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48 lines
2.1 KiB
48 lines
2.1 KiB
/*
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* Copyright (C) 2017 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _STDLIB_H
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#error "Never include this file directly; instead, include <stdlib.h>"
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#endif
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#if defined(__BIONIC_FORTIFY)
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/* PATH_MAX is unavailable without polluting the namespace, but it's always 4096 on Linux */
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#define __PATH_MAX 4096
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char* realpath(const char* path, char* resolved)
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__clang_error_if(!path, "'realpath': NULL path is never correct; flipped arguments?")
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__clang_error_if(__bos_unevaluated_lt(__bos(resolved), __PATH_MAX),
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"'realpath' output parameter must be NULL or a pointer to a buffer "
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"with >= PATH_MAX bytes");
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/* No need for a definition; the only issues we can catch are at compile-time. */
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#undef __PATH_MAX
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#endif /* defined(__BIONIC_FORTIFY) */
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