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62 lines
2.1 KiB
C++
62 lines
2.1 KiB
C++
#pragma once
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/// Arcadia compatibility DEVTOOLS-3976
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#if defined(MEMRCHR_INCLUDE)
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#include MEMRCHR_INCLUDE
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#else
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/*
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* Copyright (C) 2008 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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#ifdef __APPLE__
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#include <stddef.h>
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#include <string.h>
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#if defined (__cplusplus)
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extern "C" {
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#endif
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inline void *memrchr(const void *s, int c, size_t n) {
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if (n > 0) {
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const char* p = static_cast<const char *>(s);
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const char* q = p + n;
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while (1) {
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q--; if (q < p || q[0] == c) break;
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q--; if (q < p || q[0] == c) break;
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q--; if (q < p || q[0] == c) break;
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q--; if (q < p || q[0] == c) break;
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}
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if (q >= p)
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return reinterpret_cast<void *>(const_cast<char *>(q));
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}
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return NULL;
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}
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#if defined (__cplusplus)
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}
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#endif
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#endif
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#endif
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