diff src/fileio.c @ 6963:4bf9538ff25e v7.4.799

patch 7.4.799 Problem: Accessing memory before an allocated block. Solution: Check for not going before the start of a pattern. (Dominique Pelle)
author Bram Moolenaar <bram@vim.org>
date Tue, 28 Jul 2015 13:33:45 +0200
parents 4db70c94226b
children dc1b678f0e4e
line wrap: on
line diff
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -8514,7 +8514,7 @@ do_autocmd_event(event, pat, nested, cmd
 	 */
 	brace_level = 0;
 	for (endpat = pat; *endpat && (*endpat != ',' || brace_level
-					     || endpat[-1] == '\\'); ++endpat)
+			   || (endpat > pat && endpat[-1] == '\\')); ++endpat)
 	{
 	    if (*endpat == '{')
 		brace_level++;