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43 lines
1.6 KiB
C
43 lines
1.6 KiB
C
/* Multiple versions of strncpy.
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Copyright (C) 2014-2018 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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<http://www.gnu.org/licenses/ >. */
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/* Define multiple versions only for definition in libc. */
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#if IS_IN (libc)
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# define strncpy __redirect_strncpy
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/* Omit the strncpy inline definitions because it would redefine strncpy. */
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# define __NO_STRING_INLINES
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# include <string.h>
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# include <shlib-compat.h>
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# include "init-arch.h"
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extern __typeof (strncpy) __strncpy_ppc attribute_hidden;
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extern __typeof (strncpy) __strncpy_power7 attribute_hidden;
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extern __typeof (strncpy) __strncpy_power8 attribute_hidden;
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# undef strncpy
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/* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
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ifunc symbol properly. */
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libc_ifunc_redirected (__redirect_strncpy, strncpy,
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(hwcap2 & PPC_FEATURE2_ARCH_2_07)
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? __strncpy_power8
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: (hwcap & PPC_FEATURE_HAS_VSX)
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? __strncpy_power7
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: __strncpy_ppc);
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#endif
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