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[WIN32SS:DISPLAY] Fix some return values (use correct types) in display drivers.

Browse source 
See for example, in DrvEnableSurface(), etc.

TODO: framebufacc's comments need to be "translated" into actual English...
This commit is contained in:
Hermès Bélusca-Maïto 2020-01-06 20:35:11 +01:00
parent 5e93daa9ce
commit 52275a92bd
No known key found for this signature in database
GPG key ID: 3B2539C65E7B93D0
17 changed files with 84 additions and 84 deletions
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6
win32ss/drivers/displays/framebuf/ddenable.c
View file

@ -88,7 +88,7 @@ DrvEnableDirectDraw(
break;
}
if (pCallBacks !=NULL)
if (pCallBacks != NULL)
{
memset(pCallBacks,0,sizeof(DD_CALLBACKS));
@ -101,7 +101,7 @@ DrvEnableDirectDraw(
pCallBacks->dwFlags = DDHAL_CB32_CANCREATESURFACE | DDHAL_CB32_CREATESURFACE;
}
if (pSurfaceCallBacks !=NULL)
if (pSurfaceCallBacks != NULL)
{
memset(pSurfaceCallBacks,0,sizeof(DD_SURFACECALLBACKS));
@ -114,7 +114,7 @@ DrvEnableDirectDraw(
// pSurfaceCallBacks->dwFlags = DDHAL_SURFCB32_DESTROYSURFACE | DDHAL_SURFCB32_LOCK | DDHAL_SURFCB32_BLT ;
}
if (pPaletteCallBacks !=NULL)
if (pPaletteCallBacks != NULL)
{
memset(pPaletteCallBacks,0,sizeof(DD_PALETTECALLBACKS));
/* FILL pPaletteCallBacks with hal stuff */

2
win32ss/drivers/displays/framebuf/screen.c
View file

@ -79,7 +79,7 @@ GetAvailableModes(
&ulTemp))
{
EngFreeMem(*ModeInfo);
*ModeInfo = (PVIDEO_MODE_INFORMATION)NULL;
*ModeInfo = NULL;
return 0;
}

10
win32ss/drivers/displays/framebuf/surface.c
View file

@ -50,7 +50,7 @@ DrvEnableSurface(
&(ppdev->ModeIndex), sizeof(ULONG), NULL, 0,
&ulTemp))
{
return FALSE;
return NULL;
}
/*
@ -63,7 +63,7 @@ DrvEnableSurface(
&VideoMemoryInfo, sizeof(VIDEO_MEMORY_INFORMATION),
&ulTemp))
{
return FALSE;
return NULL;
}
ppdev->ScreenPtr = VideoMemoryInfo.FrameBufferBase;
@ -88,7 +88,7 @@ DrvEnableSurface(
break;
default:
return FALSE;
return NULL;
}
ppdev->iDitherFormat = BitmapType;
@ -101,7 +101,7 @@ DrvEnableSurface(
ppdev->ScreenPtr);
if (hSurface == NULL)
{
return FALSE;
return NULL;
}
/*
@ -111,7 +111,7 @@ DrvEnableSurface(
if (!EngAssociateSurface(hSurface, ppdev->hDevEng, 0))
{
EngDeleteSurface(hSurface);
return FALSE;
return NULL;
}
ppdev->hSurfEng = hSurface;

