To: vim_dev@googlegroups.com
Subject: Patch 7.3.557
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
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------------

Patch 7.3.557
Problem:    Crash when an autocommand wipes out a buffer when it is hidden.
Solution:   Restore the current window when needed. (Christian Brabandt)
Files:	    src/buffer.c


*** ../vim-7.3.556/src/buffer.c	2012-06-13 14:28:16.000000000 +0200
--- src/buffer.c	2012-06-20 11:49:54.000000000 +0200
***************
*** 1363,1368 ****
--- 1363,1369 ----
      int		action;
  {
      buf_T	*prevbuf;
+     win_T	*prevwin;
      int		unload = (action == DOBUF_UNLOAD || action == DOBUF_DEL
  						     || action == DOBUF_WIPE);
  
***************
*** 1402,1423 ****
  	if (buf_valid(prevbuf))
  #endif
  	{
  	    if (prevbuf == curbuf)
  		u_sync(FALSE);
  	    close_buffer(prevbuf == curwin->w_buffer ? curwin : NULL, prevbuf,
  		    unload ? action : (action == DOBUF_GOTO
  			&& !P_HID(prevbuf)
  			&& !bufIsChanged(prevbuf)) ? DOBUF_UNLOAD : 0, FALSE);
  	}
      }
  #ifdef FEAT_AUTOCMD
      /* An autocommand may have deleted "buf", already entered it (e.g., when
!      * it did ":bunload") or aborted the script processing! */
! # ifdef FEAT_EVAL
!     if (buf_valid(buf) && buf != curbuf && !aborting())
! # else
!     if (buf_valid(buf) && buf != curbuf)
! # endif
  #endif
  	enter_buffer(buf);
  }
--- 1403,1432 ----
  	if (buf_valid(prevbuf))
  #endif
  	{
+ 	    prevwin = curwin;
  	    if (prevbuf == curbuf)
  		u_sync(FALSE);
  	    close_buffer(prevbuf == curwin->w_buffer ? curwin : NULL, prevbuf,
  		    unload ? action : (action == DOBUF_GOTO
  			&& !P_HID(prevbuf)
  			&& !bufIsChanged(prevbuf)) ? DOBUF_UNLOAD : 0, FALSE);
+ 	    if (curwin != prevwin && win_valid(prevwin))
+ 	      /* autocommands changed curwin, Grr! */
+ 	      curwin = prevwin;
  	}
      }
  #ifdef FEAT_AUTOCMD
      /* An autocommand may have deleted "buf", already entered it (e.g., when
!      * it did ":bunload") or aborted the script processing!
!      * If curwin->w_buffer is null, enter_buffer() will make it valid again */
!     if ((buf_valid(buf) && buf != curbuf
! #ifdef FEAT_EVAL
! 	    && !aborting()
! #endif
! #ifdef FEAT_WINDOWS
! 	 ) || curwin->w_buffer == NULL
! #endif
!        )
  #endif
  	enter_buffer(buf);
  }
*** ../vim-7.3.556/src/version.c	2012-06-14 20:59:20.000000000 +0200
--- src/version.c	2012-06-20 11:53:56.000000000 +0200
***************
*** 716,717 ****
--- 716,719 ----
  {   /* Add new patch number below this line */
+ /**/
+     557,
  /**/

-- 
Don't read everything you believe.

 /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
///        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
\\\  an exciting new programming language -- http://www.Zimbu.org        ///
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