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user32: Pad lfFaceName so we don't write uninitialised data to the registry. 

Found by Valgrind.
This commit is contained in:
Huw Davies 2009-12-04 14:28:04 +00:00 committed by Alexandre Julliard
parent a7326271e0
commit 6fc8234300
1 changed files with 13 additions and 3 deletions
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16
dlls/user32/sysparams.c
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@ -699,10 +699,20 @@ static BOOL SYSPARAMS_Save( LPCWSTR lpRegKey, LPCWSTR lpValName, LPCWSTR lpValue
/* Convenience function to save logical fonts */
static BOOL SYSPARAMS_SaveLogFont( LPCWSTR lpRegKey, LPCWSTR lpValName,
LPLOGFONTW plf, UINT fWinIni )
const LPLOGFONTW plf, UINT fWinIni )
{
return SYSPARAMS_SaveRaw( lpRegKey, lpValName, (const BYTE*)plf,
sizeof( LOGFONTW), REG_BINARY, fWinIni );
LOGFONTW lf = *plf;
int len;
/* Zero pad the end of lfFaceName so we don't write uninitialised
data to the registry */
lf.lfFaceName[LF_FACESIZE-1] = 0;
len = strlenW(lf.lfFaceName);
if(len < LF_FACESIZE-1)
memset(lf.lfFaceName + len, 0, (LF_FACESIZE - 1 - len) * sizeof(WCHAR));
return SYSPARAMS_SaveRaw( lpRegKey, lpValName, (const BYTE*)&lf,
sizeof(LOGFONTW), REG_BINARY, fWinIni );
}