organicmaps/fast_obj
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Fix fuzzer test when vertex index is garbage

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Richard Knight 2023-12-21 17:17:30 +00:00
parent c8707104b8
commit 724e09ff1e
1 changed files with 3 additions and 1 deletions
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4
fast_obj.h
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@ -760,8 +760,10 @@ const char* parse_face(fastObjData* data, const char* ptr)
if (v < 0)
vn.p = (array_size(data->mesh->positions) / 3) - (fastObjUInt)(-v);
else
else if (v > 0)
vn.p = (fastObjUInt)(v);
else
return ptr; /* Skip lines with no valid vertex index */
if (t < 0)
vn.t = (array_size(data->mesh->texcoords) / 2) - (fastObjUInt)(-t);