32
win32ss/drivers/displays/framebuf_new/enable.c
View file

@ -70,7 +70,7 @@ PDRVENABLEDATA pded)
pded->iDriverVersion = DDI_DRIVER_VERSION_NT4;
// eVb: 1.2 [END]
return(TRUE);
return TRUE;
}
/******************************Public*Routine******************************\
@ -97,7 +97,7 @@ HANDLE hDriver) // Handle to base driver
{
GDIINFO GdiInfo;
DEVINFO DevInfo;
PPDEV ppdev = (PPDEV) NULL;
PPDEV ppdev = NULL;
UNREFERENCED_PARAMETER(pwszLogAddress);
UNREFERENCED_PARAMETER(pwszDeviceName);
@ -106,10 +106,10 @@ HANDLE hDriver) // Handle to base driver
ppdev = (PPDEV) EngAllocMem(0, sizeof(PDEV), ALLOC_TAG);
if (ppdev == (PPDEV) NULL)
if (ppdev == NULL)
{
RIP("DISP DrvEnablePDEV failed EngAllocMem\n");
return((DHPDEV) 0);
return NULL;
}
memset(ppdev, 0, sizeof(PDEV));
@ -151,12 +151,12 @@ HANDLE hDriver) // Handle to base driver
memcpy(pGdiInfo, &GdiInfo, min(cjGdiInfo, sizeof(GDIINFO)));
return((DHPDEV) ppdev);
return (DHPDEV)ppdev;
// Error case for failure.
error_free:
EngFreeMem(ppdev);
return((DHPDEV) 0);
return NULL;
}
/******************************Public*Routine******************************\
@ -213,7 +213,7 @@ DHPDEV dhpdev)
if (!bInitSURF(ppdev, TRUE))
{
RIP("DISP DrvEnableSurface failed bInitSURF\n");
return(FALSE);
return NULL;
}
sizl.cx = ppdev->cxScreen;
@ -223,7 +223,7 @@ DHPDEV dhpdev)
{
if (!bInit256ColorPalette(ppdev)) {
RIP("DISP DrvEnableSurface failed to init the 8bpp palette\n");
return(FALSE);
return NULL;
}
ulBitmapType = BMF_8BPP;
flHooks = HOOKS_BMF8BPP;
@ -251,10 +251,10 @@ DHPDEV dhpdev)
sizl,
ulBitmapType);
if (hsurf == (HSURF) 0)
if (hsurf == NULL)
{
RIP("DISP DrvEnableSurface failed EngCreateDeviceSurface\n");
return(FALSE);
return NULL;
}
// eVb: 1.4 [END]
@ -269,12 +269,12 @@ DHPDEV dhpdev)
NULL))
{
RIP("DISP DrvEnableSurface failed EngModifySurface\n");
return(FALSE);
return NULL;
}
// eVb: 1.5 [END]
ppdev->hsurfEng = hsurf;
return(hsurf);
return hsurf;
}
/******************************Public*Routine******************************\
@ -289,7 +289,7 @@ DHPDEV dhpdev)
{
EngDeleteSurface(((PPDEV) dhpdev)->hsurfEng);
vDisableSURF((PPDEV) dhpdev);
((PPDEV) dhpdev)->hsurfEng = (HSURF) 0;
((PPDEV) dhpdev)->hsurfEng = NULL;
}
/******************************Public*Routine******************************\
@ -318,7 +318,7 @@ BOOL bEnable)
if (!bInitSURF(ppdev, FALSE))
{
DISPDBG((0, "DISP DrvAssertMode failed bInitSURF\n"));
return (FALSE);
return FALSE;
}
if (pjScreen != ppdev->pjScreen) {
@ -333,11 +333,11 @@ BOOL bEnable)
NULL))
{
DISPDBG((0, "DISP DrvAssertMode failed EngModifySurface\n"));
return (FALSE);
return FALSE;
}
}
// eVb: 1.6 [END]
return (TRUE);
return TRUE;
}
else
{

10
win32ss/drivers/displays/framebuf_new/palette.c
View file

@ -69,10 +69,10 @@ VOID NTAPI vDisablePalette(PPDEV ppdev)
if (ppdev->hpalDefault)
{
EngDeletePalette(ppdev->hpalDefault);
ppdev->hpalDefault = (HPALETTE) 0;
ppdev->hpalDefault = NULL;
}
if (ppdev->pPal != (PPALETTEENTRY)NULL)
if (ppdev->pPal != NULL)
EngFreeMem((PVOID)ppdev->pPal);
}
@ -151,7 +151,7 @@ BOOL NTAPI bInitDefaultPalette(PPDEV ppdev, DEVINFO *pDevInfo)
(PULONG) ppdev->pPal,
0,0,0);
if (ppdev->hpalDefault == (HPALETTE) 0)
if (ppdev->hpalDefault == NULL)
{
RIP("DISP bInitDefaultPalette failed EngCreatePalette\n");
EngFreeMem(ppdev->pPal);
@ -168,12 +168,12 @@ BOOL NTAPI bInitDefaultPalette(PPDEV ppdev, DEVINFO *pDevInfo)
ppdev->hpalDefault =
pDevInfo->hpalDefault = EngCreatePalette(PAL_BITFIELDS,
0,(PULONG) NULL,
0, NULL,
ppdev->flRed,
ppdev->flGreen,
ppdev->flBlue);
if (ppdev->hpalDefault == (HPALETTE) 0)
if (ppdev->hpalDefault == NULL)
{
RIP("DISP bInitDefaultPalette failed EngCreatePalette\n");
return(FALSE);

