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usp10: Do not crash in ScriptPlace if pABC is null.

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Aric Stewart 2007-04-24 13:03:22 -05:00 committed by Alexandre Julliard
parent 621eceb633
commit 73bec11865
1 changed files with 10 additions and 6 deletions
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16
dlls/usp10/usp10.c
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@ -1309,8 +1309,8 @@ HRESULT WINAPI ScriptPlace(HDC hdc, SCRIPT_CACHE *psc, const WORD *pwGlyphs,
* to get the correct ABC widths. */ * to get the correct ABC widths. */
if (!(lpABC = usp_zero_alloc(sizeof(ABC) * cGlyphs))) return E_OUTOFMEMORY; if (!(lpABC = usp_zero_alloc(sizeof(ABC) * cGlyphs))) return E_OUTOFMEMORY;
if (pABC)
memset(pABC, 0, sizeof(ABC)); memset(pABC, 0, sizeof(ABC));
/* FIXME: set pGoffset to more reasonable values */ /* FIXME: set pGoffset to more reasonable values */
if (!GetCharABCWidthsI(get_cache_hdc(psc), 0, cGlyphs, (WORD *) pwGlyphs, lpABC )) if (!GetCharABCWidthsI(get_cache_hdc(psc), 0, cGlyphs, (WORD *) pwGlyphs, lpABC ))
@ -1330,15 +1330,19 @@ HRESULT WINAPI ScriptPlace(HDC hdc, SCRIPT_CACHE *psc, const WORD *pwGlyphs,
lpABC[wcnt].abcA, lpABC[wcnt].abcA,
lpABC[wcnt].abcB, lpABC[wcnt].abcB,
lpABC[wcnt].abcC, wcnt); lpABC[wcnt].abcC, wcnt);
pABC->abcA += lpABC[wcnt].abcA; if (pABC)
pABC->abcB += lpABC[wcnt].abcB; {
pABC->abcC += lpABC[wcnt].abcC; pABC->abcA += lpABC[wcnt].abcA;
pABC->abcB += lpABC[wcnt].abcB;
pABC->abcC += lpABC[wcnt].abcC;
}
piAdvance[wcnt] = lpABC[wcnt].abcA + lpABC[wcnt].abcB + lpABC[wcnt].abcC; piAdvance[wcnt] = lpABC[wcnt].abcA + lpABC[wcnt].abcB + lpABC[wcnt].abcC;
pGoffset[wcnt].du = 0; pGoffset[wcnt].du = 0;
pGoffset[wcnt].dv = 0; pGoffset[wcnt].dv = 0;
} }
} }
TRACE("Total for run: abcA=%d, abcB=%d, abcC=%d\n", pABC->abcA, pABC->abcB, pABC->abcC); if (pABC)
TRACE("Total for run: abcA=%d, abcB=%d, abcC=%d\n", pABC->abcA, pABC->abcB, pABC->abcC);
usp_free(lpABC); usp_free(lpABC);
return S_OK; return S_OK;