mirror of
https://github.com/reactos/reactos.git
synced 2024-08-23 11:52:51 +00:00
1109 lines
28 KiB
C
1109 lines
28 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS system libraries
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* FILE: dll/win32/kernel32/client/file/fileinfo.c
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* PURPOSE: Directory functions
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* PROGRAMMER: Ariadne ( ariadne@xs4all.nl)
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* Pierre Schweitzer (pierre.schweitzer@reactos.org)
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* UPDATE HISTORY:
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* Created 01/11/98
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*/
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/* INCLUDES *****************************************************************/
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#include <k32.h>
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#define NDEBUG
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#include <debug.h>
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DEBUG_CHANNEL(kernel32file);
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/* FUNCTIONS ****************************************************************/
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/*
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* @implemented
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*/
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BOOL WINAPI
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FlushFileBuffers(IN HANDLE hFile)
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{
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NTSTATUS Status;
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IO_STATUS_BLOCK IoStatusBlock;
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hFile = TranslateStdHandle(hFile);
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if (IsConsoleHandle(hFile))
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{
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return FlushConsoleInputBuffer(hFile);
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}
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Status = NtFlushBuffersFile(hFile,
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&IoStatusBlock);
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if (!NT_SUCCESS(Status))
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{
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BaseSetLastNTError(Status);
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return FALSE;
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}
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return TRUE;
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}
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/*
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* @implemented
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*/
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DWORD
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WINAPI
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DECLSPEC_HOTPATCH
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SetFilePointer(HANDLE hFile,
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LONG lDistanceToMove,
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PLONG lpDistanceToMoveHigh,
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DWORD dwMoveMethod)
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{
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FILE_POSITION_INFORMATION FilePosition;
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FILE_STANDARD_INFORMATION FileStandard;
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NTSTATUS errCode;
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IO_STATUS_BLOCK IoStatusBlock;
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LARGE_INTEGER Distance;
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TRACE("SetFilePointer(hFile %p, lDistanceToMove %d, dwMoveMethod %lu)\n",
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hFile,lDistanceToMove,dwMoveMethod);
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if(IsConsoleHandle(hFile))
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{
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SetLastError(ERROR_INVALID_HANDLE);
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return INVALID_SET_FILE_POINTER;
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}
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if (lpDistanceToMoveHigh)
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{
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Distance.u.HighPart = *lpDistanceToMoveHigh;
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Distance.u.LowPart = lDistanceToMove;
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}
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else
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{
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Distance.QuadPart = lDistanceToMove;
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}
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switch(dwMoveMethod)
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{
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case FILE_CURRENT:
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errCode = NtQueryInformationFile(hFile,
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&IoStatusBlock,
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&FilePosition,
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sizeof(FILE_POSITION_INFORMATION),
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FilePositionInformation);
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FilePosition.CurrentByteOffset.QuadPart += Distance.QuadPart;
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if (!NT_SUCCESS(errCode))
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{
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if (lpDistanceToMoveHigh != NULL)
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*lpDistanceToMoveHigh = -1;
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BaseSetLastNTError(errCode);
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return INVALID_SET_FILE_POINTER;
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}
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break;
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case FILE_END:
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errCode = NtQueryInformationFile(hFile,