8
win32ss/drivers/displays/framebuf_new/pointer.c
View file

@ -130,7 +130,7 @@ ULONG NTAPI DrvSetPointerShape
// to exclude out pointer before drawing to the pixels in prcl.
UNREFERENCED_PARAMETER(prcl);
if (ppdev->pPointerAttributes == (PVIDEO_POINTER_ATTRIBUTES) NULL)
if (ppdev->pPointerAttributes == NULL)
{
// Mini-port has no hardware Pointer support.
return(SPS_ERROR);
@ -138,7 +138,7 @@ ULONG NTAPI DrvSetPointerShape
// See if we are being asked to hide the pointer
if (psoMask == (SURFOBJ *) NULL)
if (psoMask == NULL)
{
if (EngDeviceIoControl(ppdev->hDriver,
IOCTL_VIDEO_DISABLE_POINTER,
@ -215,7 +215,7 @@ FLONG fl)
PVIDEO_POINTER_ATTRIBUTES pPointerAttributes = ppdev->pPointerAttributes;
DWORD returnedDataLength;
if (psoColor != (SURFOBJ *) NULL)
if (psoColor != NULL)
{
if ((ppdev->PointerCapabilities.Flags & VIDEO_MODE_COLOR_POINTER) &&
bCopyColorPointer(ppdev, psoMask, psoColor, pxlo))
@ -401,7 +401,7 @@ BOOL NTAPI bInitPointer(PPDEV ppdev, DEVINFO *pdevinfo)
{
DWORD returnedDataLength;
ppdev->pPointerAttributes = (PVIDEO_POINTER_ATTRIBUTES) NULL;
ppdev->pPointerAttributes = NULL;
ppdev->cjPointerAttributes = 0; // initialized in screen.c
//

8
win32ss/drivers/displays/framebuf_new/screen.c
View file

@ -526,7 +526,7 @@ DWORD *cbModeSize)
&ulTemp))
{
DISPDBG((0, "getAvailableModes failed VIDEO_QUERY_NUM_AVAIL_MODES\n"));
return(0);
return 0;
}
*cbModeSize = modes.ModeInformationLength;
@ -539,7 +539,7 @@ DWORD *cbModeSize)
EngAllocMem(0, modes.NumModes *
modes.ModeInformationLength, ALLOC_TAG);
if (*modeInformation == (PVIDEO_MODE_INFORMATION) NULL)
if (*modeInformation == NULL)
{
DISPDBG((0, "getAvailableModes failed EngAllocMem\n"));
@ -562,9 +562,9 @@ DWORD *cbModeSize)
DISPDBG((0, "getAvailableModes failed VIDEO_QUERY_AVAIL_MODES\n"));
EngFreeMem(*modeInformation);
*modeInformation = (PVIDEO_MODE_INFORMATION) NULL;
*modeInformation = NULL;
return(0);
return 0;
}
//

6
win32ss/drivers/displays/framebufacc/ddenable.c
View file

@ -88,7 +88,7 @@ DrvEnableDirectDraw(
break;
}
if (pCallBacks !=NULL)
if (pCallBacks != NULL)
{
memset(pCallBacks,0,sizeof(DD_CALLBACKS));
@ -101,7 +101,7 @@ DrvEnableDirectDraw(
pCallBacks->dwFlags = DDHAL_CB32_CANCREATESURFACE | DDHAL_CB32_CREATESURFACE;
}
if (pSurfaceCallBacks !=NULL)
if (pSurfaceCallBacks != NULL)
{
memset(pSurfaceCallBacks,0,sizeof(DD_SURFACECALLBACKS));
@ -114,7 +114,7 @@ DrvEnableDirectDraw(
// pSurfaceCallBacks->dwFlags = DDHAL_SURFCB32_DESTROYSURFACE | DDHAL_SURFCB32_LOCK | DDHAL_SURFCB32_BLT ;
}
if (pPaletteCallBacks !=NULL)
if (pPaletteCallBacks != NULL)
{
memset(pPaletteCallBacks,0,sizeof(DD_PALETTECALLBACKS));
/* FILL pPaletteCallBacks with hal stuff */

