# HG changeset patch
# User John W. Eaton <jwe@octave.org>
# Date 1420671737 18000
# Node ID b9cb664404b902e0b9cf288f5df4dd5685f64c4a
# Parent  04d6d592c61423eeb21a10d158578904b150a659
avoid indexing before beginning of string

* load-path.cc (load_path::do_find_dir): Avoid indexing before
beginning of string.

diff -r 04d6d592c614 -r b9cb664404b9 libinterp/corefcn/load-path.cc
--- a/libinterp/corefcn/load-path.cc	Wed Jan 07 17:26:50 2015 -0500
+++ b/libinterp/corefcn/load-path.cc	Wed Jan 07 18:02:17 2015 -0500
@@ -1383,7 +1383,7 @@
 
           size_t dir_len = dir.length ();
 
-          if (dname_len >= dir_len
+          if (dname_len > dir_len
               && file_ops::is_dir_sep (dname[dname_len - dir_len - 1])
               && dir.compare (dname.substr (dname_len - dir_len)) == 0)
             {