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&IoStatusBlock,
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&FileStandard,
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sizeof(FILE_STANDARD_INFORMATION),
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FileStandardInformation);
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FilePosition.CurrentByteOffset.QuadPart =
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FileStandard.EndOfFile.QuadPart + Distance.QuadPart;
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if (!NT_SUCCESS(errCode))
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{
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if (lpDistanceToMoveHigh != NULL)
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*lpDistanceToMoveHigh = -1;
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BaseSetLastNTError(errCode);
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return INVALID_SET_FILE_POINTER;
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}
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break;
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case FILE_BEGIN:
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FilePosition.CurrentByteOffset.QuadPart = Distance.QuadPart;
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break;
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default:
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SetLastError(ERROR_INVALID_PARAMETER);
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return INVALID_SET_FILE_POINTER;
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}
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if(FilePosition.CurrentByteOffset.QuadPart < 0)
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{
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SetLastError(ERROR_NEGATIVE_SEEK);
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return INVALID_SET_FILE_POINTER;
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}
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if (lpDistanceToMoveHigh == NULL && FilePosition.CurrentByteOffset.HighPart != 0)
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{
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/* If we're moving the pointer outside of the 32 bit boundaries but
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the application only passed a 32 bit value we need to bail out! */
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SetLastError(ERROR_INVALID_PARAMETER);
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return INVALID_SET_FILE_POINTER;
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}
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errCode = NtSetInformationFile(hFile,
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&IoStatusBlock,
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&FilePosition,
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sizeof(FILE_POSITION_INFORMATION),
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FilePositionInformation);
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if (!NT_SUCCESS(errCode))
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{
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if (lpDistanceToMoveHigh != NULL)
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*lpDistanceToMoveHigh = -1;
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BaseSetLastNTError(errCode);
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return INVALID_SET_FILE_POINTER;
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}
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if (lpDistanceToMoveHigh != NULL)
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{
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*lpDistanceToMoveHigh = FilePosition.CurrentByteOffset.u.HighPart;
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}
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if (FilePosition.CurrentByteOffset.u.LowPart == MAXDWORD)
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{
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/* The value of -1 is valid here, especially when the new
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file position is greater than 4 GB. Since NtSetInformationFile
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succeeded we never set an error code and we explicitly need
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to clear a previously set error code in this case, which
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an application will check if INVALID_SET_FILE_POINTER is returned! */
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SetLastError(ERROR_SUCCESS);
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}
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return FilePosition.CurrentByteOffset.u.LowPart;
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}
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/*
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* @implemented
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*/
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BOOL
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WINAPI
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SetFilePointerEx(HANDLE hFile,
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LARGE_INTEGER liDistanceToMove,
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PLARGE_INTEGER lpNewFilePointer,
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DWORD dwMoveMethod)
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{
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NTSTATUS Status;
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IO_STATUS_BLOCK IoStatusBlock;
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FILE_POSITION_INFORMATION FilePosition;
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FILE_STANDARD_INFORMATION FileStandard;
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if (IsConsoleHandle(hFile))
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{
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BaseSetLastNTError(STATUS_INVALID_HANDLE);
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return FALSE;
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}
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switch (dwMoveMethod)
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{
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case FILE_CURRENT:
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{
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Status = NtQueryInformationFile(hFile, &IoStatusBlock,
