CZipString ZipPlatform::GetTmpFileName(LPCTSTR lpszPath, ZIP_SIZE_TYPE uSizeNeeded) { TCHAR empty[] = _T(""); CZipString tempPath; bool bCheckTemp = true; if (lpszPath) { tempPath = lpszPath; bCheckTemp = uSizeNeeded > 0 && GetDeviceFreeSpace(tempPath) < uSizeNeeded; } if (bCheckTemp) { DWORD size = GetTempPath(0, empty); if (size == 0) return (CZipString)empty; GetTempPath(size, tempPath.GetBuffer(size)); tempPath.ReleaseBuffer(); if (GetDeviceFreeSpace(tempPath) < uSizeNeeded) { if (!GetCurrentDirectory(tempPath) || (uSizeNeeded > 0 && GetDeviceFreeSpace(tempPath) < uSizeNeeded)) return (CZipString)empty; } } CZipString tempName; if (!GetTempFileName(tempPath, _T("ZAR"), 0, tempName.GetBuffer(_MAX_PATH))) return (CZipString)empty; tempName.ReleaseBuffer(); return tempName; }
int ZipPlatform::MultiByteToWide(const char* szIn, int iInSize, CZipString& szOut, UINT uCodePage) { szOut.Empty(); if (iInSize < 0) { iInSize = (int)std::string(szIn).length(); } if (iInSize == 0) { return 0; } // iLen doesn't include terminating character DWORD dwFlags = uCodePage <= CP_OEMCP ? MB_PRECOMPOSED : 0; int iLen = MultiByteToWideChar(uCodePage, dwFlags, szIn, iInSize, NULL, 0); if (iLen > 0) { iLen = MultiByteToWideChar(uCodePage, dwFlags, szIn, iInSize, szOut.GetBuffer(iLen), iLen); szOut.ReleaseBuffer(iLen); ASSERT(iLen > 0); if (iLen == 0) return -1; #ifdef _ZIP_UNICODE_NORMALIZE // if there is a problem with compilation here, you may need uncomment the block defining WINVER = 0x0600 at the bottom of _features.h file if (IsNormalizedString(NormalizationC, szOut, iLen + 1) == TRUE) return iLen; int iNewLen = NormalizeString(NormalizationC, szOut, iLen, NULL, 0); if (iNewLen <= 0) { return iLen; } CZipString szNormalized; iNewLen = NormalizeString(NormalizationC, szOut, iLen, szNormalized.GetBuffer(iNewLen), iNewLen); if (iNewLen <= 0) { szNormalized.ReleaseBuffer(0); return iLen; } szNormalized.ReleaseBuffer(iNewLen); szOut = szNormalized; return iNewLen; #else return iLen; #endif } else { return -1; } }
BOOL CZipException::GetErrorMessage(LPTSTR lpszError, UINT nMaxError, UINT* ) { if (!lpszError || !nMaxError) return FALSE; CZipString sz = GetErrorDescription(); if (sz.IsEmpty()) return FALSE; UINT iLen = sz.GetLength(); if (nMaxError - 1 < iLen) iLen = nMaxError - 1; LPTSTR lpsz = sz.GetBuffer(iLen); #if _MSC_VER >= 1400 #ifdef _UNICODE wcsncpy_s(lpszError, nMaxError, lpsz, iLen); #else strncpy_s(lpszError, nMaxError, lpsz, iLen); #endif #else #ifdef _UNICODE wcsncpy(lpszError, lpsz, iLen); #else strncpy(lpszError, lpsz, iLen); #endif #endif lpszError[iLen] = _T('\0'); return TRUE; }
int ZipPlatform::SingleToWide(const CZipAutoBuffer &szSingle, CZipString& szWide, bool bUseAnsi) { int singleLen = szSingle.GetSize(); // iLen doesn't include terminating character UINT uCodePage; DWORD dwFlags; if (bUseAnsi) { uCodePage = CP_ACP; dwFlags = MB_PRECOMPOSED; } else { uCodePage = CP_UTF8; dwFlags = 0; } int iLen = MultiByteToWideChar(uCodePage, dwFlags, szSingle.GetBuffer(), singleLen, NULL, 0); if (iLen > 0) { iLen = MultiByteToWideChar(uCodePage, dwFlags, szSingle.GetBuffer(), singleLen, szWide.GetBuffer(iLen) , iLen); szWide.ReleaseBuffer(iLen); ASSERT(iLen != 0); } else { szWide.Empty(); iLen --; // return -1 } return iLen; }
