fix: reading chunks from an empty (zero-length) grid-stored file

reading chunks from an empty file caused an endless loop
2011-05-10 22:58:50 -05:00 · 2011-05-10 22:58:50 -05:00 · 6e66b11f6e
commit 6e66b11f6e
parent 3cb1e4644b
1 changed files with 2 additions and 1 deletions
--- a/lib/mongo/gridfs/grid_io.rb
+++ b/lib/mongo/gridfs/grid_io.rb
@ -251,8 +251,9 @@ module Mongo
    # @return [Mongo::GridIO] self
    def each
      return read_all unless block_given?
-      while chunk = read(chunk_size)
+      while chunk = read(chunk_size) 
        yield chunk
+        break if chunk.empty?
      end
      self
    end