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| unit fmchkdsk;
interface
uses
Windows, Messages, SysUtils, Classes;
const
fmifs = 'fmifs.dll' ;
WM_GETOBJ = WM_USER + 701 ;
// flags media
FMIFS_HARDDISK = $0C ;
FMIFS_FLOPPY = $08 ;
// Commandes Output
type
TextOutput = record
Lines: DWORD ;
Output: PANSICHAR ; //PCHAR
end ;
PTextOutput = ^TextOutput ;
// Commandes Callback
TCallBackCommand = ( PROGRESS, DONEWITHSTRUCTURE, UNKNOWN2,
UNKNOWN3, UNKNOWN4, UNKNOWN5, INSUFFICIENTRIGHTS,
UNKNOWN7, UNKNOWN8, UNKNOWN9, UNKNOWNA, DONE,
UNKNOWNC, UNKNOWND, OUTPUT, STRUCTUREPROGRESS,
UNKNOWN10) ; // pas tous utilisés
var
// Commandes Chkdsk
Chkdsk: procedure (
DriveRoot: PWCHAR;
Format: PWChar ; // essayé PANSICHAR partout a la place de PCHAR -> même résultat
CorrectErrors: BOOL;
Verbose: BOOL;
CheckOnlyIfDirty: BOOL;
ScanDrive: BOOL;
Unused2: DWORD;
Unused3: DWORD;
Callback: Pointer); stdcall;
[...]
type
TMediaType = (mtHardDisk, mtFloppy) ;
TFileSystem = (fsNTFS, fsFAT, fsFAT32) ;
TProgressEvent = Procedure (Percent: integer; var Cancel: boolean) of object ;
TInfoEvent = Procedure (Info: string; var Cancel: boolean) of object ;
TFmtChkDsk = class(TComponent)
private
{ Private declarations }
fProgressEvent: TProgressEvent ;
fInfoEvent: TInfoEvent ;
fDoneOK: boolean ;
fFileSysProblem: boolean ;
fFreeSpaceAlloc: boolean ;
fFirstErrorLine: string ;
protected
{ Protected declarations }
function CheckDriveExists (const WDrive: WideString;
CheckInUse: boolean ; var WFormat: WideString): boolean ;
function doProgressEvent (const Percent: integer): boolean ;
function doInfoEvent (const Info: string): boolean ;
procedure WMGETOBJ (var msg: TMessage); message WM_GETOBJ;
public
{ Public declarations }
function LoadFmifs: boolean ;
FileSystem: TFileSystem;
function CheckDisk (const DrvRoot: string; CorrectErrors, Verbose,
CheckOnlyIfDirty, ScanDrive: boolean): boolean ;
end;
FmtChkException = class(Exception);
var
Fmifsib: THandle = 0 ;
Fmifs_Loaded: Boolean = false ; // Check si les fonctions DLL sont chargées
FmtObj: TObject ;
implementation
// Définitions callback
function ChkDskCallback (Command: TCallBackCommand; SubAction: DWORD;
ActionInfo: Pointer): Boolean; stdcall;
var
flag: pboolean ;
percent: pinteger ;
toutput: PTextOutput ;
Obj: TObject ;
info: string ;
progper: integer ;
cancelflag: boolean ;
begin
result := true ;
cancelflag := false ;
progper := -1 ;
info := '' ;
// Obj := TObject (SendMessage (HInstance, WM_GETOBJ, 0, 0)) ;
Obj := FmtObj ;
if NOT Assigned (TFmtChkDsk (Obj)) then exit ;
case Command of
Progress:
begin
percent := ActionInfo ;
progper := percent^ ;
end ;
Output:
begin
toutput := ActionInfo ;
info := Trim (toutput^.Output) ;
// texte tel que sorti
if (Pos ('found problems', info) > 0) or
(Pos ('Correcting errors', info) > 0) or
(Pos ('Errors found', info) > 0) or
(Pos ('(fix) option', info) > 0) then
begin