void ZipCompatibility::ConvertBufferToString(CZipString& szString, const CZipAutoBuffer& buffer, UINT uCodePage) { #ifdef _UNICODE ZipPlatform::MultiByteToWide(buffer, szString, uCodePage); #else // iLen does not include the NULL character int iLen; if (uCodePage == CP_OEMCP) { CZipAutoBuffer buf; buf = buffer; ZipPlatform::AnsiOem(buf, false); iLen = buf.GetSize(); memcpy(szString.GetBuffer(iLen), buf.GetBuffer(), iLen); } else { iLen = buffer.GetSize(); memcpy(szString.GetBuffer(iLen), buffer.GetBuffer(), iLen); } szString.ReleaseBuffer(iLen); #endif }
int ZipPlatform::SingleToWide(const CZipAutoBuffer &szSingle, CZipString& szWide) { int singleLen = szSingle.GetSize(); // iLen doesn't include terminating character int iLen = MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, szSingle.GetBuffer(), singleLen, NULL, 0); if (iLen > 0) { iLen = MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, szSingle.GetBuffer(), singleLen, szWide.GetBuffer(iLen) , iLen); szWide.ReleaseBuffer(iLen); ASSERT(iLen != 0); } else { szWide.Empty(); iLen --; // return -1 } return iLen; }
CZipString ZipPlatform::GetTmpFileName(LPCTSTR lpszPath, ZIP_U32_U64 uSizeNeeded) { TCHAR empty[] = _T(""), prefix [] = _T("zar"); TCHAR* buf = NULL; CZipString tempPath = lpszPath; if (tempPath.IsEmpty()) tempPath = "/tmp"; if (ZipPlatform::GetDeviceFreeSpace(tempPath) < uSizeNeeded) return empty; CZipPathComponent::AppendSeparator(tempPath); tempPath += prefix; tempPath += _T("XXXXXX"); int handle = mkstemp(tempPath.GetBuffer(tempPath.GetLength())); tempPath.ReleaseBuffer(); if (handle != -1) { close(handle); // we just create the file and open it later return tempPath; } else return empty; }
ZIPINLINE bool ZipPlatform::RemoveFile(LPCTSTR lpszFileName, bool bThrow, int iMode) { if ((iMode & ZipPlatform::dfmRemoveReadOnly) != 0) { DWORD attr; if (ZipPlatform::GetFileAttr(lpszFileName, attr) && (ZipCompatibility::GetAsInternalAttributes(attr, ZipPlatform::GetSystemID()) & ZipCompatibility::attROnly) != 0) { ZipPlatform::SetFileAttr(lpszFileName, ZipPlatform::GetDefaultAttributes()); } } #ifdef SHFileOperation if ((iMode & ZipPlatform::dfmRecycleBin) == 0) { #endif if (::DeleteFile((LPTSTR)(LPCTSTR)CZipPathComponent::AddPrefix(lpszFileName, false))) return true; #ifdef SHFileOperation } else { CZipString file = lpszFileName; #if defined _UNICODE && _MSC_VER >= 1400 if (file.GetLength() >= MAX_PATH) { // cannot prefix for SHFileOperation, use short path CZipString temp = CZipPathComponent::AddPrefix(lpszFileName, false); DWORD size = ::GetShortPathName(temp, NULL, 0); if (size != 0) { size = ::GetShortPathName(temp, file.GetBuffer(size), size); file.ReleaseBuffer(); } if (size == 0) { if (bThrow) CZipException::Throw(CZipException::notRemoved, lpszFileName); return false; } // GetShortPathName keeps the prefix - remove it int prefixLength = CZipPathComponent::IsPrefixed(file); if (prefixLength > 0) { file = file.Mid(prefixLength); } } #endif int length = file.GetLength(); CZipAutoBuffer buffer((length + 2) * sizeof(TCHAR), true); // double NULL is required memcpy(buffer, (LPCTSTR)file, length * sizeof(TCHAR)); SHFILEOPSTRUCT shFileOp = {0}; shFileOp.wFunc = FO_DELETE; shFileOp.fFlags = FOF_ALLOWUNDO | FOF_NOCONFIRMATION | FOF_SILENT | FOF_NOERRORUI; shFileOp.pFrom = (LPCTSTR)(char*)buffer; if (SHFileOperation(&shFileOp) == 0 && !shFileOp.fAnyOperationsAborted) return true; } #endif if (bThrow) CZipException::Throw(CZipException::notRemoved, lpszFileName); return false; }