/*
- * KSUSER.DLL - ReactOS
- *
- * Copyright 2008 Magnus Olsen and Dmitry Chapyshev
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ * COPYRIGHT: See COPYING in the top level directory
+ * PROJECT: ReactOS Kernel Streaming
+ * FILE: dll/directx/ksuser/ksuser.c
+ * PURPOSE: KS USER functions
+ * PROGRAMMER: Magnus Olsen and Dmitry Chapyshev and Johannes Anderwald
*/
-
#include "ksuser.h"
#define NDEBUG
#include <debug.h>
-NTSTATUS NTAPI KsiCreateObjectType( HANDLE hHandle, PVOID guidstr, PVOID Buffer, ULONG BufferSize, ACCESS_MASK DesiredAccess, PHANDLE phHandle);
-
NTSTATUS
NTAPI
KsiCreateObjectType( HANDLE hHandle,
- PVOID IID,
+ LPWSTR ObjectType,
PVOID Buffer,
ULONG BufferSize,
ACCESS_MASK DesiredAccess,
OBJECT_ATTRIBUTES ObjectAttributes;
IO_STATUS_BLOCK IoStatusBlock;
- Length = wcslen(IID);
+ /* get length of object type */
+ Length = wcslen(ObjectType);
+
+ /* get length for request */
+ TotalSize = (Length * sizeof(WCHAR)) + BufferSize;
- TotalSize = (Length * sizeof(WCHAR)) + BufferSize + 4 * sizeof(WCHAR);
+ /* append space for '\\'*/
+ TotalSize += sizeof(WCHAR);
+ /* allocate buffer */
pStr = HeapAlloc(GetProcessHeap(), 0, TotalSize);
if (!pStr)
- return STATUS_INSUFFICIENT_RESOURCES;
- pStr[0] = L'\\';
- wcscpy(&pStr[1], (LPWSTR)IID);
- pStr[Length+1] = L'\\';
- memcpy(&pStr[Length+2], Buffer, BufferSize);
- pStr[Length+3+(BufferSize/sizeof(WCHAR))] = L'\0';
+ {
+ /* out of memory */
+ return ERROR_NOT_ENOUGH_MEMORY;
+ }
+
+ /* copy object type */
+ wcscpy(pStr, ObjectType);
- RtlInitUnicodeString(&ObjectName, pStr);
+ /* append slash */
+ pStr[Length] = L'\\';
+
+ /* append parameters */
+ memcpy(&pStr[Length+1], Buffer, BufferSize);
+
+ /* initialize object name */
+ ObjectName.Buffer = pStr;
ObjectName.Length = ObjectName.MaximumLength = TotalSize;
+ /* initialize object attributes */
InitializeObjectAttributes(&ObjectAttributes, &ObjectName, OBJ_CASE_INSENSITIVE, hHandle, NULL);
+ /* create the object */
Status = NtCreateFile(phHandle, DesiredAccess, &ObjectAttributes, &IoStatusBlock, NULL, FILE_ATTRIBUTE_NORMAL, 0, 1, 0, NULL, 0);
+
+ /* free buffer */
HeapFree(GetProcessHeap(), 0, pStr);
+
+ /* check for success */
if (!NT_SUCCESS(Status))
{
+ /* failed zero handle */
*phHandle = INVALID_HANDLE_VALUE;
+
+ /* convert error code */
Status = RtlNtStatusToDosError(Status);
}
+
+ /* done */
return Status;
}