To: vim-dev@vim.org
Subject: Patch 5.6a.23
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
------------

Patch 5.6a.023
Problem:    Using expand("%:gs??/?") causes a crash. (Ron Aaron)
Solution:   Check for running into the end of the string in do_string_sub().
Files:	    src/eval.c


*** ../vim-5.6a.22/src/eval.c	Wed Dec 29 12:11:00 1999
--- src/eval.c	Wed Jan 12 21:14:54 2000
***************
*** 5784,5789 ****
--- 5784,5791 ----
  	    /* avoid getting stuck on a match with an empty string */
  	    if (tail == prog->endp[0])
  	    {
+ 		if (*tail == NUL)
+ 		    break;
  		*((char_u *)ga.ga_data + ga.ga_len) = *tail++;
  		++ga.ga_len;
  		--ga.ga_room;
*** ../vim-5.6a.22/src/version.c	Wed Jan 12 21:20:04 2000
--- src/version.c	Wed Jan 12 21:19:48 2000
***************
*** 420,421 ****
--- 420,423 ----
  {   /* Add new patch number below this line */
+ /**/
+     23,
  /**/

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