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70 lines
2.9 KiB
C
70 lines
2.9 KiB
C
// -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*-
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// Copyright (c) 2007, Google Inc.
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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 are
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// met:
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//
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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
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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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 FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// ---
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// Author: Craig Silverstein <opensource@google.com>
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//
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// Some obscure memory-allocation routines may not be declared on all
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// systems. In those cases, we'll just declare them ourselves.
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// This file is meant to be used only internally, for unittests.
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#include <config.h>
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#ifndef _XOPEN_SOURCE
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# define _XOPEN_SOURCE 600 // for posix_memalign
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#endif
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#include <stdlib.h> // for posix_memalign
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// FreeBSD has malloc.h, but complains if you use it
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#if defined(HAVE_MALLOC_H) && !defined(__FreeBSD__)
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#include <malloc.h> // for memalign, valloc, pvalloc
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#endif
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// __THROW is defined in glibc systems. It means, counter-intuitively,
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// "This function will never throw an exception." It's an optional
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// optimization tool, but we may need to use it to match glibc prototypes.
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#ifndef __THROW // I guess we're not on a glibc system
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# define __THROW // __THROW is just an optimization, so ok to make it ""
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#endif
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#if !HAVE_DECL_CFREE
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extern "C" void cfree(void* ptr) __THROW;
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#endif
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#if !HAVE_DECL_POSIX_MEMALIGN
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extern "C" int posix_memalign(void** ptr, size_t align, size_t size) __THROW;
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#endif
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#if !HAVE_DECL_MEMALIGN
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extern "C" void* memalign(size_t __alignment, size_t __size) __THROW;
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#endif
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#if !HAVE_DECL_VALLOC
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extern "C" void* valloc(size_t __size) __THROW;
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#endif
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#if !HAVE_DECL_PVALLOC
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extern "C" void* pvalloc(size_t __size) __THROW;
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#endif
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