int ZipPlatform::OpenFile(LPCTSTR lpszFileName, UINT iMode, int iShareMode)
{
switch (iShareMode)
{
case (CZipFile::shareExclusive):
iShareMode = SH_DENYRW;
break;
case (CZipFile::shareDenyRead):
iShareMode = SH_DENYRD;
break;
case (CZipFile::shareDenyWrite):
iShareMode = SH_DENYWR;
break;
default:
iShareMode = SH_DENYNO;
}
#if _MSC_VER >= 1400
int handle;
if (_tsopen_s(&handle, lpszFileName, iMode, iShareMode, S_IREAD | S_IWRITE /*required only when O_CREAT mode*/) != 0)
return -1;
else
return handle;
#else
return _tsopen(lpszFileName, iMode, iShareMode, S_IREAD | S_IWRITE /*required only when O_CREAT mode*/);
#endif
}
bool CGZIPFile::Extract(LPCTSTR pszFilePath)
{
int fdOut = _tsopen(pszFilePath, _O_CREAT | _O_TRUNC | _O_WRONLY | _O_BINARY, _SH_DENYWR, _S_IREAD | _S_IWRITE);
if (fdOut == -1)
return false;
bool bResult = true;
const int iBuffSize = 32768;
BYTE* pucBuff = new BYTE[iBuffSize];
while (!gzeof(m_gzFile))
{
int iRead = gzread(m_gzFile, pucBuff, iBuffSize);
if (iRead == 0)
break;
if (iRead < 0){
bResult = false;
break;
}
if (write(fdOut, pucBuff, iRead) != iRead){
bResult = false;
break;
}
}
delete[] pucBuff;
close(fdOut);
if (!bResult)
_tremove(pszFilePath);
return bResult;
}
int __cdecl _topen (
const _TSCHAR *path,
int oflag,
...
)
{
va_list ap;
int pmode;
va_start(ap, oflag);
pmode = va_arg(ap, int);
va_end(ap);
/* default sharing mode is DENY NONE */
return _tsopen(path, oflag, _SH_DENYNO, pmode);
}
int ZipPlatform::OpenFile(LPCTSTR lpszFileName, UINT iMode, int iShareMode)
{
switch (iShareMode)
{
case (CZipFile::shareDenyWrite & CZipFile::shareDenyRead):
iShareMode = SH_DENYRW;
break;
case (CZipFile::shareDenyRead):
iShareMode = SH_DENYRD;
break;
case (CZipFile::shareDenyWrite):
iShareMode = SH_DENYWR;
break;
default:
iShareMode = SH_DENYNO;
}
return _tsopen(lpszFileName, iMode, iShareMode, S_IREAD | S_IWRITE /*required only when O_CREAT mode*/);
}