4
win32ss/drivers/displays/framebufacc/pointer.c
View file

@ -102,7 +102,7 @@ DrvSetPointerShape(
}
/* check see if the apps ask to hide the mouse or not */
if (psoMask == (SURFOBJ *) NULL)
if (psoMask == NULL)
{
if (EngDeviceIoControl(ppdev->hDriver, IOCTL_VIDEO_DISABLE_POINTER, NULL, 0, NULL, 0, &returnedDataLength))
{
@ -119,7 +119,7 @@ DrvSetPointerShape(
/* Set the hw mouse shape */
if (psoColor != (SURFOBJ *) NULL)
if (psoColor != NULL)
{
/* We got a color mouse pointer */
if ((ppdev->PointerCapabilities.Flags & VIDEO_MODE_COLOR_POINTER) &&

2
win32ss/drivers/displays/framebufacc/screen.c
View file

@ -70,7 +70,7 @@ GetAvailableModes(
&ulTemp))
{
EngFreeMem(*ModeInfo);
*ModeInfo = (PVIDEO_MODE_INFORMATION)NULL;
*ModeInfo = NULL;
return 0;
}

8
win32ss/drivers/displays/framebufacc/surface.c
View file

@ -152,7 +152,7 @@ DrvEnableSurface(
/* Setup surface and force the mapping */
if (!InitSurface(ppdev, TRUE))
{
return FALSE;
return NULL;
}
/* Rest the desktop vitual position */
@ -180,7 +180,7 @@ DrvEnableSurface(
break;
default:
return FALSE;
return NULL;
}
ppdev->iDitherFormat = BitmapType;
@ -193,7 +193,7 @@ DrvEnableSurface(
ppdev->ScreenPtr);
if (hSurface == NULL)
{
return FALSE;
return NULL;
}
/* Which api we hooking to */
@ -207,7 +207,7 @@ DrvEnableSurface(
if (!EngAssociateSurface(hSurface, ppdev->hDevEng, ppdev->dwHooks))
{
EngDeleteSurface(hSurface);
return FALSE;
return NULL;
}
ppdev->hSurfEng = hSurface;

8
win32ss/drivers/displays/vga/main/enable.c
View file

@ -375,7 +375,7 @@ DrvDisableSurface(IN DHPDEV PDev)
/* free any pending saved screen bit blocks */
#if 0
pSSB = pdsurf->ssbList;
while (pSSB != (PSAVED_SCREEN_BITS) NULL)
while (pSSB != NULL)
{
/* Point to the next saved screen bits block */
pSSBNext = (PSAVED_SCREEN_BITS) pSSB->pvNextSSB;
@ -450,7 +450,7 @@ DrvEnableSurface(IN DHPDEV PDev)
/* dhsurf is of type DEVSURF, which is the drivers specialized surface type */
dhsurf = (DHSURF)EngAllocMem(0, sizeof(DEVSURF), ALLOC_TAG);
if (dhsurf == (DHSURF) 0)
if (dhsurf == NULL)
goto error_done;
pdsurf = (PDEVSURF) dhsurf;
@ -485,7 +485,7 @@ DrvEnableSurface(IN DHPDEV PDev)
} BANKING CODE UNIMPLEMENTED */
if ((hsurf = EngCreateDeviceSurface(dhsurf, ppdev->sizeSurf, BMF_4BPP)) ==
(HSURF)0)
NULL)
{
/* Call to EngCreateDeviceSurface failed */
DPRINT("EngCreateDeviceSurface call failed\n");
@ -513,7 +513,7 @@ error_clean:
EngFreeMem(dhsurf);
error_done:
return (HSURF)0;
return NULL;
}

6
win32ss/drivers/displays/vga/objects/paint.c
View file

@ -245,8 +245,8 @@ doBitBlt:
// If VGADDIPaint can't do it, VGADDIBitBlt can.. or it might just loop back
// here and we have a nice infinite loop
return( VGADDIBitBlt(Surface, (SURFOBJ *)NULL, (SURFOBJ *)NULL, ClipRegion,
(XLATEOBJ *)NULL, &ClipRegion->rclBounds,
NULL, (POINTL *)NULL, Brush, BrushOrigin,
return( VGADDIBitBlt(Surface, NULL, NULL, ClipRegion,
NULL, &ClipRegion->rclBounds,
NULL, NULL, Brush, BrushOrigin,
NULL) ); UNIMPLEMENTED */
}

