Ros-dev January 2016

ros-dev@reactos.org

6 participants
5 discussions

Re: [ros-dev] [BOOTLIB]: Cleanup, less magic.
by Love Nystrom 30 Jan '16

30 Jan '16

On 2016-01-24 19.00, ros-dev-request(a)reactos.org wrote: > + if (Length != Length) Now that's what we call an unlikely condition :-D The CPU branch predictor will have no problem. Magic indeed.. Hope it's not indicative.. L.

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Re: [ros-dev] [ros-diffs] [ion] 70633: [BOOTLIB]: Cleanup, less magic.
by Timo Kreuzer 23 Jan '16

23 Jan '16

Am 21.01.2016 um 16:47 schrieb ion(a)svn.reactos.org: > Author: ion > Date: Thu Jan 21 15:47:14 2016 > New Revision: 70633 > > URL: http://svn.reactos.org/svn/reactos?rev=70633&view=rev > Log: > [BOOTLIB]: Cleanup, less magic. Looks like you forgot to cleanup this special piece of extra magic. > + if (Length != Length) > + { > + PartialSum += (unsigned __int8)Buffer[Length]; > + if (Flags & BL_UTL_CHECKSUM_COMPLEMENT) > + { > + PartialSum = (unsigned __int16)((PartialSum >> 16) + PartialSum); > + } > + } > +

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Re: [ros-dev] [ros-diffs] [cfinck] 70507: [BOOTVID] Change the Blue Screen Font hardcoded into bootvid.dll to the Open Source "Anonymous Pro" font, which makes a nice 8x13 font. Blue Screens now look like this: http://fs5.d...
by Timo Kreuzer 07 Jan '16

07 Jan '16

For everyone who thinks this looks terrible: don't view it in your browser. Instead download it and open it with a proper image viewer. Then your eyes stop bleeding and it actually looks good :) Timo Am 06.01.2016 um 10:31 schrieb cfinck(a)svn.reactos.org: > Author: cfinck > Date: Wed Jan 6 09:31:53 2016 > New Revision: 70507 > > URL: http://svn.reactos.org/svn/reactos?rev=70507&view=rev > Log: > [BOOTVID] > Change the Blue Screen Font hardcoded into bootvid.dll to the Open Source "Anonymous Pro" font, which makes a nice 8x13 font. > Blue Screens now look like this: http://fs5.directupload.net/images/160106/ehv6245t.png > > [BOOTVID_FONT_GENERATOR] > In case you find an even better font, you now have a nice little tool to test that font and generate the corresponding FontData array for bootvid. > > Added: > trunk/rosapps/applications/devutils/bootvid_font_generator/ > trunk/rosapps/applications/devutils/bootvid_font_generator/CMakeLists.txt (with props) > trunk/rosapps/applications/devutils/bootvid_font_generator/bootvid_font_generator.c (with props) > Modified: > trunk/reactos/drivers/base/bootvid/arm/bootdata.c > trunk/reactos/drivers/base/bootvid/i386/bootdata.c > trunk/rosapps/applications/devutils/CMakeLists.txt > > [This mail would be too long, it was shortened to contain the URLs only.] > > Modified: trunk/reactos/drivers/base/bootvid/arm/bootdata.c > URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/base/bootvid/arm/b… > > Modified: trunk/reactos/drivers/base/bootvid/i386/bootdata.c > URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/base/bootvid/i386/… > > Modified: trunk/rosapps/applications/devutils/CMakeLists.txt > URL: http://svn.reactos.org/svn/reactos/trunk/rosapps/applications/devutils/CMak… > > Added: trunk/rosapps/applications/devutils/bootvid_font_generator/CMakeLists.txt > URL: http://svn.reactos.org/svn/reactos/trunk/rosapps/applications/devutils/boot… > > Added: trunk/rosapps/applications/devutils/bootvid_font_generator/bootvid_font_generator.c > URL: http://svn.reactos.org/svn/reactos/trunk/rosapps/applications/devutils/boot… > > >

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Commit access for creating a branch
by Mohamed MEDIOUNI 03 Jan '16

03 Jan '16

Can I have commit access to !trunk branches for not forking to Git? (for reviving the POSIX subsystem with the Newlib C library and adding pthreads support) Thanks,

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Re: [ros-dev] [ros-diffs] [tkreuzer] 70464: [WIN32K] Properly check the bitmap size in IntSetDIBits, taking into account that it might be set to 0, then we have to calculate it ourselves. Fixes a crash when invalid data is ...
by Thomas Faber 01 Jan '16

