reactos/base/applications/cmdutils/fsutil/dirty.c

   1 /*
   2  * COPYRIGHT:       See COPYING in the top level directory
   3  * PROJECT:         ReactOS FS utility tool
   4  * FILE:            base/applications/cmdutils/dirty.c
   5  * PURPOSE:         FSutil dirty bit handling
   6  * PROGRAMMERS:     Pierre Schweitzer <pierre@reactos.org>
   7  */
   8
   9 #include "fsutil.h"
  10 #include <winioctl.h>
  11
  12 /* Add handlers here for subcommands */
  13 static int QueryMain(int argc, const TCHAR *argv[]);
  14 static int SetMain(int argc, const TCHAR *argv[]);
  15 static HandlerItem HandlersList[] =
  16 {
  17     /* Proc, name, help */
  18     { QueryMain, _T("query"), _T("Show the dirty bit") },
  19     { SetMain, _T("set"), _T("Set the dirty bit") },
  20 };
  21
  22 static int
  23 QueryMain(int argc, const TCHAR *argv[])
  24 {
  25     HANDLE Volume;
  26     TCHAR VolumeID[PATH_MAX];
  27     ULONG VolumeStatus, BytesRead;
  28
  29     /* We need a volume (letter or GUID) */
  30     if (argc < 2)
  31     {
  32         _ftprintf(stderr, _T("Usage: fsutil dirty query <volume>\n"));
  33         _ftprintf(stderr, _T("\tFor example: fsutil dirty query c:\n"));
  34         return 1;
  35     }
  36
  37     /* Create full name */
  38     _stprintf(VolumeID, _T("\\\\.\\%s"), argv[1]);
  39
  40     /* Open the volume */
  41     Volume = CreateFile(VolumeID, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE,
  42                         NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
  43     if (Volume == INVALID_HANDLE_VALUE)
  44     {
  45         _ftprintf(stderr, _T("Error: %d\n"), GetLastError());
  46         return 1;
  47     }
  48
  49     /* And query the dirty status */
  50     if (DeviceIoControl(Volume, FSCTL_IS_VOLUME_DIRTY, NULL, 0, &VolumeStatus,
  51                         sizeof(ULONG), &BytesRead, NULL) == FALSE)
  52     {
  53         _ftprintf(stderr, _T("Error: %d\n"), GetLastError());
  54         CloseHandle(Volume);
  55         return 1;
  56     }
  57
  58     CloseHandle(Volume);
  59
  60     /* Print the status */
  61     _ftprintf(stdout, _T("The %s volume is %s\n"), argv[1], (VolumeStatus & VOLUME_IS_DIRTY ? _T("dirty") : _T("clean")));
  62
  63     return 1;
  64 }
  65
  66 static int
  67 SetMain(int argc, const TCHAR *argv[])
  68 {
  69     /* FIXME */
  70     _ftprintf(stderr, _T("Not implemented\n"));
  71     return 1;
  72 }
  73
  74 static void
  75 PrintUsage(const TCHAR * Command)
  76 {
  77     int i;
  78
  79     /* If we were given a command, print it's not supported */
  80     if (Command != NULL)
  81     {
  82         _ftprintf(stderr, _T("Unhandled DIRTY command: %s\n"), Command);
  83     }
  84
  85     /* And dump any available command */
  86     _ftprintf(stderr, _T("---- Handled DIRTY commands ----\n\n"));
  87     for (i = 0; i < (sizeof(HandlersList) / sizeof(HandlersList[0])); ++i)
  88     {
  89         _ftprintf(stderr, _T("%s\t%s\n"), HandlersList[i].Command, HandlersList[i].Desc);
  90     }
  91 }
  92
  93 int
  94 DirtyMain(int argc, const TCHAR *argv[])
  95 {
  96     return FindHandler(argc, argv, (HandlerItem *)&HandlersList,
  97                        (sizeof(HandlersList) / sizeof(HandlersList[0])),
  98                        PrintUsage);
  99 }