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kernel32: Moved the DeviceIoControl function to file.c.

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This commit is contained in:
Alexandre Julliard 2009-10-08 19:38:38 +02:00
parent 69a1fba4c3
commit 42c5215133
3 changed files with 82 additions and 85 deletions
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77
dlls/kernel32/file.c
View file

@ -2309,6 +2309,83 @@ DWORD WINAPI GetCompressedFileSizeA( LPCSTR name, LPDWORD size_high )
}
/***********************************************************************
* OpenVxDHandle (KERNEL32.@)
*
* This function is supposed to return the corresponding Ring 0
* ("kernel") handle for a Ring 3 handle in Win9x.
* Evidently, Wine will have problems with this. But we try anyway,
* maybe it helps...
*/
HANDLE WINAPI OpenVxDHandle(HANDLE hHandleRing3)
{
FIXME( "(%p), stub! (returning Ring 3 handle instead of Ring 0)\n", hHandleRing3);
return hHandleRing3;
}
/****************************************************************************
* DeviceIoControl (KERNEL32.@)
*/
BOOL WINAPI DeviceIoControl(HANDLE hDevice, DWORD dwIoControlCode,
LPVOID lpvInBuffer, DWORD cbInBuffer,
LPVOID lpvOutBuffer, DWORD cbOutBuffer,
LPDWORD lpcbBytesReturned,
LPOVERLAPPED lpOverlapped)
{
NTSTATUS status;
TRACE( "(%p,%x,%p,%d,%p,%d,%p,%p)\n",
hDevice,dwIoControlCode,lpvInBuffer,cbInBuffer,
lpvOutBuffer,cbOutBuffer,lpcbBytesReturned,lpOverlapped );
/* Check if this is a user defined control code for a VxD */
if (HIWORD( dwIoControlCode ) == 0 && (GetVersion() & 0x80000000))
{
DeviceIoProc proc = VXD_get_proc( hDevice );
if (proc) return proc( dwIoControlCode, lpvInBuffer, cbInBuffer,
lpvOutBuffer, cbOutBuffer, lpcbBytesReturned, lpOverlapped );
}
/* Not a VxD, let ntdll handle it */
if (lpOverlapped)
{
LPVOID cvalue = ((ULONG_PTR)lpOverlapped->hEvent & 1) ? NULL : lpOverlapped;
lpOverlapped->Internal = STATUS_PENDING;
lpOverlapped->InternalHigh = 0;
if (HIWORD(dwIoControlCode) == FILE_DEVICE_FILE_SYSTEM)
status = NtFsControlFile(hDevice, lpOverlapped->hEvent,
NULL, cvalue, (PIO_STATUS_BLOCK)lpOverlapped,
dwIoControlCode, lpvInBuffer, cbInBuffer,
lpvOutBuffer, cbOutBuffer);
else
status = NtDeviceIoControlFile(hDevice, lpOverlapped->hEvent,
NULL, cvalue, (PIO_STATUS_BLOCK)lpOverlapped,
dwIoControlCode, lpvInBuffer, cbInBuffer,
lpvOutBuffer, cbOutBuffer);
if (lpcbBytesReturned) *lpcbBytesReturned = lpOverlapped->InternalHigh;
}
else
{
IO_STATUS_BLOCK iosb;
if (HIWORD(dwIoControlCode) == FILE_DEVICE_FILE_SYSTEM)
status = NtFsControlFile(hDevice, NULL, NULL, NULL, &iosb,
dwIoControlCode, lpvInBuffer, cbInBuffer,
lpvOutBuffer, cbOutBuffer);
else
status = NtDeviceIoControlFile(hDevice, NULL, NULL, NULL, &iosb,
dwIoControlCode, lpvInBuffer, cbInBuffer,
lpvOutBuffer, cbOutBuffer);
if (lpcbBytesReturned) *lpcbBytesReturned = iosb.Information;
}
if (status) SetLastError( RtlNtStatusToDosError(status) );
return !status;
}
/***********************************************************************
* OpenFile (KERNEL32.@)
*/

3
dlls/kernel32/kernel_private.h
View file

@ -93,6 +93,9 @@ extern DWORD MODULE_GetBinaryType( HANDLE hfile, void **res_start, void **res_en
extern BOOL NLS_IsUnicodeOnlyLcid(LCID);
/* vxd.c */
typedef BOOL (WINAPI *DeviceIoProc)(DWORD, LPVOID, DWORD, LPVOID, DWORD, LPDWORD, LPOVERLAPPED);
extern DeviceIoProc VXD_get_proc( HANDLE handle );
extern HANDLE VXD_Open( LPCWSTR filename, DWORD access, LPSECURITY_ATTRIBUTES sa );
/* environ.c */

