To: vim-dev@vim.org

Subject: Patch 7.1.155

Fcc: outbox

From: Bram Moolenaar <Bram@moolenaar.net>

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------------

Patch 7.1.155

Problem:    Crash when 'undolevels' is 0 and repeating "udd". (James Vega)

Solution:   When there is only one branch use u_freeheader() to delete it.

Files:	    src/undo.c

*** ../vim-7.1.154/src/undo.c	Mon Oct  1 22:53:27 2007

--- src/undo.c	Sat Nov 10 13:45:28 2007

***************

*** 1677,1682 ****

--- 1677,1690 ----

      u_header_T	    **uhpp;	/* if not NULL reset when freeing this header */

  {

      u_header_T	    *tofree, *next;

+ 

+     /* If this is the top branch we may need to use u_freeheader() to update

+      * all the pointers. */

+     if (uhp == buf->b_u_oldhead)

+     {

+ 	u_freeheader(buf, uhp, uhpp);

+ 	return;

+     }

      if (uhp->uh_alt_prev != NULL)

  	uhp->uh_alt_prev->uh_alt_next = NULL;

*** ../vim-7.1.154/src/version.c	Thu Nov  8 21:23:34 2007

--- src/version.c	Sat Nov 10 22:49:40 2007

***************

*** 668,669 ****

--- 668,671 ----

  {   /* Add new patch number below this line */

+ /**/

+     155,

  /**/

-- 

I AM THANKFUL...

...for the piles of laundry and ironing because it means I

have plenty of clothes to wear.

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

///        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\

\\\        download, build and distribute -- http://www.A-A-P.org        ///

 \\\            help me help AIDS victims -- http://ICCF-Holland.org    ///