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check numVertices, bail out and print error message if there are too many

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I added similar checks for the other num* but it seems some MD2s break the other limits without knowing anyway ...so I've commented these checks out for now, unless we have further discussion regarding them later on
This commit is contained in:
Monster Iestyn 2016-11-03 20:40:17 +00:00
parent 51cb45cd4b
commit 2ec972af54
1 changed files with 17 additions and 4 deletions
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21
src/hardware/hw_md2.c
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@ -308,6 +308,23 @@ static md2_model_t *md2_readModel(const char *filename)
model->header.numSkins = 1;
#define MD2LIMITCHECK(field, max, msgname) \
if (field >= max) \
{ \
CONS_Alert(CONS_ERROR, "md2_readModel: %s has too many " msgname " (# found: %d, maximum: %d)\n", filename, field, max); \
md2_freeModel (model); \
return 0; \
}
// Uncomment if these are actually needed
// MD2LIMITCHECK(model->header.numSkins, MD2_MAX_SKINS, "skins")
// MD2LIMITCHECK(model->header.numTexCoords, MD2_MAX_TEXCOORDS, "texture coordinates")
// MD2LIMITCHECK(model->header.numTriangles, MD2_MAX_TRIANGLES, "triangles")
// MD2LIMITCHECK(model->header.numFrames, MD2_MAX_FRAMES, "frames")
MD2LIMITCHECK(model->header.numVertices, MD2_MAX_VERTICES, "vertices")
#undef MD2LIMITCHECK
// read skins
fseek(file, model->header.offsetSkins, SEEK_SET);
if (model->header.numSkins > 0)
@ -319,8 +336,6 @@ static md2_model_t *md2_readModel(const char *filename)
md2_freeModel (model);
return 0;
}
;
}
// read texture coordinates
@ -334,8 +349,6 @@ static md2_model_t *md2_readModel(const char *filename)
md2_freeModel (model);
return 0;
}
}
// read triangles