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71 lines
2.8 KiB
C
71 lines
2.8 KiB
C
/* Dummy nop functions to elicit link-time warnings.
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Copyright (C) 2005-2014 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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In addition to the permissions in the GNU Lesser General Public
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License, the Free Software Foundation gives you unlimited
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permission to link the compiled version of this file with other
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programs, and to distribute those programs without any restriction
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coming from the use of this file. (The GNU Lesser General Public
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License restrictions do apply in other respects; for example, they
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cover modification of the file, and distribution when not linked
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into another program.)
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Note that people who make modified versions of this file are not
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obligated to grant this special exception for their modified
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versions; it is their choice whether to do so. The GNU Lesser
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General Public License gives permission to release a modified
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version without this exception; this exception also makes it
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possible to release a modified version which carries forward this
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exception.
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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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#include <sys/cdefs.h>
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static void
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__attribute__ ((used))
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nop (void)
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{
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}
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/* Don't insert any other #include's before this #undef! */
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#undef __warndecl
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#define __warndecl(name, msg) \
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extern void name (void) __attribute__ ((alias ("nop"))) attribute_hidden; \
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link_warning (name, msg)
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#undef __USE_FORTIFY_LEVEL
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#define __USE_FORTIFY_LEVEL 99
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/* Following here we need an #include for each public header file
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that uses __warndecl. */
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/* Define away to avoid warnings with compilers that do not have these
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builtins. */
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#define __builtin___memcpy_chk(dest, src, len, bos) NULL
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#define __builtin___memmove_chk(dest, src, len, bos) NULL
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#define __builtin___mempcpy_chk(dest, src, len, bos) NULL
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#define __builtin___memset_chk(dest, ch, len, bos) NULL
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#define __builtin___stpcpy_chk(dest, src, bos) NULL
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#define __builtin___strcat_chk(dest, src, bos) NULL
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#define __builtin___strcpy_chk(dest, src, bos) NULL
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#define __builtin___strncat_chk(dest, src, len, bos) NULL
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#define __builtin___strncpy_chk(dest, src, len, bos) NULL
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#define __builtin_object_size(bos, level) 0
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#include <string.h>
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