01 Jan '16

Timo, this is causing testbot to freak out since it now crashes during an apitest. Could you look into it? Thanks. On 2015-12-29 21:28, tkreuzer(a)svn.reactos.org wrote: > Author: tkreuzer > Date: Tue Dec 29 20:28:23 2015 > New Revision: 70464 > > URL: http://svn.reactos.org/svn/reactos?rev=70464&view=rev > Log: > [WIN32K] > Properly check the bitmap size in IntSetDIBits, taking into account that it might be set to 0, then we have to calculate it ourselves. Fixes a crash when invalid data is passed to NtGdiCreateDIBitmapInternal. > [GDI32] > Convert COREINFOHEADER to BITMAPINFOHEADER before passing it to NtGdiCreateDIBitmapInternal, which doesn't support it. > CORE-10583 #resolve > > Modified: > trunk/reactos/win32ss/gdi/gdi32/objects/bitmap.c > trunk/reactos/win32ss/gdi/ntgdi/dibobj.c > > Modified: trunk/reactos/win32ss/gdi/gdi32/objects/bitmap.c > URL: http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/gdi/gdi32/objects/… > ============================================================================== > --- trunk/reactos/win32ss/gdi/gdi32/objects/bitmap.c [iso-8859-1] (original) > +++ trunk/reactos/win32ss/gdi/gdi32/objects/bitmap.c [iso-8859-1] Tue Dec 29 20:28:23 2015 > @@ -408,23 +408,30 @@ > // PDC_ATTR pDc_Attr; > UINT InfoSize = 0; > UINT cjBmpScanSize = 0; > - HBITMAP hBmp; > + HBITMAP hBmp = NULL; > NTSTATUS Status = STATUS_SUCCESS; > + PBITMAPINFO pbmiConverted; > + UINT cjInfoSize; > + > + /* Convert the BITMAPINFO if it is a COREINFO */ > + pbmiConverted = ConvertBitmapInfo(Data, ColorUse, &cjInfoSize, FALSE); > > /* Check for CBM_CREATDIB */ > if (Init & CBM_CREATDIB) > { > /* CBM_CREATDIB needs Data. */ > - if (!Data) > - { > - return 0; > + if (pbmiConverted == NULL) > + { > + DPRINT1("CBM_CREATDIB needs a BITMAINFO!\n"); > + goto Exit; > } > > /* It only works with PAL or RGB */ > if (ColorUse > DIB_PAL_COLORS) > { > + DPRINT1("Invalid ColorUse: %lu\n", ColorUse); > GdiSetLastError(ERROR_INVALID_PARAMETER); > - return 0; > + goto Exit; > } > > /* Use the header from the data */ > @@ -434,38 +441,48 @@ > /* Header is required */ > if (!Header) > { > + DPRINT1("Header is NULL\n"); > GdiSetLastError(ERROR_INVALID_PARAMETER); > - return 0; > + goto Exit; > } > > /* Get the bitmap format and dimensions */ > if (DIB_GetBitmapInfo(Header, &width, &height, &planes, &bpp, &compr, &dibsize) == -1) > { > + DPRINT1("DIB_GetBitmapInfo failed!\n"); > GdiSetLastError(ERROR_INVALID_PARAMETER); > - return NULL; > + goto Exit; > } > > /* Check if the Compr is incompatible */ > if ((compr == BI_JPEG) || (compr == BI_PNG) || (compr == BI_BITFIELDS)) > - return 0; > + { > + DPRINT1("invalid compr: %lu!\n", compr); > + goto Exit; > + } > > /* Only DIB_RGB_COLORS (0), DIB_PAL_COLORS (1) and 2 are valid. */ > if (ColorUse > DIB_PAL_COLORS + 1) > { > + DPRINT1("invalid compr: %lu!\n", compr); > GdiSetLastError(ERROR_INVALID_PARAMETER); > - return 0; > + goto Exit; > } > > /* If some Bits are given, only DIB_PAL_COLORS and DIB_RGB_COLORS are valid */ > if (Bits && (ColorUse > DIB_PAL_COLORS)) > { > + DPRINT1("Invalid ColorUse: %lu\n", ColorUse); > GdiSetLastError(ERROR_INVALID_PARAMETER); > - return 0; > + goto Exit; > } > > /* Negative width is not allowed */ > if (width < 0) > - return 0; > + { > + DPRINT1("Negative width: %li\n", width); > + goto Exit; > + } > > /* Top-down DIBs have a negative height. */ > height = abs(height); > @@ -473,13 +490,13 @@ > // For Icm support. > // GdiGetHandleUserData(hdc, GDI_OBJECT_TYPE_DC, (PVOID)&pDc_Attr)) > > - if (Data) > + if (pbmiConverted) > { > _SEH2_TRY > { > - cjBmpScanSize = GdiGetBitmapBitsSize((BITMAPINFO *) Data); > - CalculateColorTableSize(&Data->bmiHeader, &ColorUse, &InfoSize); > - InfoSize += Data->bmiHeader.biSize; > + cjBmpScanSize = GdiGetBitmapBitsSize(pbmiConverted); > + CalculateColorTableSize(&pbmiConverted->bmiHeader, &ColorUse, &InfoSize); > + InfoSize += pbmiConverted->bmiHeader.biSize; > } > _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER) > { > @@ -490,8 +507,9 @@ > > if (!NT_SUCCESS(Status)) > { > + DPRINT1("Got an exception!