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Support special FILE_WRITE_TO_END_OF_FILE byte offset to append data to a file.

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svn path=/trunk/; revision=11102
This commit is contained in:
Eric Kohl 2004-09-28 10:52:55 +00:00
parent d394870def
commit f15ffecda4
1 changed files with 6 additions and 1 deletions
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7
reactos/drivers/fs/vfat/rw.c
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@ -1,5 +1,5 @@
/* $Id: rw.c,v 1.69 2004/08/31 20:02:24 hbirr Exp $ /* $Id: rw.c,v 1.70 2004/09/28 10:52:55 ekohl Exp $
* *
* COPYRIGHT: See COPYING in the top level directory * COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel * PROJECT: ReactOS kernel
@ -828,6 +828,11 @@ NTSTATUS VfatWrite (PVFAT_IRP_CONTEXT IrpContext)
} }
ByteOffset = IrpContext->Stack->Parameters.Write.ByteOffset; ByteOffset = IrpContext->Stack->Parameters.Write.ByteOffset;
if (ByteOffset.u.LowPart == FILE_WRITE_TO_END_OF_FILE &&
ByteOffset.u.HighPart == 0xffffffff)
{
ByteOffset.QuadPart = Fcb->RFCB.FileSize.QuadPart;
}
Length = IrpContext->Stack->Parameters.Write.Length; Length = IrpContext->Stack->Parameters.Write.Length;
BytesPerSector = IrpContext->DeviceExt->FatInfo.BytesPerSector; BytesPerSector = IrpContext->DeviceExt->FatInfo.BytesPerSector;