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GetCharacterPlacementA: check FONT_mbtowc return value for validity

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svn path=/trunk/; revision=42899
This commit is contained in:
Gregor Schneider 2009-08-24 00:00:06 +00:00
parent eda170fe74
commit 8e0dd42d55
1 changed files with 4 additions and 0 deletions
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4
reactos/dll/win32/gdi32/objects/font.c
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@ -323,6 +323,10 @@ GetCharacterPlacementA(
memcpy(&resultsW, lpResults, sizeof(resultsW)); memcpy(&resultsW, lpResults, sizeof(resultsW));
lpStringW = FONT_mbtowc(hdc, lpString, uCount, &uCountW, &font_cp); lpStringW = FONT_mbtowc(hdc, lpString, uCount, &uCountW, &font_cp);
if (lpStringW == NULL)
{
return 0;
}
if(lpResults->lpOutString) if(lpResults->lpOutString)
{ {
resultsW.lpOutString = HeapAlloc(GetProcessHeap(), 0, sizeof(WCHAR)*uCountW); resultsW.lpOutString = HeapAlloc(GetProcessHeap(), 0, sizeof(WCHAR)*uCountW);