\n"); > GdiSetLastError(ERROR_INVALID_PARAMETER); > - return NULL; > + goto Exit; > } > > DPRINT("pBMI %p, Size bpp %u, dibsize %d, Conv %u, BSS %u\n", Data, bpp, dibsize, InfoSize, > @@ -501,9 +519,18 @@ > hBmp = GetStockObject(DEFAULT_BITMAP); > else > { > - hBmp = NtGdiCreateDIBitmapInternal(hDC, width, height, Init, (LPBYTE) Bits, > - (LPBITMAPINFO) Data, ColorUse, InfoSize, cjBmpScanSize, 0, 0); > - } > + hBmp = NtGdiCreateDIBitmapInternal(hDC, width, height, Init, (LPBYTE)Bits, > + (LPBITMAPINFO)pbmiConverted, ColorUse, InfoSize, cjBmpScanSize, 0, 0); > + } > + > +Exit: > + > + /* Cleanup converted BITMAPINFO */ > + if ((pbmiConverted != NULL) && (pbmiConverted != Data)) > + { > + RtlFreeHeap(RtlGetProcessHeap(), 0, pbmiConverted); > + } > + > return hBmp; > } > > > Modified: trunk/reactos/win32ss/gdi/ntgdi/dibobj.c > URL: http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/gdi/ntgdi/dibobj.c… > ============================================================================== > --- trunk/reactos/win32ss/gdi/ntgdi/dibobj.c [iso-8859-1] (original) > +++ trunk/reactos/win32ss/gdi/ntgdi/dibobj.c [iso-8859-1] Tue Dec 29 20:28:23 2015 > @@ -259,11 +259,37 @@ > POINTL ptSrc; > EXLATEOBJ exlo; > PPALETTE ppalDIB = 0; > + ULONG cjSizeImage; > > if (!bmi) return 0; > > - if (bmi->bmiHeader.biSizeImage > cjMaxBits) > - { > + /* Check if the header provided an image size */ > + if (bmi->bmiHeader.biSizeImage != 0) > + { > + /* Use the given size */ > + cjSizeImage = bmi->bmiHeader.biSizeImage; > + } > + /* Otherwise check for uncompressed formats */ > + else if ((bmi->bmiHeader.biCompression == BI_RGB) || > + (bmi->bmiHeader.biCompression == BI_BITFIELDS)) > + { > + /* Calculate the image size */ > + cjSizeImage = DIB_GetDIBImageBytes(bmi->bmiHeader.biWidth, > + ScanLines, > + bmi->bmiHeader.biBitCount); > + } > + else > + { > + /* Compressed format without a size. This is invalid. */ > + DPRINT1("Compressed format without a size!"); > + return 0; > + } > + > + /* Check if the size that we have is ok */ > + if (cjSizeImage > cjMaxBits) > + { > + DPRINT1("Size too large! cjSizeImage = %lu, cjMaxBits = %lu\n", > + cjSizeImage, cjMaxBits); > return 0; > } > > @@ -273,7 +299,7 @@ > BitmapFormat(bmi->bmiHeader.biBitCount, > bmi->bmiHeader.biCompression), > bmi->bmiHeader.biHeight < 0 ? BMF_TOPDOWN : 0, > - bmi->bmiHeader.biSizeImage, > + cjSizeImage, > (PVOID)Bits, > 0); > if (!SourceBitmap) > @@ -314,6 +340,8 @@ > rcDst.right = psurfDst->SurfObj.sizlBitmap.cx; > ptSrc.x = 0; > ptSrc.y = 0; > + > + NT_ASSERT(psurfSrc->SurfObj.cjBits <= cjMaxBits); > > result = IntEngCopyBits(&psurfDst->SurfObj, > &psurfSrc->SurfObj, > @@ -1366,7 +1394,11 @@ > /* Undocumented flag which creates a DDB of the format specified by the bitmap info. */ > handle = IntCreateCompatibleBitmap(Dc, width, height, planes, bpp); > if (!handle) > + { > + DPRINT1("IntCreateCompatibleBitmap() failed!\n"); > return NULL; > + } > + > /* The palette must also match the given data */ > Surface = SURFACE_ShareLockSurface(handle); > ASSERT(Surface); > @@ -1430,6 +1462,7 @@ > safeBits = ExAllocatePoolWithTag(PagedPool, cjMaxBits, TAG_DIB); > if(!safeBits) > { > + DPRINT1("Failed to allocate %lu bytes\n", cjMaxBits); > EngSetLastError(ERROR_NOT_ENOUGH_MEMORY); > return NULL; > } > @@ -1452,6 +1485,7 @@ > > if(!NT_SUCCESS(Status)) > { > + DPRINT1("Got an exception! pjInit = %p\n", pjInit); > SetLastNtError(Status); > goto cleanup; > } > @@ -1498,6 +1532,7 @@ > hdcDest = NtGdiCreateCompatibleDC(0); > if(!hdcDest) > { > + DPRINT1("NtGdiCreateCompatibleDC failed\n"); > return NULL; > } > } > @@ -1509,6 +1544,7 @@ > Dc = DC_LockDc(hdcDest); > if (!Dc) > { > + DPRINT1("Failed to lock hdcDest %p\n", hdcDest); > EngSetLastError(ERROR_INVALID_HANDLE); > return NULL; > } > >

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Ros-dev January 2016