| 1 | /* $Id: libWin32kSetOptions.c,v 1.4 2001-02-21 07:47:59 bird Exp $
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| 2 | *
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| 3 | * libWin32kSetOptions - Sets the changable options of win32k.sys the options.
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| 4 | *
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| 5 | * Copyright (c) 2000-2001 knut st. osmundsen (knut.stange.osmundsen@mynd.no)
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| 6 | *
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| 7 | * Project Odin Software License can be found in LICENSE.TXT
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| 8 | *
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| 9 | */
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| 10 |
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| 11 |
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| 12 | /*******************************************************************************
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| 13 | * Header Files *
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| 14 | *******************************************************************************/
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| 15 | #define INCL_DOSERRORS
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| 16 | #define INCL_DOSFILEMGR
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| 17 | #define INCL_DOSDEVICES
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| 18 |
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| 19 |
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| 20 | /*******************************************************************************
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| 21 | * Internal Functions *
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| 22 | *******************************************************************************/
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| 23 | #include <os2.h>
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| 24 | #include "win32k.h"
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| 25 | #include "libPrivate.h"
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| 26 |
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| 27 |
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| 28 | /**
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| 29 | * Gets the options settings and/or the status of win32k.sys.
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| 30 | * @returns OS2 returncode.
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| 31 | * @param pOptions Pointer to an options struct. (NULL is allowed)
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| 32 | * (cb have to be set to the size of the structure.)
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| 33 | * @param pStatus Pointer to a status struct. (NULL is allowed)
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| 34 | * (cb have to be set to the size of the structure.)
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| 35 | * @status completely implelemented.
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| 36 | * @author knut st. osmundsen (knut.stange.osmundsen@mynd.no)
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| 37 | * @remark
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| 38 | */
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| 39 | APIRET APIENTRY libWin32kSetOptions(PK32OPTIONS pOptions)
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| 40 | {
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| 41 | APIRET rc;
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| 42 |
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| 43 | /*
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| 44 | * Simple validation.
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| 45 | */
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| 46 | if (pOptions == NULL || pOptions->cb != sizeof(K32OPTIONS))
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| 47 | rc = ERROR_INVALID_PARAMETER;
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| 48 |
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| 49 | /*
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| 50 | * Check that we're initiated.
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| 51 | */
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| 52 | else if (fInited)
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| 53 | {
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| 54 | /*
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| 55 | * Build parameters and call win32k.
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| 56 | */
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| 57 | K32SETOPTIONS Param;
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| 58 | ULONG cbParam = sizeof(Param);
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| 59 | ULONG cbData = 0UL;
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| 60 |
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| 61 | Param.hdr.cb = sizeof(Param);
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| 62 | Param.hdr.rc = ERROR_NOT_SUPPORTED;
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| 63 | Param.pOptions = pOptions;
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| 64 |
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| 65 | if (usCGSelector)
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| 66 | return libCallThruCallGate(K32_SETOPTIONS, &Param);
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| 67 | rc = DosDevIOCtl(hWin32k,
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| 68 | IOCTL_W32K_K32,
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| 69 | K32_SETOPTIONS,
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| 70 | &Param, sizeof(Param), &cbParam,
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| 71 | "", 1, &cbData);
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| 72 |
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| 73 | if (rc == NO_ERROR)
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| 74 | rc = Param.hdr.rc;
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| 75 | }
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| 76 | else
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| 77 | rc = ERROR_INIT_ROUTINE_FAILED;
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| 78 |
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| 79 | return rc;
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| 80 | }
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| 81 |
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