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&FilePosition,
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sizeof(FILE_POSITION_INFORMATION),
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FilePositionInformation);
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if (!NT_SUCCESS(Status))
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{
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BaseSetLastNTError(Status);
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return FALSE;
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}
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FilePosition.CurrentByteOffset.QuadPart += liDistanceToMove.QuadPart;
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break;
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}
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case FILE_END:
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{
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Status = NtQueryInformationFile(hFile, &IoStatusBlock,
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&FileStandard,
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sizeof(FILE_STANDARD_INFORMATION),
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FileStandardInformation);
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if (!NT_SUCCESS(Status))
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{
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BaseSetLastNTError(Status);
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return FALSE;
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}
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FilePosition.CurrentByteOffset.QuadPart = FileStandard.EndOfFile.QuadPart +
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liDistanceToMove.QuadPart;
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break;
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}
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case FILE_BEGIN:
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{
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FilePosition.CurrentByteOffset.QuadPart = liDistanceToMove.QuadPart;
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break;
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}
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default:
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{
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SetLastError(ERROR_INVALID_PARAMETER);
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return FALSE;
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}
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}
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if (FilePosition.CurrentByteOffset.QuadPart < 0)
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{
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SetLastError(ERROR_NEGATIVE_SEEK);
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return FALSE;
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}
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Status = NtSetInformationFile(hFile, &IoStatusBlock, &FilePosition,
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sizeof(FILE_POSITION_INFORMATION),
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FilePositionInformation);
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if (!NT_SUCCESS(Status))
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{
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BaseSetLastNTError(Status);
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return FALSE;
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}
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if (lpNewFilePointer != NULL)
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{
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*lpNewFilePointer = FilePosition.CurrentByteOffset;
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}
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return TRUE;
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}
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/*
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* @implemented
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*/
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DWORD WINAPI
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GetFileType(HANDLE hFile)
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{
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FILE_FS_DEVICE_INFORMATION DeviceInfo;
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IO_STATUS_BLOCK StatusBlock;
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NTSTATUS Status;
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/* Get real handle */
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hFile = TranslateStdHandle(hFile);
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/* Check for console handle */
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if (IsConsoleHandle(hFile))
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{
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if (VerifyConsoleIoHandle(hFile))
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return FILE_TYPE_CHAR;
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}
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Status = NtQueryVolumeInformationFile(hFile,
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&StatusBlock,
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&DeviceInfo,
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sizeof(FILE_FS_DEVICE_INFORMATION),
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FileFsDeviceInformation);
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if (!NT_SUCCESS(Status))
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{
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BaseSetLastNTError(Status);
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return FILE_TYPE_UNKNOWN;
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}
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switch (DeviceInfo.DeviceType)
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{
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case FILE_DEVICE_CD_ROM:
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case FILE_DEVICE_CD_ROM_FILE_SYSTEM:
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case FILE_DEVICE_CONTROLLER:
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case FILE_DEVICE_DATALINK:
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case FILE_DEVICE_DFS:
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case FILE_DEVICE_DISK:
