To: vim_dev@googlegroups.com
Subject: Patch 7.4.814
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
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------------

Patch 7.4.814
Problem:    Illegal memory access with "sy match a fold".
Solution:   Check for empty string. (Dominique Pelle)
Files:      src/syntax.c


*** ../vim-7.4.813/src/syntax.c	2015-06-25 18:36:20.511463791 +0200
--- src/syntax.c	2015-08-11 15:25:45.521870095 +0200
***************
*** 5654,5660 ****
      char_u	*cpo_save;
  
      /* need at least three chars */
!     if (arg == NULL || arg[1] == NUL || arg[2] == NUL)
  	return NULL;
  
      end = skip_regexp(arg + 1, *arg, TRUE, NULL);
--- 5654,5660 ----
      char_u	*cpo_save;
  
      /* need at least three chars */
!     if (arg == NULL || arg[0] == NUL || arg[1] == NUL || arg[2] == NUL)
  	return NULL;
  
      end = skip_regexp(arg + 1, *arg, TRUE, NULL);
*** ../vim-7.4.813/src/version.c	2015-08-11 14:26:03.598931086 +0200
--- src/version.c	2015-08-11 15:24:29.398729091 +0200
***************
*** 743,744 ****
--- 743,746 ----
  {   /* Add new patch number below this line */
+ /**/
+     814,
  /**/

-- 
Witches prefer brooms: vacuum-cleaners need extension cords!

 /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
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