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gdi32: Zero pad the facename buffer so that we don't write uninitialized data to the metafile. 

Found by Valgrind.
This commit is contained in:
Huw Davies 2010-02-03 14:33:06 +00:00 committed by Alexandre Julliard
parent 4f1d040eaf
commit 1ff1e11161
1 changed files with 4 additions and 2 deletions
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6
dlls/gdi32/mfdrv/objects.c
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@ -365,6 +365,7 @@ static UINT16 MFDRV_CreateFontIndirect(PHYSDEV dev, HFONT hFont, LOGFONTW *logfo
char buffer[sizeof(METARECORD) - 2 + sizeof(LOGFONT16)];
METARECORD *mr = (METARECORD *)&buffer;
LOGFONT16 *font16;
INT written;
mr->rdSize = (sizeof(METARECORD) + sizeof(LOGFONT16) - 2) / 2;
mr->rdFunction = META_CREATEFONTINDIRECT;
@ -383,8 +384,9 @@ static UINT16 MFDRV_CreateFontIndirect(PHYSDEV dev, HFONT hFont, LOGFONTW *logfo
font16->lfClipPrecision = logfont->lfClipPrecision;
font16->lfQuality = logfont->lfQuality;
font16->lfPitchAndFamily = logfont->lfPitchAndFamily;
WideCharToMultiByte( CP_ACP, 0, logfont->lfFaceName, -1, font16->lfFaceName, LF_FACESIZE, NULL, NULL );
font16->lfFaceName[LF_FACESIZE-1] = 0;
written = WideCharToMultiByte( CP_ACP, 0, logfont->lfFaceName, -1, font16->lfFaceName, LF_FACESIZE - 1, NULL, NULL );
/* Zero pad the facename buffer, so that we don't write uninitialized data to disk */
memset(font16->lfFaceName + written, 0, LF_FACESIZE - written);
if (!(MFDRV_WriteRecord( dev, mr, mr->rdSize * 2)))
return 0;