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