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////////////////////////////////////////////////////////////////////////////////
// This source file is part of the ZipArchive Library Open Source distribution
// and is Copyrighted 2000 - 2022 by Artpol Software - Tadeusz Dracz
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// For the licensing details refer to the License.txt file.
//
// Web Site: https://www.artpol-software.com
////////////////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "ZipFile.h"
#include "ZipPlatform.h"
#include "ZipException.h"
#include "ZipAutoBuffer.h"
using namespace ZipPlatform;
bool ZipPlatform::ForceDirectory(LPCTSTR lpDirectory)
{
ASSERT(lpDirectory);
CZipString szDirectory = lpDirectory;
szDirectory.TrimRight(CZipPathComponent::m_cSeparator);
CZipPathComponent zpc(szDirectory);
if ((zpc.GetFilePath().Compare((LPCTSTR)szDirectory)) == 0 ||
(FileExists(szDirectory) == -1))
return true;
if (!ForceDirectory(zpc.GetFilePath()))
return false;
if (!CreateNewDirectory(szDirectory))
return false;
return true;
}
bool ZipPlatform::GetFileSize(LPCTSTR lpszFileName, ZIP_SIZE_TYPE& dSize)
{
CZipFile f;
if (!f.Open(lpszFileName, CZipFile::modeRead | CZipFile::shareDenyNone, false))
return false;
bool ret;
try
{
ZIP_FILE_USIZE size = f.GetLength();
// the file may be too large if zip64 is not enabled
ret = size <= ZIP_SIZE_TYPE(-1);
if (ret)
dSize = (ZIP_SIZE_TYPE)size;
}
#ifdef _ZIP_IMPL_MFC
catch(CZipBaseException* e)
{
e->Delete();
ret = false;
}
#else
catch(CZipBaseException&)
{
ret = false;
}
#endif
try
{
f.Close();
}
#ifdef _ZIP_IMPL_MFC
catch(CZipBaseException* e)
{
e->Delete();
}
#else
catch(CZipBaseException&)
{
}
#endif
return ret;
}
void ZipPlatform::ConvertTimeToFileTime(const time_t& ttime, ZFILETIME& fileTime)
{
time_t t = ttime > 0 ? ttime : time(NULL);
LONGLONG val = ((LONGLONG)t * 10000000) + SUFFIX_I64(116444736000000000);
fileTime.dwLowDateTime = (DWORD)(val & 0xFFFFFFFF);
fileTime.dwHighDateTime = (DWORD)((val >> 32) & 0xFFFFFFFF);
}
bool ZipPlatform::ConvertFileTimeToTime(const ZFILETIME& fileTime, time_t& ttime)
{
if ( fileTime.dwLowDateTime == 0 && fileTime.dwHighDateTime == 0)
{
ttime = 0;
return false;
}
LONGLONG val = (fileTime.dwLowDateTime & 0xFFFFFFFF);
val |= ((LONGLONG)fileTime.dwHighDateTime << 32) & SUFFIX_I64(0xFFFFFFFF00000000);
val -= SUFFIX_I64(116444736000000000);
ttime = (time_t)(val / 10000000);
return ttime > 0;
}
#ifdef _UNICODE
int ZipPlatform::WideToMultiByte(LPCWSTR lpszIn, CZipAutoBuffer &szOut, UINT uCodePage)
{
return WideToMultiByte(lpszIn, szOut, false, uCodePage);
}
int ZipPlatform::MultiByteToWide(const CZipAutoBuffer &szIn, CZipString& szOut, UINT uCodePage)
{
int singleLen = szIn.GetSize();
if (singleLen == 0)
{
szOut.Empty();
return 0;
}
return MultiByteToWide(szIn, singleLen, szOut, uCodePage);
}
#endif
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