Check for nil before trying to replace a line

git-svn-id: file:///home/svn/framework3/trunk@7108 4d416f70-5f16-0410-b530-b9f4589650da
2009-10-01 16:47:48 +00:00 · 2009-10-01 16:47:48 +00:00 · b4d6ba1170
parent 92359fecc5
commit b4d6ba1170
1 changed files with 3 additions and 1 deletions
--- a/lib/rbreadline.rb
+++ b/lib/rbreadline.rb
@ -4184,7 +4184,9 @@ module RbReadline
      #   the location.
      if (cxt.sflags & SF_FOUND)!=0
         cxt.prev_line_found = cxt.lines[cxt.history_pos]
+         if (cxt.prev_line_found)
           rl_replace_line(cxt.lines[cxt.history_pos], false)
+         end
         @rl_point = cxt.sline_index
         cxt.last_found_line = cxt.history_pos
         rl_display_search(cxt.search_string, (cxt.sflags & SF_REVERSE)!=0, (cxt.history_pos == cxt.save_line) ? -1 : cxt.history_pos)