101 lines
2.3 KiB
C++
101 lines
2.3 KiB
C++
/*
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* mptFileIO.cpp
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* -------------
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* Purpose: File I/O wrappers
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* Notes : (currently none)
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* Authors: OpenMPT Devs
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* The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
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*/
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#include "stdafx.h"
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#include "mptFileIO.h"
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#ifdef MODPLUG_TRACKER
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#if MPT_OS_WINDOWS
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#include <windows.h>
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#include <WinIoCtl.h>
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#include <io.h>
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#endif // MPT_OS_WINDOWS
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#endif // MODPLUG_TRACKER
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OPENMPT_NAMESPACE_BEGIN
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#if defined(MPT_ENABLE_FILEIO)
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#if !defined(MPT_BUILD_SILENCE_LIBOPENMPT_CONFIGURATION_WARNINGS)
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#if defined(MPT_COMPILER_QUIRK_WINDOWS_FSTREAM_NO_WCHAR)
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#if MPT_GCC_BEFORE(9,1,0)
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MPT_WARNING("Warning: MinGW with GCC earlier than 9.1 detected. Standard library does neither provide std::fstream wchar_t overloads nor std::filesystem with wchar_t support. Unicode filename support is thus unavailable.")
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#endif // MPT_GCC_AT_LEAST(9,1,0)
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#endif // MPT_COMPILER_QUIRK_WINDOWS_FSTREAM_NO_WCHAR
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#endif // !MPT_BUILD_SILENCE_LIBOPENMPT_CONFIGURATION_WARNINGS
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#ifdef MODPLUG_TRACKER
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#if MPT_OS_WINDOWS
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bool SetFilesystemCompression(HANDLE hFile)
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{
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if(hFile == INVALID_HANDLE_VALUE)
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{
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return false;
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}
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USHORT format = COMPRESSION_FORMAT_DEFAULT;
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DWORD dummy = 0;
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BOOL result = DeviceIoControl(hFile, FSCTL_SET_COMPRESSION, (LPVOID)&format, sizeof(format), NULL, 0, &dummy /*required*/ , NULL);
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return result != FALSE;
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}
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bool SetFilesystemCompression(int fd)
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{
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if(fd < 0)
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{
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return false;
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}
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uintptr_t fhandle = _get_osfhandle(fd);
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HANDLE hFile = (HANDLE)fhandle;
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if(hFile == INVALID_HANDLE_VALUE)
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{
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return false;
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}
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return SetFilesystemCompression(hFile);
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}
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bool SetFilesystemCompression(const mpt::PathString &filename)
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{
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DWORD attributes = GetFileAttributes(mpt::support_long_path(filename.AsNative()).c_str());
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if(attributes == INVALID_FILE_ATTRIBUTES)
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{
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return false;
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}
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if(attributes & FILE_ATTRIBUTE_COMPRESSED)
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{
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return true;
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}
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HANDLE hFile = CreateFile(mpt::support_long_path(filename.AsNative()).c_str(), GENERIC_ALL, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
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if(hFile == INVALID_HANDLE_VALUE)
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{
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return false;
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}
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bool result = SetFilesystemCompression(hFile);
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CloseHandle(hFile);
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return result;
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}
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#endif // MPT_OS_WINDOWS
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#endif // MODPLUG_TRACKER
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#endif // MPT_ENABLE_FILEIO
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OPENMPT_NAMESPACE_END
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