4
win32ss/drivers/displays/vga/objects/screen.c
View file

@ -64,7 +64,7 @@ DWORD getAvailableModes(
EngAllocMem(0, modes.NumModes *
modes.ModeInformationLength, ALLOC_TAG);
if (*modeInformation == (PVIDEO_MODE_INFORMATION) NULL)
if (*modeInformation == NULL)
{
/* couldn't allocate buffer */
return 0;
@ -81,7 +81,7 @@ DWORD getAvailableModes(
{
/* failed to query modes */
EngFreeMem(*modeInformation);
*modeInformation = (PVIDEO_MODE_INFORMATION) NULL;
*modeInformation = NULL;
return 0;
}

36
win32ss/drivers/displays/vga_new/enable.c
View file

@ -76,7 +76,7 @@ PDRVENABLEDATA pded)
pded->iDriverVersion = DDI_DRIVER_VERSION_NT4;
// eVb: 1.2 [END]
return(TRUE);
return TRUE;
}
/******************************Public*Routine******************************\
@ -103,7 +103,7 @@ HANDLE hDriver) // Handle to base driver
{
GDIINFO GdiInfo;
DEVINFO DevInfo;
PPDEV ppdev = (PPDEV) NULL;
PPDEV ppdev = NULL;
UNREFERENCED_PARAMETER(pwszLogAddress);
UNREFERENCED_PARAMETER(pwszDeviceName);
@ -112,10 +112,10 @@ HANDLE hDriver) // Handle to base driver
ppdev = (PPDEV) EngAllocMem(0, sizeof(PDEV), ALLOC_TAG);
if (ppdev == (PPDEV) NULL)
if (ppdev == NULL)
{
RIP("DISP DrvEnablePDEV failed EngAllocMem\n");
return((DHPDEV) 0);
return NULL;
}
memset(ppdev, 0, sizeof(PDEV));
@ -161,12 +161,12 @@ HANDLE hDriver) // Handle to base driver
memcpy(pGdiInfo, &GdiInfo, min(cjGdiInfo, sizeof(GDIINFO)));
return((DHPDEV) ppdev);
return (DHPDEV)ppdev;
// Error case for failure.
error_free:
EngFreeMem(ppdev);
return((DHPDEV) 0);
return NULL;
}
/******************************Public*Routine******************************\
@ -226,7 +226,7 @@ DHPDEV dhpdev)
if (!bInitSURF(ppdev, TRUE))
{
RIP("DISP DrvEnableSurface failed bInitSURF\n");
return(FALSE);
return NULL;
}
sizl.cx = ppdev->cxScreen;
@ -238,7 +238,7 @@ DHPDEV dhpdev)
{
if (!bInit256ColorPalette(ppdev)) {
RIP("DISP DrvEnableSurface failed to init the 8bpp palette\n");
return(FALSE);
return NULL;
}
ulBitmapType = BMF_8BPP;
flHooks = HOOKS_BMF8BPP;
@ -266,14 +266,14 @@ DHPDEV dhpdev)
#endif
// eVb: 1.3 [END]
// eVb: 1.4 [DDK Change] - Use EngCreateDeviceSurface instead of EngCreateBitmap
hsurf = (HSURF)EngCreateDeviceSurface((DHSURF)ppdev,
hsurf = (HSURF)EngCreateDeviceSurface((DHSURF)ppdev,
sizl,
ulBitmapType);
if (hsurf == (HSURF) 0)
if (hsurf == NULL)
{
RIP("DISP DrvEnableSurface failed EngCreateDeviceSurface\n");
return(FALSE);
return NULL;
}
// eVb: 1.4 [END]
@ -288,16 +288,16 @@ DHPDEV dhpdev)
NULL))
{
RIP("DISP DrvEnableSurface failed EngModifySurface\n");
return(FALSE);
return NULL;
}
// eVb: 1.5 [END]
ppdev->hsurfEng = hsurf;
// eVb: 1.4 [VGARISC Change] - Allocate 4BPP DIB that will store GDI drawing
hSurfBitmap = (HSURF)EngCreateBitmap(sizl, 0, ulBitmapType, 0, NULL);
if (hSurfBitmap == (HSURF) 0)
if (hSurfBitmap == NULL)
{
RIP("DISP DrvEnableSurface failed EngCreateBitmap\n");
return(FALSE);
return NULL;
}
if ( !EngModifySurface(hSurfBitmap,
@ -310,17 +310,17 @@ DHPDEV dhpdev)
NULL))
{
RIP("DISP DrvEnableSurface failed second EngModifySurface\n");
return(FALSE);
return NULL;
}
ppdev->pso = EngLockSurface(hSurfBitmap);
if (ppdev->pso == NULL)
{
RIP("DISP DrvEnableSurface failed EngLockSurface\n");
return(FALSE);
return NULL;
}
// eVb: 1.4 [END]
return(hsurf);
return hsurf;
}
/******************************Public*Routine******************************\
@ -335,7 +335,7 @@ DHPDEV dhpdev)
{
EngDeleteSurface(((PPDEV) dhpdev)->hsurfEng);
vDisableSURF((PPDEV) dhpdev);
((PPDEV) dhpdev)->hsurfEng = (HSURF) 0;
((PPDEV) dhpdev)->hsurfEng = NULL;
}
/******************************Public*Routine******************************\

