Leaked source code of windows server 2003
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150 lines
3.7 KiB

/*++
Copyright (c) 1989 Microsoft Corporation
Module Name:
sync.c
Abstract:
This is the main module for the Win32 sync command.
Author:
Mark Lucovsky (markl) 28-Jan-1991
Revision History:
--*/
#include "sync.h"
int
__cdecl main( argc, argv )
int argc;
char *argv[];
{
BOOLEAN fEject;
char *p;
int i;
char c;
char DrivePath[ 4 ];
if (argc > 1 &&
(!_stricmp( argv[1], "-e" ) || !_stricmp( argv[1], "/e" ))
) {
argc -= 1;
argv += 1;
fEject = TRUE;
}
else {
fEject = FALSE;
}
if ( argc > 1 ) {
while (--argc) {
p = *++argv;
if ( isalpha(*p) ) {
sprintf( DrivePath, "%c:", *p );
SyncVolume( DrivePath, fEject );
}
}
}
else {
for(i=0;i<26;i++){
c = (CHAR)i + (CHAR)'a';
sprintf( DrivePath, "%c:", i+'A' );
switch (GetDriveType( DrivePath )) {
case DRIVE_REMOVABLE:
if (i <2) {
break;
}
case DRIVE_FIXED:
SyncVolume( DrivePath, fEject );
break;
}
}
}
return( 0 );
}
void
SyncVolume(
PCHAR DrivePath,
BOOLEAN EjectMedia
)
{
UCHAR VolumePath[16];
HANDLE VolumeHandle;
DWORD ReturnedByteCount;
_strupr( DrivePath );
sprintf( VolumePath, "\\\\.\\%s", DrivePath );
VolumeHandle = CreateFile( VolumePath,
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL,
OPEN_EXISTING,
0,
NULL
);
if (VolumeHandle == INVALID_HANDLE_VALUE ) {
fprintf( stderr, "SYNC: Unable to open %s volume (%u)\n", DrivePath, GetLastError() );
return;
}
printf( "Syncing %s ... ", DrivePath );
if (!FlushFileBuffers( VolumeHandle )) {
printf( "flush failed (%u)\n", GetLastError() );
}
else
if (!DeviceIoControl( VolumeHandle,
FSCTL_LOCK_VOLUME,
NULL,
0,
NULL,
0,
&ReturnedByteCount,
NULL
)
) {
printf( "lock volume failed (%u)\n", GetLastError() );
}
else
if (!DeviceIoControl( VolumeHandle,
FSCTL_DISMOUNT_VOLUME,
NULL,
0,
NULL,
0,
&ReturnedByteCount,
NULL
)
) {
printf( "dismount volume failed (%u)\n", GetLastError() );
}
else
if (EjectMedia && !DeviceIoControl( VolumeHandle,
IOCTL_DISK_EJECT_MEDIA,
NULL,
0,
NULL,
0,
&ReturnedByteCount,
NULL
)
) {
printf( "eject media failed (%u)\n", GetLastError() );
}
else {
printf( "done. Okay to remove drive.\n" );
}
CloseHandle( VolumeHandle );
return;
}