openscad/openscad — pull request #663 by donbright (2014-02-18 02:42:21+00:00)
Title: Issue235

fix crashing on importing blank stl. (issue #235)

change 1: fix the if else logic so we dont try to read feof() files

change 2: return NULL for empty polysets created in the import process

change 3: add 2 regression tests for empty text stls