ref: bd50f64152ad38f1c454e2a63eba3db3029b3435
dir: /codec/decoder/core/src/mem_align.cpp/
/*! * \copy * Copyright (c) 2013, Cisco Systems * 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. * * 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 HOLDER 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. * */ #include "mem_align.h" namespace WelsDec { //#define MEMORY_CHECK #ifdef MEMORY_CHECK WelsFileHandle* pMemCheckMalloc = NULL; WelsFileHandle* pMemCheckFree = NULL; int32_t iCountMalloc = 0; #endif // void* WelsMalloc (const uint32_t kuiSize, const char* kpTag) { const int32_t kiSizeVoidPtr = sizeof (void**); const int32_t kiSizeInt = sizeof (int32_t); const int32_t kiAlignBytes = 15; uint8_t* pBuf = (uint8_t*) malloc (kuiSize + kiAlignBytes + kiSizeVoidPtr + kiSizeInt); uint8_t* pAlignBuf; #ifdef MEMORY_CHECK if (pMemCheckMalloc == NULL) { pMemCheckMalloc = WelsFopen ("mem_check_malloc.txt", "at+"); pMemCheckFree = WelsFopen ("mem_check_free.txt", "at+"); } if (kpTag != NULL) { if (pMemCheckMalloc != NULL) { fprintf (pMemCheckMalloc, "0x%x, size: %d , malloc %s\n", (void*)pBuf, (kuiSize + kiAlignBytes + kiSizeVoidPtr + kiSizeInt), kpTag); } if (pMemCheckMalloc != NULL) { fflush (pMemCheckMalloc); } } #endif if (NULL == pBuf) return NULL; // to fill zero values memset (pBuf, 0, kuiSize + kiAlignBytes + kiSizeVoidPtr + kiSizeInt); pAlignBuf = pBuf + kiAlignBytes + kiSizeVoidPtr + kiSizeInt; pAlignBuf -= (uintptr_t) pAlignBuf & kiAlignBytes; * ((void**) (pAlignBuf - kiSizeVoidPtr)) = pBuf; * ((int32_t*) (pAlignBuf - (kiSizeVoidPtr + kiSizeInt))) = kuiSize; return (pAlignBuf); } ///////////////////////////////////////////////////////////////////////////// void WelsFree (void* pPtr, const char* kpTag) { if (pPtr) { #ifdef MEMORY_CHECK if (NULL != pMemCheckFree && kpTag != NULL) { fprintf (pMemCheckFree, "0x%x, free %s\n", (void*) (* (((void**) pPtr) - 1)), kpTag); fflush (pMemCheckFree); } #endif free (* (((void**) pPtr) - 1)); } } ///////////////////////////////////////////////////////////////////////////// } // namespace WelsDec