Squashed 'tests/unity/' content from commit 1782bab

git-subtree-dir: tests/unity
git-subtree-split: 1782bab0bacd349a45bc215ff91f082912cd7a64

auto/type_sanitizer.rb

@@ -0,0 +1,8 @@
+module TypeSanitizer
+  
+  def self.sanitize_c_identifier(unsanitized)
+    # convert filename to valid C identifier by replacing invalid chars with '_'
+    return unsanitized.gsub(/[-\/\\\.\,\s]/, "_")
+  end
+
+end