To: vim-dev@vim.org
Subject: Patch 6.0aw.001
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
------------

Patch 6.0aw.001
Problem:    When using histget() with an index that's below all existing
	    entries, Vim would hang. (Yegappan Lakshmanan)
Solution:   Break out of the loop when all history items have been checked.
Files:	    src/ex_getln.c


*** ../vim-6.0aw/src/ex_getln.c	Sun Sep 16 22:21:05 2001
--- src/ex_getln.c	Mon Sep 17 10:57:06 2001
***************
*** 3722,3727 ****
--- 3722,3728 ----
  {
      int		i;
      histentry_T	*hist;
+     int		wrapped = FALSE;
  
      if (hislen == 0 || histype < 0 || histype >= HIST_COUNT
  		    || (i = hisidx[histype]) < 0 || num == 0)
***************
*** 3732,3740 ****
      {
  	while (hist[i].hisnum > num)
  	    if (--i < 0)
  		i += hislen;
! 	if (hist[i].hisnum == num
! 		&& hist[i].hisstr != NULL)
  	    return i;
      }
      else if (-num <= hislen)
--- 3733,3745 ----
      {
  	while (hist[i].hisnum > num)
  	    if (--i < 0)
+ 	    {
+ 		if (wrapped)
+ 		    break;
  		i += hislen;
! 		wrapped = TRUE;
! 	    }
! 	if (hist[i].hisnum == num && hist[i].hisstr != NULL)
  	    return i;
      }
      else if (-num <= hislen)

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