mirror of https://github.com/PCSX2/pcsx2.git
116 lines
3.6 KiB
C++
116 lines
3.6 KiB
C++
/* PCSX2 - PS2 Emulator for PCs
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* Copyright (C) 2002-2010 PCSX2 Dev Team
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*
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* PCSX2 is free software: you can redistribute it and/or modify it under the terms
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* of the GNU Lesser General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with PCSX2.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "PrecompiledHeader.h"
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#include "Win32.h"
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#include <winioctl.h>
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// Throws an exception based on the value returned from GetLastError.
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// Performs an option return value success/fail check on hresult.
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void StreamException_ThrowLastError( const wxString& streamname, HANDLE result )
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{
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if( result != INVALID_HANDLE_VALUE ) return;
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int error = GetLastError();
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switch( error )
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{
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case ERROR_FILE_NOT_FOUND:
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throw Exception::FileNotFound( streamname );
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case ERROR_PATH_NOT_FOUND:
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throw Exception::FileNotFound( streamname );
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case ERROR_TOO_MANY_OPEN_FILES:
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throw Exception::CannotCreateStream( streamname ).SetDiagMsg(L"Too many open files");
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case ERROR_ACCESS_DENIED:
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throw Exception::AccessDenied( streamname );
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case ERROR_INVALID_HANDLE:
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throw Exception::BadStream( streamname ).SetDiagMsg(L"Stream object or handle is invalid");
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case ERROR_SHARING_VIOLATION:
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throw Exception::AccessDenied( streamname ).SetDiagMsg(L"Sharing violation");
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default:
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{
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throw Exception::BadStream( streamname ).SetDiagMsg(pxsFmt( L"General Win32 File/stream error [GetLastError: %d]", error ));
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}
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}
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}
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// returns TRUE if an error occurred.
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bool StreamException_LogLastError( const wxString& streamname, const wxChar* action, HANDLE result )
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{
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try
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{
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StreamException_ThrowLastError( streamname, result );
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}
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catch( Exception::BadStream& ex )
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{
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Console.WriteLn( Color_Yellow, L"%s: %s", action, ex.FormatDiagnosticMessage().c_str() );
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return true;
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}
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return false;
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}
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// Sets the NTFS compression flag for a directory or file. This function does not operate
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// recursively. Set compressStatus to false to decompress compressed files (and do nothing
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// to already decompressed files).
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//
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// Exceptions thrown: None.
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// (Errors are logged to console. Failures are considered non-critical)
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//
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void NTFS_CompressFile( const wxString& file, bool compressStatus )
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{
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bool isFile = !wxDirExists( file );
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if( isFile && !wxFileExists( file ) ) return;
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if( GetFileAttributes(file) & FILE_ATTRIBUTE_COMPRESSED ) return;
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if( !wxIsWritable( file ) ) return;
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const DWORD flags = isFile ? FILE_ATTRIBUTE_NORMAL : (FILE_FLAG_BACKUP_SEMANTICS | FILE_ATTRIBUTE_DIRECTORY);
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HANDLE bloated_crap = CreateFile( file,
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FILE_GENERIC_WRITE | FILE_GENERIC_READ,
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FILE_SHARE_READ | FILE_SHARE_DELETE,
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NULL,
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OPEN_EXISTING,
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flags,
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NULL
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);
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// Fail silently -- non-compression of files and folders is not an errorable offense.
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if( !StreamException_LogLastError( file, L"NTFS Compress Notice", bloated_crap ) )
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{
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DWORD bytesReturned = 0;
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DWORD compressMode = compressStatus ? COMPRESSION_FORMAT_DEFAULT : COMPRESSION_FORMAT_NONE;
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/*BOOL result = */DeviceIoControl(
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bloated_crap, FSCTL_SET_COMPRESSION,
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&compressMode, 2, NULL, 0,
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&bytesReturned, NULL
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);
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// No need to see this every time on my exFAT drive (rama)
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//if( !result )
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// StreamException_LogLastError( file, L"NTFS Compress Notice" );
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CloseHandle( bloated_crap );
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}
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}
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