15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2007, Google Inc.
25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// All rights reserved.
35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//
45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Redistribution and use in source and binary forms, with or without
55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// modification, are permitted provided that the following conditions are
65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// met:
75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//
85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//     * Redistributions of source code must retain the above copyright
95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// notice, this list of conditions and the following disclaimer.
105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//     * Redistributions in binary form must reproduce the above
115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// copyright notice, this list of conditions and the following disclaimer
125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// in the documentation and/or other materials provided with the
135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// distribution.
145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//     * Neither the name of Google Inc. nor the names of its
155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// contributors may be used to endorse or promote products derived from
165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// this software without specific prior written permission.
175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//
185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// ---
315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Author: Craig Silverstein <opensource@google.com>
325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//
335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Some obscure memory-allocation routines may not be declared on all
345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// systems.  In those cases, we'll just declare them ourselves.
355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// This file is meant to be used only internally, for unittests.
365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <config.h>
385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef _XOPEN_SOURCE
405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)# define _XOPEN_SOURCE 600  // for posix_memalign
415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif
425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <stdlib.h>         // for posix_memalign
435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// FreeBSD has malloc.h, but complains if you use it
445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(HAVE_MALLOC_H) && !defined(__FreeBSD__)
455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <malloc.h>         // for memalign, valloc, pvalloc
465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif
475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// __THROW is defined in glibc systems.  It means, counter-intuitively,
495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// "This function will never throw an exception."  It's an optional
505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// optimization tool, but we may need to use it to match glibc prototypes.
515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef __THROW    // I guess we're not on a glibc system
525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)# define __THROW   // __THROW is just an optimization, so ok to make it ""
535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif
545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if !HAVE_CFREE_SYMBOL
565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)extern "C" void cfree(void* ptr) __THROW;
575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif
585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if !HAVE_POSIX_MEMALIGN_SYMBOL
595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)extern "C" int posix_memalign(void** ptr, size_t align, size_t size) __THROW;
605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif
615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if !HAVE_MEMALIGN_SYMBOL
625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)extern "C" void* memalign(size_t __alignment, size_t __size) __THROW;
635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif
645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if !HAVE_VALLOC_SYMBOL
655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)extern "C" void* valloc(size_t __size) __THROW;
665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif
675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if !HAVE_PVALLOC_SYMBOL
685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)extern "C" void* pvalloc(size_t __size) __THROW;
695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif
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