ref: 5c5dcfb14cc94a1861b5c033700dacb056e58204
dir: /codec/common/crt_util_safe_x.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 crt_utils_safe_x.cpp
*
* \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>
#ifndef _MSC_VER
#include <sys/time.h>
#ifndef HAVE_STRNLEN
#define strnlen(a,b) strlen(a)
#endif //!HAVE_STRNLEN
#endif //!_MSC_VER
#else
#include <sys/time.h>
#include <sys/timeb.h>
#endif //_WIN32
#include "macros.h"
#include "crt_util_safe_x.h" // Safe CRT routines like utils for cross platforms
#if defined(_WIN32) && defined(_MSC_VER)
#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 WelsVsnprintf (str_t* pBuffer, int32_t iSizeOfBuffer, const str_t* kpFormat, va_list pArgPtr) {
return vsnprintf_s (pBuffer, iSizeOfBuffer, _TRUNCATE, 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;
int32_t iRc;
localtime_s (&sTimeNow, &kpTp->time);
iRc = strftime (pBuffer, iSize, kpFormat, &sTimeNow);
if (iRc == 0)
pBuffer[0] = '\0';
return iRc;
}
#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 = vsnprintf (pBuffer, iSizeOfBuffer, kpFormat, pArgPtr); //confirmed_safe_unsafe_usage
if (iRc < 0)
pBuffer[iSizeOfBuffer - 1] = '\0';
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 WelsVsnprintf (str_t* pBuffer, int32_t iSizeOfBuffer, const str_t* kpFormat, va_list pArgPtr) {
int32_t iRc = vsnprintf (pBuffer, iSizeOfBuffer, kpFormat, pArgPtr); //confirmed_safe_unsafe_usage
if (iRc < 0)
pBuffer[iSizeOfBuffer - 1] = '\0';
return iRc;
}
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) {
_ftime (pTp);
return 0;
}
int32_t WelsStrftime (str_t* pBuffer, int32_t iSize, const str_t* kpFormat, const SWelsTime* kpTp) {
struct tm* pTnow;
int32_t iRc;
pTnow = localtime (&kpTp->time);
iRc = strftime (pBuffer, iSize, kpFormat, pTnow);
if (iRc == 0)
pBuffer[0] = '\0';
return iRc;
}
#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 (kpString); //confirmed_safe_unsafe_usage
#else
const str_t* kpSrc;
for (kpSrc = kpString; iMaxlen-- && *kpSrc != '\0'; ++kpSrc)
return kpSrc - kpString;
#endif
}
#endif
int32_t WelsVsnprintf (str_t* pBuffer, int32_t iSizeOfBuffer, const str_t* kpFormat, va_list pArgPtr) {
return vsnprintf (pBuffer, iSizeOfBuffer, 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;
int32_t iRc;
pTnow = localtime (&kpTp->time);
iRc = strftime (pBuffer, iSize, kpFormat, pTnow);
if (iRc == 0)
pBuffer[0] = '\0';
return iRc;
}
#endif
int32_t WelsFwrite (const void_t* kpBuffer, int32_t iSize, int32_t iCount, WelsFileHandle* pFp) {
return fwrite (kpBuffer, iSize, iCount, pFp);
}
uint16_t WelsGetMillisecond (const SWelsTime* kpTp) {
return kpTp->millitm;
}
int32_t WelsFseek (WelsFileHandle* fp, int32_t offset, int32_t origin) {
return fseek(fp, offset, origin);
}
int32_t WelsFflush (WelsFileHandle* pFp) {
return fflush (pFp);
}