16 ++++++++--------
>  1 file changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/newlib/libc/include/math.h b/newlib/libc/include/math.h
> index 5e6155c..ba1a8a1 100644
> --- a/newlib/libc/include/math.h
> +++ b/newlib/libc/include/math.h
> @@ -201,14 +201,14 @@ extern int isnan (double);
>  # define math_errhandling (_MATH_ERRHANDLING_ERRNO |
> _MATH_ERRHANDLING_ERREXCEPT)
>  #endif
>
> -extern int __isinff (float x);
> -extern int __isinfd (double x);
> -extern int __isnanf (float x);
> -extern int __isnand (double x);
> -extern int __fpclassifyf (float x);
> -extern int __fpclassifyd (double x);
> -extern int __signbitf (float x);
> -extern int __signbitd (double x);
> +extern int __isinff (float);
> +extern int __isinfd (double);
> +extern int __isnanf (float);
> +extern int __isnand (double);
> +extern int __fpclassifyf (float);
> +extern int __fpclassifyd (double);
> +extern int __signbitf (float);
> +extern int __signbitd (double);
>
>  /* Note: isinf and isnan were once functions in newlib that took double
>   *       arguments.  C99 specifies that these names are reserved for
> macros
> --
> 2.7.4
>
>