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case FILE_DEVICE_DISK_FILE_SYSTEM:
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case FILE_DEVICE_VIRTUAL_DISK:
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return FILE_TYPE_DISK;
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case FILE_DEVICE_KEYBOARD:
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case FILE_DEVICE_MOUSE:
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case FILE_DEVICE_NULL:
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case FILE_DEVICE_PARALLEL_PORT:
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case FILE_DEVICE_PRINTER:
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case FILE_DEVICE_SERIAL_PORT:
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case FILE_DEVICE_SCREEN:
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case FILE_DEVICE_SOUND:
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case FILE_DEVICE_MODEM:
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return FILE_TYPE_CHAR;
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case FILE_DEVICE_NAMED_PIPE:
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return FILE_TYPE_PIPE;
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}
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return FILE_TYPE_UNKNOWN;
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}
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/*
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* @implemented
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*/
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DWORD WINAPI
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GetFileSize(HANDLE hFile,
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LPDWORD lpFileSizeHigh)
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{
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NTSTATUS errCode;
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FILE_STANDARD_INFORMATION FileStandard;
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IO_STATUS_BLOCK IoStatusBlock;
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errCode = NtQueryInformationFile(hFile,
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&IoStatusBlock,
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&FileStandard,
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sizeof(FILE_STANDARD_INFORMATION),
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FileStandardInformation);
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if (!NT_SUCCESS(errCode))
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{
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BaseSetLastNTError(errCode);
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if ( lpFileSizeHigh == NULL )
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{
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return -1;
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}
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else
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{
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return 0;
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}
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}
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if ( lpFileSizeHigh != NULL )
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*lpFileSizeHigh = FileStandard.EndOfFile.u.HighPart;
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return FileStandard.EndOfFile.u.LowPart;
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}
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/*
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* @implemented
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*/
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BOOL
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WINAPI
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GetFileSizeEx(
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HANDLE hFile,
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PLARGE_INTEGER lpFileSize
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)
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{
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NTSTATUS errCode;
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FILE_STANDARD_INFORMATION FileStandard;
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IO_STATUS_BLOCK IoStatusBlock;
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errCode = NtQueryInformationFile(hFile,
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&IoStatusBlock,
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&FileStandard,
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sizeof(FILE_STANDARD_INFORMATION),
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FileStandardInformation);
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if (!NT_SUCCESS(errCode))
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{
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BaseSetLastNTError(errCode);
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return FALSE;
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}
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if (lpFileSize)
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*lpFileSize = FileStandard.EndOfFile;
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return TRUE;
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}
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/*
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* @implemented
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*/
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DWORD WINAPI
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GetCompressedFileSizeA(LPCSTR lpFileName,
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LPDWORD lpFileSizeHigh)
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{
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PWCHAR FileNameW;
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if (!(FileNameW = FilenameA2W(lpFileName, FALSE)))
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return INVALID_FILE_SIZE;
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return GetCompressedFileSizeW(FileNameW, lpFileSizeHigh);
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}
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/*
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* @implemented
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*/
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DWORD WINAPI
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GetCompressedFileSizeW(LPCWSTR lpFileName,