10
win32ss/drivers/displays/vga_new/palette.c
View file

@ -86,12 +86,12 @@ VOID vDisablePalette(PPDEV ppdev)
if (ppdev->hpalDefault)
{
EngDeletePalette(ppdev->hpalDefault);
ppdev->hpalDefault = (HPALETTE) 0;
ppdev->hpalDefault = NULL;
}
// eVb: 4.2 [VGARISC Change] - VGA Palette is static, no need to free
#if 0
if (ppdev->pPal != (PPALETTEENTRY)NULL)
if (ppdev->pPal != NULL)
EngFreeMem((PVOID)ppdev->pPal);
#endif
// eVb: 4.2 [END]
@ -178,7 +178,7 @@ BOOL bInitDefaultPalette(PPDEV ppdev, DEVINFO *pDevInfo)
// eVb: 4.4 [END]
0,0,0);
if (ppdev->hpalDefault == (HPALETTE) 0)
if (ppdev->hpalDefault == NULL)
{
RIP("DISP bInitDefaultPalette failed EngCreatePalette\n");
// eVb: 4.5 [VGARISC Change] - VGA Palette is static, no need to free
@ -199,12 +199,12 @@ BOOL bInitDefaultPalette(PPDEV ppdev, DEVINFO *pDevInfo)
ppdev->hpalDefault =
pDevInfo->hpalDefault = EngCreatePalette(PAL_BITFIELDS,
0,(PULONG) NULL,
0, NULL,
ppdev->flRed,
ppdev->flGreen,
ppdev->flBlue);
if (ppdev->hpalDefault == (HPALETTE) 0)
if (ppdev->hpalDefault == NULL)
{
RIP("DISP bInitDefaultPalette failed EngCreatePalette\n");
return(FALSE);

8
win32ss/drivers/displays/vga_new/screen.c
View file

@ -670,7 +670,7 @@ DWORD *cbModeSize)
&ulTemp))
{
DISPDBG((0, "getAvailableModes failed VIDEO_QUERY_NUM_AVAIL_MODES\n"));
return(0);
return 0;
}
*cbModeSize = modes.ModeInformationLength;
@ -683,7 +683,7 @@ DWORD *cbModeSize)
EngAllocMem(0, modes.NumModes *
modes.ModeInformationLength, ALLOC_TAG);
if (*modeInformation == (PVIDEO_MODE_INFORMATION) NULL)
if (*modeInformation == NULL)
{
DISPDBG((0, "getAvailableModes failed EngAllocMem\n"));
@ -706,9 +706,9 @@ DWORD *cbModeSize)
DISPDBG((0, "getAvailableModes failed VIDEO_QUERY_AVAIL_MODES\n"));
EngFreeMem(*modeInformation);
*modeInformation = (PVIDEO_MODE_INFORMATION) NULL;
*modeInformation = NULL;
return(0);
return 0;
}
//