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Re: Use libc_hidden_* for atoi (bug 15105)


On Wed, Feb 21, 2018 at 3:24 PM, Joseph Myers <joseph@codesourcery.com> wrote:
> Continuing the fixes for localplt test failures with -Os arising from
> functions not being inlined in that case, this patch fixes such
> failures for atoi by using libc_hidden_proto and libc_hidden_def.
>
> Tested for x86_64 (both that it removes this particular localplt
> failure for -Os - but other such failures remain so the bug can't yet
> be closed - and that the testsuite continues to pass without -Os).
>
> 2018-02-21  Joseph Myers  <joseph@codesourcery.com>
>
>         [BZ #15105]
>         * stdlib/atoi.c (atoi): Use libc_hidden_def.
>         * include/stdlib.h [!_ISOMAC] (atoi): Use libc_hidden_proto.
>
> diff --git a/include/stdlib.h b/include/stdlib.h
> index 5974fb3..114e12d 100644
> --- a/include/stdlib.h
> +++ b/include/stdlib.h
> @@ -210,6 +210,8 @@ libc_hidden_proto (strtoll)
>  libc_hidden_proto (strtoul)
>  libc_hidden_proto (strtoull)
>
> +libc_hidden_proto (atoi)
> +
>  extern float __strtof_nan (const char *, char **, char);
>  extern double __strtod_nan (const char *, char **, char);
>  extern long double __strtold_nan (const char *, char **, char);
> diff --git a/stdlib/atoi.c b/stdlib/atoi.c
> index a6c3f1d..c428584 100644
> --- a/stdlib/atoi.c
> +++ b/stdlib/atoi.c
> @@ -26,3 +26,4 @@ atoi (const char *nptr)
>  {
>    return (int) strtol (nptr, (char **) NULL, 10);
>  }
> +libc_hidden_def (atoi)
>

LGTM.

Thanks.

-- 
H.J.


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