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125 lines
3.2 KiB
C
125 lines
3.2 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS FS utility tool
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* FILE: base/applications/cmdutils/volume.c
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* PURPOSE: FSutil volumes management
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* PROGRAMMERS: Pierre Schweitzer <pierre@reactos.org>
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*/
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#include "fsutil.h"
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/* Add handlers here for subcommands */
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static HandlerProc DismountMain;
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static HandlerProc DiskFreeMain;
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static HandlerItem HandlersList[] =
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{
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/* Proc, name, help */
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{ DismountMain, _T("dismount"), _T("Dismounts a volume") },
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{ DiskFreeMain, _T("diskfree"), _T("Prints free space on a volume") },
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};
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static int
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LockOrUnlockVolume(HANDLE Volume, BOOLEAN Lock)
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{
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DWORD Operation;
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ULONG BytesRead;
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Operation = (Lock ? FSCTL_LOCK_VOLUME : FSCTL_UNLOCK_VOLUME);
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if (DeviceIoControl(Volume, Operation, NULL, 0, NULL, 0,
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&BytesRead, NULL) == FALSE)
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{
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PrintErrorMessage(GetLastError());
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return 1;
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}
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return 0;
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}
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static int
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DismountMain(int argc, const TCHAR *argv[])
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{
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HANDLE Volume;
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ULONG BytesRead;
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/* We need a volume (letter or GUID) */
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if (argc < 2)
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{
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_ftprintf(stderr, _T("Usage: fsutil volume dismount <volume>\n"));
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_ftprintf(stderr, _T("\tFor example: fsutil volume dismount d:\n"));
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return 1;
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}
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/* Get a handle for the volume */
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Volume = OpenVolume(argv[1], FALSE, FALSE);
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if (Volume == INVALID_HANDLE_VALUE)
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{
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return 1;
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}
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/* Attempt to lock the volume */
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if (LockOrUnlockVolume(Volume, TRUE))
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{
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CloseHandle(Volume);
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return 1;
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}
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/* Issue the dismount command */
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if (DeviceIoControl(Volume, FSCTL_DISMOUNT_VOLUME, NULL, 0, NULL,
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0, &BytesRead, NULL) == FALSE)
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{
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PrintErrorMessage(GetLastError());
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LockOrUnlockVolume(Volume, FALSE);
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CloseHandle(Volume);
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return 1;
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}
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/* Unlock and quit */
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LockOrUnlockVolume(Volume, FALSE);
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CloseHandle(Volume);
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_ftprintf(stdout, _T("The %s volume has been dismounted\n"), argv[1]);
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return 0;
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}
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static int
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DiskFreeMain(int argc, const TCHAR *argv[])
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{
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ULARGE_INTEGER FreeAvail, TotalNumber, TotalNumberFree;
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/* We need a path */
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if (argc < 2)
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{
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_ftprintf(stderr, _T("Usage: fsutil volume diskfree <volume path>\n"));
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_ftprintf(stderr, _T("\tFor example: fsutil volume diskfree c:\n"));
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return 1;
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}
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if (!GetDiskFreeSpaceEx(argv[1], &FreeAvail, &TotalNumber, &TotalNumberFree))
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{
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PrintErrorMessage(GetLastError());
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return 1;
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}
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_ftprintf(stdout, _T("Total free bytes\t\t: %I64i\n"), TotalNumberFree.QuadPart);
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_ftprintf(stdout, _T("Total bytes\t\t\t: %I64i\n"), TotalNumber.QuadPart);
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_ftprintf(stdout, _T("Total free available bytes\t: %I64i\n"), FreeAvail.QuadPart);
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return 0;
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}
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static void
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PrintUsage(const TCHAR * Command)
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{
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PrintDefaultUsage(_T(" VOLUME "), Command, (HandlerItem *)&HandlersList,
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(sizeof(HandlersList) / sizeof(HandlersList[0])));
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}
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int
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VolumeMain(int argc, const TCHAR *argv[])
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{
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return FindHandler(argc, argv, (HandlerItem *)&HandlersList,
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(sizeof(HandlersList) / sizeof(HandlersList[0])),
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PrintUsage);
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}
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