Leaked source code of windows server 2003
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

85 lines
1.5 KiB

/*++
Copyright (c) 1999-2000 Microsoft Corporation
Module Name:
drfile
Abstract:
This module provides generic device/file handle operation
Author:
Joy Chik 11/1/99
Revision History:
--*/
#include <precom.h>
#define TRC_FILE "DrFile"
#include "drfile.h"
#include "drdev.h"
#ifdef OS_WINCE
#include "filemgr.h"
#endif
///////////////////////////////////////////////////////////////
//
// DrFile Members
//
DrFile::DrFile(DrDevice *Device, ULONG FileId, DRFILEHANDLE FileHandle) {
DC_BEGIN_FN("DrFile::DrFile");
ASSERT(Device != NULL);
_FileId = FileId;
_FileHandle = FileHandle;
_Device = Device;
DC_END_FN();
}
DrFile::~DrFile() {
DC_BEGIN_FN("DrFile::~DrFile")
ASSERT(_FileHandle == INVALID_HANDLE_VALUE);
DC_END_FN();
}
ULONG DrFile::GetDeviceType() {
return _Device->GetDeviceType();
}
BOOL DrFile::Close() {
DC_BEGIN_FN("DrFile::Close");
if (_FileHandle != INVALID_HANDLE_VALUE) {
#ifndef OS_WINCE
if (CloseHandle(_FileHandle)) {
#else
if (CECloseHandle(_FileHandle)) {
#endif
_FileHandle = INVALID_HANDLE_VALUE;
return TRUE;
} else {
TRC_ERR((TB, _T("Close returned %ld."), GetLastError()));
_FileHandle = INVALID_HANDLE_VALUE;
return FALSE;
}
} else {
//
// No need to close the handle
//
return TRUE;
}
DC_END_FN();
}