reactos/lib/rossym_new/zwfile.c
Amine Khaldi 527f2f9057 [SHELL/EXPERIMENTS]
* Create a branch for some evul shell experiments.

svn path=/branches/shell-experiments/; revision=61927
2014-02-02 19:37:27 +00:00

48 lines
1.3 KiB
C

/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* FILE: lib/rossym/zwfile.c
* PURPOSE: File I/O using native functions
*
* PROGRAMMERS: Ge van Geldorp (gvg@reactos.com)
*/
#include <precomp.h>
NTSTATUS RosSymStatus;
BOOLEAN
RosSymZwReadFile(PVOID FileContext, PVOID Buffer, ULONG Size)
{
//NTSTATUS Status;
IO_STATUS_BLOCK IoStatusBlock;
RosSymStatus = ZwReadFile(*((HANDLE *) FileContext),
0, 0, 0,
&IoStatusBlock,
Buffer,
Size,
0, 0);
return NT_SUCCESS(RosSymStatus) && IoStatusBlock.Information == Size;
}
BOOLEAN
RosSymZwSeekFile(PVOID FileContext, ULONG_PTR Position)
{
//NTSTATUS Status;
IO_STATUS_BLOCK IoStatusBlock;
FILE_POSITION_INFORMATION NewPosition;
NewPosition.CurrentByteOffset.u.HighPart = 0;
NewPosition.CurrentByteOffset.u.LowPart = Position;
RosSymStatus = ZwSetInformationFile(*((HANDLE *) FileContext),
&IoStatusBlock,
(PVOID) &NewPosition,
sizeof(FILE_POSITION_INFORMATION),
FilePositionInformation);
return NT_SUCCESS(RosSymStatus);
}
/* EOF */