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LPDWORD lpFileSizeHigh)
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{
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FILE_COMPRESSION_INFORMATION FileCompression;
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NTSTATUS errCode;
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IO_STATUS_BLOCK IoStatusBlock;
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HANDLE hFile;
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hFile = CreateFileW(lpFileName,
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GENERIC_READ,
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FILE_SHARE_READ,
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NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL,
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NULL);
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if (hFile == INVALID_HANDLE_VALUE)
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return INVALID_FILE_SIZE;
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errCode = NtQueryInformationFile(hFile,
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&IoStatusBlock,
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&FileCompression,
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sizeof(FILE_COMPRESSION_INFORMATION),
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FileCompressionInformation);
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CloseHandle(hFile);
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if (!NT_SUCCESS(errCode))
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{
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BaseSetLastNTError(errCode);
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return INVALID_FILE_SIZE;
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}
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if(lpFileSizeHigh)
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*lpFileSizeHigh = FileCompression.CompressedFileSize.u.HighPart;
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SetLastError(NO_ERROR);
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return FileCompression.CompressedFileSize.u.LowPart;
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}
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/*
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* @implemented
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*/
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BOOL WINAPI
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GetFileInformationByHandle(HANDLE hFile,
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LPBY_HANDLE_FILE_INFORMATION lpFileInformation)
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{
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struct
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{
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FILE_FS_VOLUME_INFORMATION FileFsVolume;
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WCHAR Name[255];
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}
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FileFsVolume;
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FILE_BASIC_INFORMATION FileBasic;
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FILE_INTERNAL_INFORMATION FileInternal;
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FILE_STANDARD_INFORMATION FileStandard;
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NTSTATUS errCode;
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IO_STATUS_BLOCK IoStatusBlock;
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if(IsConsoleHandle(hFile))
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{
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SetLastError(ERROR_INVALID_HANDLE);
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return FALSE;
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}
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errCode = NtQueryInformationFile(hFile,
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&IoStatusBlock,
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&FileBasic,
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sizeof(FILE_BASIC_INFORMATION),
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FileBasicInformation);
|
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if (!NT_SUCCESS(errCode))
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{
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BaseSetLastNTError(errCode);
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return FALSE;
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}
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lpFileInformation->dwFileAttributes = (DWORD)FileBasic.FileAttributes;
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lpFileInformation->ftCreationTime.dwHighDateTime = FileBasic.CreationTime.u.HighPart;
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lpFileInformation->ftCreationTime.dwLowDateTime = FileBasic.CreationTime.u.LowPart;
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lpFileInformation->ftLastAccessTime.dwHighDateTime = FileBasic.LastAccessTime.u.HighPart;
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lpFileInformation->ftLastAccessTime.dwLowDateTime = FileBasic.LastAccessTime.u.LowPart;
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lpFileInformation->ftLastWriteTime.dwHighDateTime = FileBasic.LastWriteTime.u.HighPart;
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lpFileInformation->ftLastWriteTime.dwLowDateTime = FileBasic.LastWriteTime.u.LowPart;
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errCode = NtQueryInformationFile(hFile,
|
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&IoStatusBlock,
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&FileInternal,
|
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sizeof(FILE_INTERNAL_INFORMATION),
|
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FileInternalInformation);
|
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if (!NT_SUCCESS(errCode))
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{
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BaseSetLastNTError(errCode);
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return FALSE;
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}
|
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|
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lpFileInformation->nFileIndexHigh = FileInternal.IndexNumber.u.HighPart;
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lpFileInformation->nFileIndexLow = FileInternal.IndexNumber.u.LowPart;
|
