lib/bamfcsv.rb in bamfcsv-0.2.0 vs lib/bamfcsv.rb in bamfcsv-0.3.1

@@ -7,10 +7,15 @@
     parse(File.read(thing_to_read), opts)
   end
 
   def self.parse(csv_str, opts={})
     return [] if csv_str.empty?
-    matrix = __parse_string(csv_str)
+    # We need to do this because the C extension currently overwrites
+    # the input, and all of String#clone, String#dup, and String.new
+    # copy the pointer, not the contents. So we make a copy, parse
+    # that, and throw away the copy.
+    copy = "" + csv_str
+    matrix = __parse_string(copy)
     if opts[:headers]
       Table.new(matrix)
     else
       matrix
     end