87
dlls/kernel32/vxd.c
View file

@ -39,6 +39,7 @@
#include "winerror.h"
#include "winternl.h"
#include "winioctl.h"
#include "kernel_private.h"
#include "kernel16_private.h"
#include "wine/library.h"
#include "wine/unicode.h"
@ -47,7 +48,6 @@
WINE_DEFAULT_DEBUG_CHANNEL(vxd);
typedef BOOL (WINAPI *DeviceIoProc)(DWORD, LPVOID, DWORD, LPVOID, DWORD, LPDWORD, LPOVERLAPPED);
typedef DWORD (WINAPI *VxDCallProc)(DWORD, CONTEXT86 *);
struct vxd_module
@ -134,7 +134,7 @@ static HANDLE open_vxd_handle( LPCWSTR name )
}
/* retrieve the DeviceIoControl function for a Vxd given a file handle */
static DeviceIoProc get_vxd_proc( HANDLE handle )
DeviceIoProc VXD_get_proc( HANDLE handle )
{
DeviceIoProc ret = NULL;
int status, i;
@ -299,86 +299,3 @@ void WINAPI __regs_VxDCall( DWORD service, CONTEXT86 *context )
#ifdef DEFINE_REGS_ENTRYPOINT
DEFINE_REGS_ENTRYPOINT( VxDCall, 1 )
#endif
/***********************************************************************
* OpenVxDHandle (KERNEL32.@)
*
* This function is supposed to return the corresponding Ring 0
* ("kernel") handle for a Ring 3 handle in Win9x.
* Evidently, Wine will have problems with this. But we try anyway,
* maybe it helps...
*/
HANDLE WINAPI OpenVxDHandle(HANDLE hHandleRing3)
{
FIXME( "(%p), stub! (returning Ring 3 handle instead of Ring 0)\n", hHandleRing3);
return hHandleRing3;
}
/****************************************************************************
* DeviceIoControl (KERNEL32.@)
* This is one of those big ugly nasty procedure which can do
* a million and one things when it comes to devices. It can also be
* used for VxD communication.
*
* A return value of FALSE indicates that something has gone wrong which
* GetLastError can decipher.
*/
BOOL WINAPI DeviceIoControl(HANDLE hDevice, DWORD dwIoControlCode,
LPVOID lpvInBuffer, DWORD cbInBuffer,
LPVOID lpvOutBuffer, DWORD cbOutBuffer,
LPDWORD lpcbBytesReturned,
LPOVERLAPPED lpOverlapped)
{
NTSTATUS status;
TRACE( "(%p,%x,%p,%d,%p,%d,%p,%p)\n",
hDevice,dwIoControlCode,lpvInBuffer,cbInBuffer,
lpvOutBuffer,cbOutBuffer,lpcbBytesReturned,lpOverlapped );
/* Check if this is a user defined control code for a VxD */
if (HIWORD( dwIoControlCode ) == 0 && (GetVersion() & 0x80000000))
{
DeviceIoProc proc = get_vxd_proc( hDevice );
if (proc) return proc( dwIoControlCode, lpvInBuffer, cbInBuffer,
lpvOutBuffer, cbOutBuffer, lpcbBytesReturned, lpOverlapped );
}
/* Not a VxD, let ntdll handle it */
if (lpOverlapped)
{
LPVOID cvalue = ((ULONG_PTR)lpOverlapped->hEvent & 1) ? NULL : lpOverlapped;
lpOverlapped->Internal = STATUS_PENDING;
lpOverlapped->InternalHigh = 0;
if (HIWORD(dwIoControlCode) == FILE_DEVICE_FILE_SYSTEM)
status = NtFsControlFile(hDevice, lpOverlapped->hEvent,
NULL, cvalue, (PIO_STATUS_BLOCK)lpOverlapped,
dwIoControlCode, lpvInBuffer, cbInBuffer,
lpvOutBuffer, cbOutBuffer);
else
status = NtDeviceIoControlFile(hDevice, lpOverlapped->hEvent,
NULL, cvalue, (PIO_STATUS_BLOCK)lpOverlapped,
dwIoControlCode, lpvInBuffer, cbInBuffer,
lpvOutBuffer, cbOutBuffer);
if (lpcbBytesReturned) *lpcbBytesReturned = lpOverlapped->InternalHigh;
}
else
{
IO_STATUS_BLOCK iosb;
if (HIWORD(dwIoControlCode) == FILE_DEVICE_FILE_SYSTEM)
status = NtFsControlFile(hDevice, NULL, NULL, NULL, &iosb,
dwIoControlCode, lpvInBuffer, cbInBuffer,
lpvOutBuffer, cbOutBuffer);
else
status = NtDeviceIoControlFile(hDevice, NULL, NULL, NULL, &iosb,
dwIoControlCode, lpvInBuffer, cbInBuffer,
lpvOutBuffer, cbOutBuffer);
if (lpcbBytesReturned) *lpcbBytesReturned = iosb.Information;
}
if (status) SetLastError( RtlNtStatusToDosError(status) );
return !status;
}