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/* Multiple versions of memmem.
Copyright (C) 2018-2022 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/>. */
#include <ifunc-memmem.h>
#if HAVE_MEMMEM_IFUNC
# define memmem __redirect_memmem
# define __memmem __redirect___memmem
# include <string.h>
# include <ifunc-resolve.h>
# undef memmem
# undef __memmem
# if HAVE_MEMMEM_C
extern __typeof (__redirect_memmem) MEMMEM_C attribute_hidden;
# endif
# if HAVE_MEMMEM_Z13
extern __typeof (__redirect_memmem) MEMMEM_Z13 attribute_hidden;
# endif
# if HAVE_MEMMEM_ARCH13
extern __typeof (__redirect_memmem) MEMMEM_ARCH13 attribute_hidden;
# endif
s390_libc_ifunc_expr (__redirect_memmem, __memmem,
(HAVE_MEMMEM_ARCH13 && (hwcap & HWCAP_S390_VXRS_EXT2))
? MEMMEM_ARCH13
: (HAVE_MEMMEM_Z13 && (hwcap & HWCAP_S390_VX))
? MEMMEM_Z13
: MEMMEM_DEFAULT
)
weak_alias (__memmem, memmem)
#endif
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