/*! * \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