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|
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errCode = NtQueryVolumeInformationFile(hFile,
|
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&IoStatusBlock,
|
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&FileFsVolume,
|
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sizeof(FileFsVolume),
|
|
FileFsVolumeInformation);
|
|
if (!NT_SUCCESS(errCode))
|
|
{
|
|
BaseSetLastNTError(errCode);
|
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return FALSE;
|
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}
|
|
|
|
lpFileInformation->dwVolumeSerialNumber = FileFsVolume.FileFsVolume.VolumeSerialNumber;
|
|
|
|
errCode = NtQueryInformationFile(hFile,
|
|
&IoStatusBlock,
|
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&FileStandard,
|
|
sizeof(FILE_STANDARD_INFORMATION),
|
|
FileStandardInformation);
|
|
if (!NT_SUCCESS(errCode))
|
|
{
|
|
BaseSetLastNTError(errCode);
|
|
return FALSE;
|
|
}
|
|
|
|
lpFileInformation->nNumberOfLinks = FileStandard.NumberOfLinks;
|
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lpFileInformation->nFileSizeHigh = FileStandard.EndOfFile.u.HighPart;
|
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lpFileInformation->nFileSizeLow = FileStandard.EndOfFile.u.LowPart;
|
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|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/*
|
|
* @implemented
|
|
*/
|
|
BOOL WINAPI
|
|
GetFileAttributesExW(LPCWSTR lpFileName,
|
|
GET_FILEEX_INFO_LEVELS fInfoLevelId,
|
|
LPVOID lpFileInformation)
|
|
{
|
|
FILE_NETWORK_OPEN_INFORMATION FileInformation;
|
|
OBJECT_ATTRIBUTES ObjectAttributes;
|
|
UNICODE_STRING FileName;
|
|
NTSTATUS Status;
|
|
WIN32_FILE_ATTRIBUTE_DATA* FileAttributeData;
|
|
|
|
TRACE("GetFileAttributesExW(%S) called\n", lpFileName);
|
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|
|
|
|
if (fInfoLevelId != GetFileExInfoStandard || lpFileInformation == NULL)
|
|
{
|
|
SetLastError(ERROR_INVALID_PARAMETER);
|
|
return FALSE;
|
|
}
|
|
|
|
/* Validate and translate the filename */
|
|
if (!RtlDosPathNameToNtPathName_U (lpFileName,
|
|
&FileName,
|
|
NULL,
|
|
NULL))
|
|
{
|
|
WARN ("Invalid path '%S'\n", lpFileName);
|
|
SetLastError (ERROR_BAD_PATHNAME);
|
|
return FALSE;
|
|
}
|
|
|
|
/* build the object attributes */
|
|
InitializeObjectAttributes (&ObjectAttributes,
|
|
&FileName,
|
|
OBJ_CASE_INSENSITIVE,
|
|
NULL,
|
|
NULL);
|
|
|
|
/* Get file attributes */
|
|
Status = NtQueryFullAttributesFile(&ObjectAttributes,
|
|
&FileInformation);
|
|
|
|
RtlFreeUnicodeString (&FileName);
|
|
if (!NT_SUCCESS (Status))
|
|
{
|
|
WARN ("NtQueryFullAttributesFile() failed (Status %lx)\n", Status);
|
|
BaseSetLastNTError (Status);
|
|
return FALSE;
|
|
}
|
|
|
|
FileAttributeData = (WIN32_FILE_ATTRIBUTE_DATA*)lpFileInformation;
|
|
FileAttributeData->dwFileAttributes = FileInformation.FileAttributes;
|
|
FileAttributeData->ftCreationTime.dwLowDateTime = FileInformation.CreationTime.u.LowPart;
|
|
FileAttributeData->ftCreationTime.dwHighDateTime = FileInformation.CreationTime.u.HighPart;
|
|
FileAttributeData->ftLastAccessTime.dwLowDateTime = FileInformation.LastAccessTime.u.LowPart;
|
|
FileAttributeData->ftLastAccessTime.dwHighDateTime = FileInformation.LastAccessTime.u.HighPart;
|
|
FileAttributeData->ftLastWriteTime.dwLowDateTime = FileInformation.LastWriteTime.u.LowPart;
|
|
FileAttributeData->ftLastWriteTime.dwHighDateTime = FileInformation.LastWriteTime.u.HighPart;
|
|
FileAttributeData->nFileSizeLow = FileInformation.EndOfFile.u.LowPart;
|
|
FileAttributeData->nFileSizeHigh = FileInformation.EndOfFile.u.HighPart;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*
|
|
* @implemented
|
|
*/
|
|
BOOL WINAPI
|
|
GetFileAttributesExA(LPCSTR lpFileName,
|
|
GET_FILEEX_INFO_LEVELS fInfoLevelId,
|
|
LPVOID lpFileInformation)
|
|
{
|
|
PWCHAR FileNameW;
|
|
|
|
if (!(FileNameW = FilenameA2W(lpFileName, FALSE)))
|
|
return FALSE;
|
|
|
|
return GetFileAttributesExW(FileNameW, fInfoLevelId, lpFileInformation);
|
|
}
|
|
|
|
|
|
/*
|
|
* @implemented
|
|
*/
|
|
DWORD WINAPI
|
|
GetFileAttributesA(LPCSTR lpFileName)
|
|
{
|
|
PWSTR FileNameW;
|
|
|
|
if (!lpFileName || !(FileNameW = FilenameA2W(lpFileName, FALSE)))
|
|
return INVALID_FILE_ATTRIBUTES;
|
|
|
|
return GetFileAttributesW(FileNameW);
|
|
}
|
|
|
|
|
|
/*
|
|
* @implemented
|
|
*/
|
|
DWORD
|
|
WINAPI
|
|
GetFileAttributesW(LPCWSTR lpFileName)
|
|
{
|
|
NTSTATUS Status;
|
|
UNICODE_STRING FileName;
|
|
OBJECT_ATTRIBUTES ObjectAttributes;
|
|
FILE_BASIC_INFORMATION FileInformation;
|
|
|
|
/* Get the NT path name */
|
|
if (!RtlDosPathNameToNtPathName_U(lpFileName, &FileName, NULL, NULL))
|
|
{
|
|
SetLastError(ERROR_PATH_NOT_FOUND);
|
|
return INVALID_FILE_ATTRIBUTES;
|
|
}
|
|
|
|
/* Prepare for querying attributes */
|
|
InitializeObjectAttributes(&ObjectAttributes, &FileName,
|
|
OBJ_CASE_INSENSITIVE,
|
|
NULL, NULL);
|
|
/* Simply query attributes */
|
|
Status = NtQueryAttributesFile(&ObjectAttributes, &FileInformation);
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
/* It failed? Is it a DOS device? */
|
|
if (RtlIsDosDeviceName_U(lpFileName))
|
|
{
|
|
return FILE_ATTRIBUTE_ARCHIVE;
|
|
}
|
|
|
|
/* Set the error otherwise */
|
|
BaseSetLastNTError(Status);
|
|
return INVALID_FILE_ATTRIBUTES;
|
|
}
|
|
|
|
/* Return the file attributes */
|
|
return FileInformation.FileAttributes;
|
|
}
|
|
|
|
|
|
/*
|
|
* @implemented
|
|
*/
|
|
BOOL WINAPI
|
|
GetFileAttributesByHandle(IN HANDLE hFile,
|
|
OUT LPDWORD dwFileAttributes,
|
|
IN DWORD dwFlags)
|
|
{
|
|
FILE_BASIC_INFORMATION FileBasic;
|
|
IO_STATUS_BLOCK IoStatusBlock;
|
|
NTSTATUS Status;
|
|
|
|
UNREFERENCED_PARAMETER(dwFlags);
|
|
|
|
if (IsConsoleHandle(hFile))
|
|
{
|
|
SetLastError(ERROR_INVALID_HANDLE);
|
|
return FALSE;
|
|
}
|
|
|
|
Status = NtQueryInformationFile(hFile,
|
|
&IoStatusBlock,
|
|
&FileBasic,
|
|
sizeof(FileBasic),
|
|
FileBasicInformation);
|
|
if (NT_SUCCESS(Status))
|
|
{
|
|
*dwFileAttributes = FileBasic.FileAttributes;
|
|
return TRUE;
|
|
}
|
|
|
|
BaseSetLastNTError(Status);
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
/*
|
|
* @implemented
|
|
*/
|
|
BOOL WINAPI
|
|
SetFileAttributesByHandle(IN HANDLE hFile,
|
|
IN DWORD dwFileAttributes,
|
|
IN DWORD dwFlags)
|
|
{
|
|
FILE_BASIC_INFORMATION FileBasic;
|
|
IO_STATUS_BLOCK IoStatusBlock;
|
|
NTSTATUS Status;
|
|
|
|
UNREFERENCED_PARAMETER(dwFlags);
|
|
|
|
if (IsConsoleHandle(hFile))
|
|
{
|
|
SetLastError(ERROR_INVALID_HANDLE);
|
|
return FALSE;
|
|
}
|
|
|
|
Status = NtQueryInformationFile(hFile,
|
|
&IoStatusBlock,
|
|
&FileBasic,
|
|
sizeof(FileBasic),
|
|
FileBasicInformation);
