ref: 53c8a37ee13f7e38381f0fb286d3dc55ca4e669a
dir: /codec/decoder/core/src/utils.cpp/
/*!
* \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 size
uint32_t g_uiCacheLineSize = 16;
// to fill default routines
PWelsLogCallbackFunc 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
}
#else
int32_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