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Honour FILE_OVERWRITE and FILE_OVERWRITE_IF (truncate existing file)

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svn path=/trunk/; revision=4041
This commit is contained in:
Gé van Geldorp 2003-01-19 01:06:45 +00:00
parent 96fdaea58f
commit 31036dbb90
1 changed files with 19 additions and 2 deletions
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21
reactos/drivers/fs/vfat/create.c
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@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: create.c,v 1.52 2003/01/16 22:02:24 gvg Exp $
/* $Id: create.c,v 1.53 2003/01/19 01:06:45 gvg Exp $
*
* PROJECT: ReactOS kernel
* FILE: services/fs/vfat/create.c
@ -558,7 +558,8 @@ VfatCreateFile (PDEVICE_OBJECT DeviceObject, PIRP Irp)
PVFATCCB pCcb;
PVFATFCB pFcb;
PWCHAR c;
BOOLEAN PagingFileCreate = FALSE;
BOOLEAN PagingFileCreate = FALSE;
LARGE_INTEGER AllocationSize;
/* Unpack the various parameters. */
Stack = IoGetCurrentIrpStackLocation (Irp);
@ -706,6 +707,22 @@ VfatCreateFile (PDEVICE_OBJECT DeviceObject, PIRP Irp)
VfatCloseFile (DeviceExt, FileObject);
return(STATUS_NOT_A_DIRECTORY);
}
if (RequestedDisposition == FILE_OVERWRITE ||
RequestedDisposition == FILE_OVERWRITE_IF)
{
AllocationSize.QuadPart = 0;
Status = VfatSetAllocationSizeInformation (FileObject,
pFcb,
DeviceExt,
&AllocationSize);
if (!NT_SUCCESS (Status))
{
VfatCloseFile (DeviceExt, FileObject);
return(Status);
}
}
/* Supersede the file */
if (RequestedDisposition == FILE_SUPERSEDE)