/*! * \copy *     Copyright (c)  2009-2013, 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. * * * \file	utils.c * * \brief	common tool/function utilization * * \date	03/10/2009 Created * ************************************************************************************* */ #include <string.h>#include <stdlib.h>#include <math.h>#include <time.h>#if defined(WIN32)#include <windows.h>#include <sys/types.h>#include <sys/timeb.h>#else#include <sys/time.h>#include <sys/timeb.h>#endif #include "utils.h"#include "macros.h"#include "wels_const.h"#include "cpu_core.h"#include "decoder_context.h"#include "crt_util_safe_x.h"	// Safe CRT routines like utils for cross platforms#include "mem_align.h" namespace WelsDec { // cache line sizeuint32_t g_uiCacheLineSize	= 16;// to fill default routinesPWelsLogCallbackFunc g_pLog	= NULL;   void_t WelsLog(void_t *pPtr, int32_t iLevel, const char *kpFmt, ...){    va_list pVl; 	PWelsDecoderContext pCtx  = (PWelsDecoderContext)pPtr;     va_start(pVl, kpFmt);    g_pLog(pCtx->pTraceHandle, iLevel, kpFmt, pVl);    va_end(pVl);}  #if  defined(WIN32) #if  defined(_MSC_VER) && (_MSC_VER>=1500) int32_t WelsSnprintf(str_t * pBuffer,  int32_t iSizeOfBuffer, const str_t * kpFormat, ...){	va_list  pArgPtr; 	int32_t  iRc; 	va_start(pArgPtr, kpFormat); 	iRc = vsnprintf_s(pBuffer, iSizeOfBuffer, _TRUNCATE, kpFormat, pArgPtr); 	va_end(pArgPtr); 	return iRc;} str_t* WelsStrncpy(str_t * pDest, int32_t iSizeInBytes, const str_t * kpSrc, int32_t iCount){    strncpy_s(pDest, iSizeInBytes, kpSrc, iCount); 	return pDest;} int32_t WelsStrnlen(const str_t * kpStr,  int32_t iMaxlen){	return strnlen_s(kpStr, iMaxlen);} int32_t WelsVsprintf(str_t * pBuffer, int32_t iSizeOfBuffer, const str_t * kpFormat, va_list pArgPtr){	return vsprintf_s(pBuffer, iSizeOfBuffer, kpFormat, pArgPtr);} WelsFileHandle* WelsFopen(const str_t * kpFilename,  const str_t * kpMode){	WelsFileHandle* pFp = NULL;	if( fopen_s(&pFp, kpFilename, kpMode) != 0 ){		return NULL;	} 	return pFp;} int32_t WelsFclose(WelsFileHandle* pFp){	return fclose(pFp);} int32_t WelsGetTimeOfDay(SWelsTime * pTp){	return _ftime_s(pTp);} int32_t WelsStrftime(str_t * pBuffer, int32_t iSize, const str_t * kpFormat, const SWelsTime * kpTp){	struct tm   sTimeNow; 	localtime_s(&sTimeNow, &kpTp->time); 	return strftime(pBuffer, iSize, kpFormat, &sTimeNow);} #else  int32_t WelsSnprintf(str_t * pBuffer,  int32_t iSizeOfBuffer, const str_t * kpFormat, ...){	va_list pArgPtr;	int32_t iRc; 	va_start(pArgPtr, kpFormat);     iRc = vsprintf(pBuffer, kpFormat, pArgPtr);//confirmed_safe_unsafe_usage 	va_end(pArgPtr); 	return iRc;} str_t* WelsStrncpy(str_t * pDest, int32_t iSizeInBytes, const str_t * kpSrc, int32_t iCount){	strncpy(pDest, kpSrc, iCount);//confirmed_safe_unsafe_usage 	return pDest;} int32_t WelsStrnlen(const str_t * kpStr,  int32_t iMaxlen){	return strlen(kpStr);//confirmed_safe_unsafe_usage} int32_t WelsVsprintf(str_t * pBuffer, int32_t iSizeOfBuffer, const str_t * kpFormat, va_list pArgPtr){	return vsprintf(pBuffer, kpFormat, pArgPtr);//confirmed_safe_unsafe_usage}  WelsFileHandle* WelsFopen(const str_t * kpFilename,  const str_t * kpMode){	return fopen(kpFilename, kpMode);} int32_t WelsFclose(WelsFileHandle* pFp){	return fclose(pFp);} int32_t WelsGetTimeOfDay(SWelsTime * pTp){	return _ftime(pTp);} int32_t WelsStrftime(str_t * pBuffer, int32_t iSize, const str_t * kpFormat, const SWelsTime * kpTp){	struct tm  * pTnow; 	pTnow = localtime(&kpTp->time); 	return strftime(pBuffer, iSize, kpFormat, pTnow);}  #endif // _MSC_VER #else  //GCC int32_t WelsSnprintf(str_t * pBuffer,  int32_t iSizeOfBuffer, const str_t * kpFormat, ...){	va_list pArgPtr;	int32_t iRc; 	va_start(pArgPtr, kpFormat);     iRc = vsnprintf(pBuffer, iSizeOfBuffer, kpFormat, pArgPtr); 	va_end(pArgPtr); 	return iRc;} str_t* WelsStrncpy(str_t * pDest, int32_t iSizeInBytes, const str_t * kpSrc, int32_t iCount){    return strncpy(pDest, kpSrc, iCount);//confirmed_safe_unsafe_usage	} #if !defined(MACOS) && !defined(UNIX) && !defined(APPLE_IOS)int32_t WelsStrnlen(const str_t * kpStr,  int32_t iMaxlen){	return strnlen(kpStr, iMaxlen);//confirmed_safe_unsafe_usage}#elseint32_t WelsStrnlen(const str_t *kpString, int32_t iMaxlen){	// In mac os, there is no strnlen in string.h, we can only use strlen instead of strnlen or	// implement strnlen by ourself	#if 1	return strlen(pString);//confirmed_safe_unsafe_usage#else		const str_t *kpSrc;	for (kpSrc = kpString; iMaxlen-- && *kpSrc != '\0'; ++kpSrc)		return kpSrc - kpString;#endif	}#endif int32_t WelsVsprintf(str_t * pBuffer, int32_t iSizeOfBuffer, const str_t * kpFormat, va_list pArgPtr){	return vsprintf(pBuffer, kpFormat, pArgPtr);//confirmed_safe_unsafe_usage} WelsFileHandle* WelsFopen(const str_t * kpFilename,  const str_t * kpMode){	return fopen(kpFilename, kpMode);} int32_t WelsFclose(WelsFileHandle  * pFp){	return fclose(pFp);} int32_t WelsGetTimeOfDay(SWelsTime * pTp){        struct timeval  sTv;         if( gettimeofday(&sTv, NULL) ){             return -1;        }         pTp->time = sTv.tv_sec;        pTp->millitm = (uint16_t)sTv.tv_usec/1000;         return 0;} int32_t WelsStrftime(str_t * pBuffer, int32_t iSize, const str_t * kpFormat, const SWelsTime * kpTp){	struct tm  * pTnow;        	pTnow = localtime(&kpTp->time); 	return strftime(pBuffer, iSize, kpFormat, pTnow);} #endif  int32_t WelsFwrite(const void_t * kpBuffer, int32_t iSize, int32_t iCount, WelsFileHandle* pFp){	return fwrite(kpBuffer, iSize, iCount, pFp);} uint16_t WelsGetMillsecond(const SWelsTime * kpTp){	return kpTp->millitm;} int32_t WelsFflush(WelsFileHandle* pFp){	return fflush(pFp);} } // namespace WelsDec