Michael Stefaniuc : usp10: Use FIELD_OFFSET to calculate the size of a struct with variable length array .

Module: wine Branch: master Commit: b4712d2e165979e8c77697a013d3e9c97eeb66ca URL: http://source.winehq.org/git/wine.git/?a=commit;h=b4712d2e165979e8c77697a01… Author: Michael Stefaniuc &lt;mstefani(a)redhat.de&gt; Date: Wed Oct 31 11:32:33 2012 +0100 usp10: Use FIELD_OFFSET to calculate the size of a struct with variable length array. --- dlls/usp10/opentype.c | 18 ++++++++++++------ 1 files changed, 12 insertions(+), 6 deletions(-) diff --git a/dlls/usp10/opentype.c b/dlls/usp10/opentype.c index 138890f..635b822 100644 --- a/dlls/usp10/opentype.c +++ b/dlls/usp10/opentype.c @@ -933,7 +933,8 @@ static INT GSUB_apply_ChainContextSubst(const OT_LookupList* lookup, const OT_Lo continue; TRACE("Matched Backtrack\n"); - ccsf3_2 = (const GSUB_ChainContextSubstFormat3_2 *)(((LPBYTE)ccsf1)+sizeof(GSUB_ChainContextSubstFormat3_1) + (sizeof(WORD) * (GET_BE_WORD(ccsf3_1->BacktrackGlyphCount)-1))); + ccsf3_2 = (const GSUB_ChainContextSubstFormat3_2 *)((BYTE *)ccsf1 + + FIELD_OFFSET(GSUB_ChainContextSubstFormat3_1, Coverage[GET_BE_WORD(ccsf3_1->BacktrackGlyphCount)])); indexGlyphs = GET_BE_WORD(ccsf3_2->InputGlyphCount); for (k = 0; k < indexGlyphs; k++) @@ -946,7 +947,8 @@ static INT GSUB_apply_ChainContextSubst(const OT_LookupList* lookup, const OT_Lo continue; TRACE("Matched IndexGlyphs\n"); - ccsf3_3 = (const GSUB_ChainContextSubstFormat3_3 *)(((LPBYTE)ccsf3_2)+sizeof(GSUB_ChainContextSubstFormat3_2) + (sizeof(WORD) * (GET_BE_WORD(ccsf3_2->InputGlyphCount)-1))); + ccsf3_3 = (const GSUB_ChainContextSubstFormat3_3 *)((BYTE *)ccsf3_2 + + FIELD_OFFSET(GSUB_ChainContextSubstFormat3_2, Coverage[GET_BE_WORD(ccsf3_2->InputGlyphCount)])); for (k = 0; k < GET_BE_WORD(ccsf3_3->LookaheadGlyphCount); k++) { @@ -958,7 +960,8 @@ static INT GSUB_apply_ChainContextSubst(const OT_LookupList* lookup, const OT_Lo continue; TRACE("Matched LookAhead\n"); - ccsf3_4 = (const GSUB_ChainContextSubstFormat3_4 *)(((LPBYTE)ccsf3_3)+sizeof(GSUB_ChainContextSubstFormat3_3) + (sizeof(WORD) * (GET_BE_WORD(ccsf3_3->LookaheadGlyphCount)-1))); + ccsf3_4 = (const GSUB_ChainContextSubstFormat3_4 *)((BYTE *)ccsf3_3 + + FIELD_OFFSET(GSUB_ChainContextSubstFormat3_3, Coverage[GET_BE_WORD(ccsf3_3->LookaheadGlyphCount)])); if (GET_BE_WORD(ccsf3_4->SubstCount)) { @@ -1421,7 +1424,8 @@ static INT GPOS_apply_ChainContextPos(LPOUTLINETEXTMETRICW lpotm, LPLOGFONTW lpl continue; TRACE("Matched Backtrack\n"); - ccpf3_2 = (const GPOS_ChainContextPosFormat3_2*)(((LPBYTE)ccpf3)+sizeof(GPOS_ChainContextPosFormat3_1) + (sizeof(WORD) * (GET_BE_WORD(ccpf3->BacktrackGlyphCount)-1))); + ccpf3_2 = (const GPOS_ChainContextPosFormat3_2*)((BYTE *)ccpf3 + + FIELD_OFFSET(GPOS_ChainContextPosFormat3_1, Coverage[GET_BE_WORD(ccpf3->BacktrackGlyphCount)])); indexGlyphs = GET_BE_WORD(ccpf3_2->InputGlyphCount); for (k = 0; k < indexGlyphs; k++) @@ -1434,7 +1438,8 @@ static INT GPOS_apply_ChainContextPos(LPOUTLINETEXTMETRICW lpotm, LPLOGFONTW lpl continue; TRACE("Matched IndexGlyphs\n"); - ccpf3_3 = (const GPOS_ChainContextPosFormat3_3*)(((LPBYTE)ccpf3_2)+sizeof(GPOS_ChainContextPosFormat3_2) + (sizeof(WORD) * (GET_BE_WORD(ccpf3_2->InputGlyphCount)-1))); + ccpf3_3 = (const GPOS_ChainContextPosFormat3_3*)((BYTE *)ccpf3_2 + + FIELD_OFFSET(GPOS_ChainContextPosFormat3_2, Coverage[GET_BE_WORD(ccpf3_2->InputGlyphCount)])); for (k = 0; k < GET_BE_WORD(ccpf3_3->LookaheadGlyphCount); k++) { @@ -1446,7 +1451,8 @@ static INT GPOS_apply_ChainContextPos(LPOUTLINETEXTMETRICW lpotm, LPLOGFONTW lpl continue; TRACE("Matched LookAhead\n"); - ccpf3_4 = (const GPOS_ChainContextPosFormat3_4*)(((LPBYTE)ccpf3_3)+sizeof(GPOS_ChainContextPosFormat3_3) + (sizeof(WORD) * (GET_BE_WORD(ccpf3_3->LookaheadGlyphCount)-1))); + ccpf3_4 = (const GPOS_ChainContextPosFormat3_4*)((BYTE *)ccpf3_3 + + FIELD_OFFSET(GPOS_ChainContextPosFormat3_3, Coverage[GET_BE_WORD(ccpf3_3->LookaheadGlyphCount)])); if (GET_BE_WORD(ccpf3_4->PosCount)) {