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50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
/* Multiple versions of memmem.
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Copyright (C) 2018-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <ifunc-memmem.h>
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#if HAVE_MEMMEM_IFUNC
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# define memmem __redirect_memmem
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# define __memmem __redirect___memmem
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# include <string.h>
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# include <ifunc-resolve.h>
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# undef memmem
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# undef __memmem
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# if HAVE_MEMMEM_C
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extern __typeof (__redirect_memmem) MEMMEM_C attribute_hidden;
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# endif
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# if HAVE_MEMMEM_Z13
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extern __typeof (__redirect_memmem) MEMMEM_Z13 attribute_hidden;
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# endif
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# if HAVE_MEMMEM_ARCH13
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extern __typeof (__redirect_memmem) MEMMEM_ARCH13 attribute_hidden;
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# endif
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s390_libc_ifunc_expr (__redirect_memmem, __memmem,
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(HAVE_MEMMEM_ARCH13 && (hwcap & HWCAP_S390_VXRS_EXT2))
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? MEMMEM_ARCH13
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: (HAVE_MEMMEM_Z13 && (hwcap & HWCAP_S390_VX))
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? MEMMEM_Z13
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: MEMMEM_DEFAULT
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)
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weak_alias (__memmem, memmem)
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#endif
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