|
|
if (NT_SUCCESS(Status))
|
|
{
|
|
FileBasic.FileAttributes = dwFileAttributes;
|
|
|
|
Status = NtSetInformationFile(hFile,
|
|
&IoStatusBlock,
|
|
&FileBasic,
|
|
sizeof(FileBasic),
|
|
FileBasicInformation);
|
|
}
|
|
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
BaseSetLastNTError(Status);
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/*
|
|
* @implemented
|
|
*/
|
|
BOOL WINAPI
|
|
SetFileAttributesA(
|
|
LPCSTR lpFileName,
|
|
DWORD dwFileAttributes)
|
|
{
|
|
PWCHAR FileNameW;
|
|
|
|
if (!(FileNameW = FilenameA2W(lpFileName, FALSE)))
|
|
return FALSE;
|
|
|
|
return SetFileAttributesW(FileNameW, dwFileAttributes);
|
|
}
|
|
|
|
|
|
/*
|
|
* @implemented
|
|
*/
|
|
BOOL
|
|
WINAPI
|
|
SetFileAttributesW(LPCWSTR lpFileName,
|
|
DWORD dwFileAttributes)
|
|
{
|
|
NTSTATUS Status;
|
|
PWSTR PathUBuffer;
|
|
HANDLE FileHandle;
|
|
UNICODE_STRING NtPathU;
|
|
IO_STATUS_BLOCK IoStatusBlock;
|
|
RTL_RELATIVE_NAME_U RelativeName;
|
|
OBJECT_ATTRIBUTES ObjectAttributes;
|
|
FILE_BASIC_INFORMATION FileInformation;
|
|
|
|
/* Get relative name */
|
|
if (!RtlDosPathNameToRelativeNtPathName_U(lpFileName, &NtPathU, NULL, &RelativeName))
|
|
{
|
|
SetLastError(ERROR_PATH_NOT_FOUND);
|
|
return FALSE;
|
|
}
|
|
|
|
/* Save buffer to allow later freeing */
|
|
PathUBuffer = NtPathU.Buffer;
|
|
|
|
/* If we have relative name (and root dir), use them instead */
|
|
if (RelativeName.RelativeName.Length != 0)
|
|
{
|
|
NtPathU.Length = RelativeName.RelativeName.Length;
|
|
NtPathU.MaximumLength = RelativeName.RelativeName.MaximumLength;
|
|
NtPathU.Buffer = RelativeName.RelativeName.Buffer;
|
|
}
|
|
else
|
|
{
|
|
RelativeName.ContainingDirectory = NULL;
|
|
}
|
|
|
|
/* Prepare the object attribute for opening the file */
|
|
InitializeObjectAttributes(&ObjectAttributes, &NtPathU,
|
|
OBJ_CASE_INSENSITIVE,
|
|
RelativeName.ContainingDirectory, NULL);
|
|
|
|
/* Attempt to open the file, while supporting reparse point */
|
|
Status = NtOpenFile(&FileHandle, FILE_WRITE_ATTRIBUTES | SYNCHRONIZE,
|
|
&ObjectAttributes, &IoStatusBlock,
|
|
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
|
|
FILE_OPEN_REPARSE_POINT | FILE_OPEN_FOR_BACKUP_INTENT | FILE_SYNCHRONOUS_IO_NONALERT);
|
|
/* If opening failed, check whether it was because of reparse point support */
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
/* Nope, just quit */
|
|
if (Status != STATUS_INVALID_PARAMETER)
|
|
{
|
|
RtlReleaseRelativeName(&RelativeName);
|
|
RtlFreeHeap(RtlGetProcessHeap(), 0, PathUBuffer);
|
|
BaseSetLastNTError(Status);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
/* Yes, retry without */
|
|
Status = NtOpenFile(&FileHandle, FILE_WRITE_ATTRIBUTES | SYNCHRONIZE,
|
|
&ObjectAttributes, &IoStatusBlock,
|
|
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
|
|
FILE_OPEN_FOR_BACKUP_INTENT | FILE_SYNCHRONOUS_IO_NONALERT);
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
RtlReleaseRelativeName(&RelativeName);
|
|
RtlFreeHeap(RtlGetProcessHeap(), 0, PathUBuffer);
|
|
BaseSetLastNTError(Status);
|
|
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
/* We don't need strings anylonger */
|
|
RtlReleaseRelativeName(&RelativeName);
|
|
RtlFreeHeap(RtlGetProcessHeap(), 0, PathUBuffer);
|
|
|
|
/* Zero our structure, we'll only set file attributes */
|
|
ZeroMemory(&FileInformation, sizeof(FileInformation));
|
|
/* Set the attributes, filtering only allowed attributes, and forcing normal attribute */
|
|
FileInformation.FileAttributes = (dwFileAttributes & FILE_ATTRIBUTE_VALID_SET_FLAGS) | FILE_ATTRIBUTE_NORMAL;
|
|
|
|
/* Finally, set the attributes */
|
|
Status = NtSetInformationFile(FileHandle, &IoStatusBlock, &FileInformation,
|
|
sizeof(FILE_BASIC_INFORMATION), FileBasicInformation);
|
|
/* Close the file */
|
|
NtClose(FileHandle);
|
|
|
|
/* If it failed, set the error and fail */
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
BaseSetLastNTError(Status);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*
|
|
* @implemented
|
|
*/
|
|
BOOL WINAPI
|
|
GetFileTime(IN HANDLE hFile,
|
|
OUT LPFILETIME lpCreationTime OPTIONAL,
|
|
OUT LPFILETIME lpLastAccessTime OPTIONAL,
|
|
OUT LPFILETIME lpLastWriteTime OPTIONAL)
|
|
{
|
|
NTSTATUS Status;
|
|
IO_STATUS_BLOCK IoStatusBlock;
|
|
FILE_BASIC_INFORMATION FileBasic;
|
|
|
|
if(IsConsoleHandle(hFile))
|
|
{
|
|
BaseSetLastNTError(STATUS_INVALID_HANDLE);
|
|
return FALSE;
|
|
}
|
|
|
|
Status = NtQueryInformationFile(hFile,
|
|
&IoStatusBlock,
|
|
&FileBasic,
|
|
sizeof(FILE_BASIC_INFORMATION),
|
|
FileBasicInformation);
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
BaseSetLastNTError(Status);
|
|
return FALSE;
|
|
}
|
|
|
|
if (lpCreationTime)
|
|
{
|
|
lpCreationTime->dwLowDateTime = FileBasic.CreationTime.LowPart;
|
|
lpCreationTime->dwHighDateTime = FileBasic.CreationTime.HighPart;
|
|
}
|
|
|
|
if (lpLastAccessTime)
|
|
{
|
|
lpLastAccessTime->dwLowDateTime = FileBasic.LastAccessTime.LowPart;
|
|
lpLastAccessTime->dwHighDateTime = FileBasic.LastAccessTime.HighPart;
|
|
}
|
|
|
|
if (lpLastWriteTime)
|
|
{
|
|
lpLastWriteTime->dwLowDateTime = FileBasic.LastWriteTime.LowPart;
|
|
lpLastWriteTime->dwHighDateTime = FileBasic.LastWriteTime.HighPart;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/*
|
|
* @implemented
|
|
*/
|
|
BOOL WINAPI
|
|
SetFileTime(IN HANDLE hFile,
|
|
CONST FILETIME *lpCreationTime OPTIONAL,
|
|
CONST FILETIME *lpLastAccessTime OPTIONAL,
|
|
CONST FILETIME *lpLastWriteTime OPTIONAL)
|
|
{
|
|
NTSTATUS Status;
|
|
IO_STATUS_BLOCK IoStatusBlock;
|
|
FILE_BASIC_INFORMATION FileBasic;
|
|
|
|
if(IsConsoleHandle(hFile))
|
|
{
|
|
BaseSetLastNTError(STATUS_INVALID_HANDLE);
|
|
return FALSE;
|
|
}
|
|
|
|
memset(&FileBasic, 0, sizeof(FILE_BASIC_INFORMATION));
|
|
|
|
if (lpCreationTime)
|
|
{
|
|
FileBasic.CreationTime.LowPart = lpCreationTime->dwLowDateTime;
|
|
FileBasic.CreationTime.HighPart = lpCreationTime->dwHighDateTime;
|
|
}
|
|
|
|
if (lpLastAccessTime)
|
|
{
|
|
FileBasic.LastAccessTime.LowPart = lpLastAccessTime->dwLowDateTime;
|
|
FileBasic.LastAccessTime.HighPart = lpLastAccessTime->dwHighDateTime;
|
|
}
|
|
|
|
if (lpLastWriteTime)
|
|
{
|
|
FileBasic.LastWriteTime.LowPart = lpLastWriteTime->dwLowDateTime;
|
|
FileBasic.LastWriteTime.HighPart = lpLastWriteTime->dwHighDateTime;
|
|
}
|
|
|
|
Status = NtSetInformationFile(hFile,
|
|
&IoStatusBlock,
|
|
&FileBasic,
|
|
sizeof(FILE_BASIC_INFORMATION),
|
|
FileBasicInformation);
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
BaseSetLastNTError(Status);
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/*
|
|
* The caller must have opened the file with the DesiredAccess FILE_WRITE_DATA flag set.
