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