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IFC: fix possible use after free access bug.

pull/996/head
Kim Kulling 2016-09-02 20:06:56 +02:00
parent b240b9d30d
commit e51b7d2a61
1 changed files with 4 additions and 4 deletions
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8
code/IFCOpenings.cpp
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@ -715,14 +715,14 @@ void FindAdjacentContours(ContourVector::iterator current, const ContourVector&
const Contour& mcontour = (*it).contour;
for (size_t n = 0; n < ncontour.size(); ++n) {
const IfcVector2& n0 = ncontour[n];
const IfcVector2& n1 = ncontour[(n+1) % ncontour.size()];
const IfcVector2 n0 = ncontour[n];
const IfcVector2 n1 = ncontour[(n+1) % ncontour.size()];
for (size_t m = 0, mend = (is_me ? n : mcontour.size()); m < mend; ++m) {
ai_assert(&mcontour != &ncontour || m < n);
const IfcVector2& m0 = mcontour[m];
const IfcVector2& m1 = mcontour[(m+1) % mcontour.size()];
const IfcVector2 m0 = mcontour[m];
const IfcVector2 m1 = mcontour[(m+1) % mcontour.size()];
IfcVector2 isect0, isect1;
if (IntersectingLineSegments(n0,n1, m0, m1, isect0, isect1)) {