|
|
*
|
|
* @implemented
|
|
*/
|
|
BOOL WINAPI
|
|
SetEndOfFile(HANDLE hFile)
|
|
{
|
|
IO_STATUS_BLOCK IoStatusBlock;
|
|
FILE_END_OF_FILE_INFORMATION EndOfFileInfo;
|
|
FILE_ALLOCATION_INFORMATION FileAllocationInfo;
|
|
FILE_POSITION_INFORMATION FilePosInfo;
|
|
NTSTATUS Status;
|
|
|
|
if(IsConsoleHandle(hFile))
|
|
{
|
|
SetLastError(ERROR_INVALID_HANDLE);
|
|
return FALSE;
|
|
}
|
|
|
|
//get current position
|
|
Status = NtQueryInformationFile(
|
|
hFile,
|
|
&IoStatusBlock,
|
|
&FilePosInfo,
|
|
sizeof(FILE_POSITION_INFORMATION),
|
|
FilePositionInformation
|
|
);
|
|
|
|
if (!NT_SUCCESS(Status)){
|
|
BaseSetLastNTError(Status);
|
|
return FALSE;
|
|
}
|
|
|
|
EndOfFileInfo.EndOfFile.QuadPart = FilePosInfo.CurrentByteOffset.QuadPart;
|
|
|
|
/*
|
|
NOTE:
|
|
This call is not supposed to free up any space after the eof marker
|
|
if the file gets truncated. We have to deallocate the space explicitly afterwards.
|
|
But...most file systems dispatch both FileEndOfFileInformation
|
|
and FileAllocationInformation as they were the same command.
|
|
|
|
*/
|
|
Status = NtSetInformationFile(
|
|
hFile,
|
|
&IoStatusBlock, //out
|
|
&EndOfFileInfo,
|
|
sizeof(FILE_END_OF_FILE_INFORMATION),
|
|
FileEndOfFileInformation
|
|
);
|
|
|
|
if (!NT_SUCCESS(Status)){
|
|
BaseSetLastNTError(Status);
|
|
return FALSE;
|
|
}
|
|
|
|
FileAllocationInfo.AllocationSize.QuadPart = FilePosInfo.CurrentByteOffset.QuadPart;
|
|
|
|
|
|
Status = NtSetInformationFile(
|
|
hFile,
|
|
&IoStatusBlock, //out
|
|
&FileAllocationInfo,
|
|
sizeof(FILE_ALLOCATION_INFORMATION),
|
|
FileAllocationInformation
|
|
);
|
|
|
|
if (!NT_SUCCESS(Status)){
|
|
BaseSetLastNTError(Status);
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
|
/*
|
|
* @implemented
|
|
*/
|
|
BOOL
|
|
WINAPI
|
|
SetFileValidData(
|
|
HANDLE hFile,
|
|
LONGLONG ValidDataLength
|
|
)
|
|
{
|
|
IO_STATUS_BLOCK IoStatusBlock;
|
|
FILE_VALID_DATA_LENGTH_INFORMATION ValidDataLengthInformation;
|
|
NTSTATUS Status;
|
|
|
|
ValidDataLengthInformation.ValidDataLength.QuadPart = ValidDataLength;
|
|
|
|
Status = NtSetInformationFile(
|
|
hFile,
|
|
&IoStatusBlock, //out
|
|
&ValidDataLengthInformation,
|
|
sizeof(FILE_VALID_DATA_LENGTH_INFORMATION),
|
|
FileValidDataLengthInformation
|
|
);
|
|
|
|
if (!NT_SUCCESS(Status)){
|
|
BaseSetLastNTError(Status);
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/* EOF */
|