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[thirdparty/glibc.git] / sysdeps / powerpc / powerpc64 / multiarch / strnlen.c

/* Multiple versions of strnlen.
   Copyright (C) 2013-2024 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

#if IS_IN (libc)
# define strnlen __redirect_strnlen
# define __strnlen __redirect___strnlen
# include <string.h>
# include <shlib-compat.h>
# include "init-arch.h"

extern __typeof (__strnlen) __strnlen_ppc attribute_hidden;
extern __typeof (__strnlen) __strnlen_power7 attribute_hidden;
extern __typeof (__strnlen) __strnlen_power8 attribute_hidden;
# undef strnlen
# undef __strnlen
libc_ifunc_redirected (__redirect___strnlen, __strnlen,
		       (hwcap2 & PPC_FEATURE2_ARCH_2_07
			&& hwcap & PPC_FEATURE_HAS_ALTIVEC)
		       ? __strnlen_power8 :
			 (hwcap & PPC_FEATURE_ARCH_2_06)
			 ? __strnlen_power7
			 : __strnlen_ppc);
weak_alias (__strnlen, strnlen)

#else
#include <string/strnlen.c>
#endif