| Austin Schuh | 745610d | 2015-09-06 18:19:50 -0700 | [diff] [blame] | 1 | // -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- |
| 2 | // Copyright (c) 2007, Google Inc. |
| 3 | // All rights reserved. |
| 4 | // |
| 5 | // Redistribution and use in source and binary forms, with or without |
| 6 | // modification, are permitted provided that the following conditions are |
| 7 | // met: |
| 8 | // |
| 9 | // * Redistributions of source code must retain the above copyright |
| 10 | // notice, this list of conditions and the following disclaimer. |
| 11 | // * Redistributions in binary form must reproduce the above |
| 12 | // copyright notice, this list of conditions and the following disclaimer |
| 13 | // in the documentation and/or other materials provided with the |
| 14 | // distribution. |
| 15 | // * Neither the name of Google Inc. nor the names of its |
| 16 | // contributors may be used to endorse or promote products derived from |
| 17 | // this software without specific prior written permission. |
| 18 | // |
| 19 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 20 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 21 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 22 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 23 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 24 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 25 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 26 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 27 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 28 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 29 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 30 | |
| 31 | // --- |
| 32 | // Author: Craig Silverstein <opensource@google.com> |
| 33 | // |
| 34 | // Some obscure memory-allocation routines may not be declared on all |
| 35 | // systems. In those cases, we'll just declare them ourselves. |
| 36 | // This file is meant to be used only internally, for unittests. |
| 37 | |
| 38 | #include <config.h> |
| 39 | |
| 40 | #ifndef _XOPEN_SOURCE |
| 41 | # define _XOPEN_SOURCE 600 // for posix_memalign |
| 42 | #endif |
| 43 | #include <stdlib.h> // for posix_memalign |
| 44 | // FreeBSD has malloc.h, but complains if you use it |
| 45 | #if defined(HAVE_MALLOC_H) && !defined(__FreeBSD__) |
| 46 | #include <malloc.h> // for memalign, valloc, pvalloc |
| 47 | #endif |
| 48 | |
| 49 | // __THROW is defined in glibc systems. It means, counter-intuitively, |
| 50 | // "This function will never throw an exception." It's an optional |
| 51 | // optimization tool, but we may need to use it to match glibc prototypes. |
| 52 | #ifndef __THROW // I guess we're not on a glibc system |
| 53 | # define __THROW // __THROW is just an optimization, so ok to make it "" |
| 54 | #endif |
| 55 | |
| 56 | #if !HAVE_CFREE_SYMBOL |
| 57 | extern "C" void cfree(void* ptr) __THROW; |
| 58 | #endif |
| 59 | #if !HAVE_POSIX_MEMALIGN_SYMBOL |
| 60 | extern "C" int posix_memalign(void** ptr, size_t align, size_t size) __THROW; |
| 61 | #endif |
| 62 | #if !HAVE_MEMALIGN_SYMBOL |
| 63 | extern "C" void* memalign(size_t __alignment, size_t __size) __THROW; |
| 64 | #endif |
| 65 | #if !HAVE_VALLOC_SYMBOL |
| 66 | extern "C" void* valloc(size_t __size) __THROW; |
| 67 | #endif |
| 68 | #if !HAVE_PVALLOC_SYMBOL |
| 69 | extern "C" void* pvalloc(size_t __size) __THROW; |
| 70 | #endif |