TFmtChkDsk (Obj).fFileSysProblem := true ;
if TFmtChkDsk (Obj).fFirstErrorLine = '' then
TFmtChkDsk (Obj).fFirstErrorLine := info ;
end ;
if (Pos ('free space marked as allocated', info) > 0) then
begin
TFmtChkDsk (Obj).fFreeSpaceAlloc := true ;
if TFmtChkDsk (Obj).fFirstErrorLine = '' then
TFmtChkDsk (Obj).fFirstErrorLine := info ;
end ;
end ;
Done:
begin
flag := ActionInfo ;
TFmtChkDsk (Obj).fDoneOK := flag^ ;
if flag^ then
info := 'Chkdsk : Terminé avec succès'
else
info := 'Chkdsk: Dans l''impossibilité de terminer' ;
end ;
else
info := 'ChkDsk Callback: ' + IntToStr (Ord (Command)) ;
end ;
if progper >= 0 then cancelflag := TFmtChkDsk (Obj).doProgressEvent (progper) ;
if info <> '' then cancelflag := TFmtChkDsk (Obj).doInfoEvent (info) ;
result := NOT cancelflag ;
end ;
procedure TChkDsk.WMGETOBJ (var msg: TMessage);
begin
msg.Result := Integer (TFmtChkDsk) ;
end ;
function TFmtChkDsk.doProgressEvent (const Percent: integer): boolean ;
begin
result := false ;
if Assigned (fProgressEvent) then fProgressEvent (Percent, result) ;
end ;
function TFmtChkDsk.doInfoEvent (const Info: string): boolean ;
begin
result := false ;
if Assigned (fInfoEvent) then fInfoEvent (Info, result) ;
end ;
function TChkDsk.CheckDriveExists (const WDrive: WideString;
CheckInUse: boolean ; var WFormat: WideString): boolean ;
var
FileSysName : Array[0..MAX_PATH] of WChar;
VolumeName : Array[0..MAX_PATH] of WChar;
maxcomlen, flags: longword;
handle: THandle ;
voldev: WideString ;
begin
if (Length (WDrive) < 2) or (WDrive [2] <> ':') then
begin
raise FmtChkException.Create('Spécification disque non valide: ' + WDrive);
exit ;
end ;
[...]
function TChkDsk.CheckDisk (const DrvRoot: string; CorrectErrors, Verbose,
CheckOnlyIfDirty, ScanDrive: boolean): boolean ;
var
wdrive, wformat: widestring ;
begin
result := false ;
if NOT LoadFmifs then exit ;
wdrive := Uppercase (DrvRoot) ;
if NOT CheckDriveExists (wdrive, CorrectErrors, wformat) then exit ;
FmtObj := Self ;
fDoneOK := false ;
fFileSysProblem := false ;
fFreeSpaceAlloc := false ;
fFirstErrorLine := '' ;
Chkdsk (PWchar (wdrive), PWchar (wformat), CorrectErrors, Verbose,
CheckOnlyIfDirty, ScanDrive, 0, 0, @ChkDskCallback) ;
if fFileSysProblem then
result := true // ignore stopped if got an error
else
result := fDoneOK ;
end ;
function TChkDsk.VolumeCompression (const DrvRoot: string; Enable: boolean): boolean ;
var
wdrive, wformat: widestring ;
begin
result := false ;
if NOT LoadFmifs then exit ;
wdrive := Uppercase (DrvRoot) ;
if NOT CheckDriveExists (wdrive, true, wformat) then exit ;
result := EnableVolumeCompession (PWchar (wdrive), Enable) ;
end ;
[...]
result := false ;
Fmifs_Loaded := True ;
Fmifsib := LoadLibrary (fmifs) ;
if Fmifsib = 0 then exit ;
Chkdsk := GetProcAddress (Fmifsib, 'Chkdsk') ;
EnableVolumeCompession := GetProcAddress (Fmifsib, 'EnableVolumeCompession') ;
result := Assigned (Chkdsk) ;
end ;
[...]
end. |
