lib/fluent/plugin/in_tail.rb in fluentd-0.12.29 vs lib/fluent/plugin/in_tail.rb in fluentd-0.12.30

@@ -577,11 +577,11 @@
                   if @buffer.empty?
                     @io.readpartial(2048, @buffer)
                   else
                     @buffer << @io.readpartial(2048, @iobuf)
                   end
-                  while line = @buffer.slice!(/.*?\n/m)
-                    @lines << line
+                  while idx = @buffer.index("\n".freeze)
+                    @lines << @buffer.slice!(0, idx + 1)
                   end
                   if @lines.size >= @read_lines_limit
                     # not to use too much memory in case the file is very large
                     read_more = true
                     break