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To: vim_dev@googlegroups.com
Subject: Patch 8.1.08
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
Mime-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
------------

Patch 8.1.0898
Problem:    A messed up rgb.txt can crash Vim. (Pavel Cheremushkin)
Solution:   Limit to 10000 entries.  Also don't retry many times when the file
            cannot be read.
Files:	    src/term.c


*** ../vim-8.1.0897/src/term.c	2019-01-24 17:18:37.595462334 +0100
--- src/term.c	2019-02-12 20:41:40.212978067 +0100
***************
*** 6985,6997 ****
  	    return rgb_table[i].color;
  
      /*
!      * Last attempt. Look in the file "$VIM/rgb.txt".
       */
      if (size == 0)
      {
  	int counting;
  
! 	/* colornames_table not yet initialized */
  	fname = expand_env_save((char_u *)"$VIMRUNTIME/rgb.txt");
  	if (fname == NULL)
  	    return INVALCOLOR;
--- 6985,6997 ----
  	    return rgb_table[i].color;
  
      /*
!      * Last attempt. Look in the file "$VIMRUNTIME/rgb.txt".
       */
      if (size == 0)
      {
  	int counting;
  
! 	// colornames_table not yet initialized
  	fname = expand_env_save((char_u *)"$VIMRUNTIME/rgb.txt");
  	if (fname == NULL)
  	    return INVALCOLOR;
***************
*** 7002,7007 ****
--- 7002,7008 ----
  	{
  	    if (p_verbose > 1)
  		verb_msg(_("Cannot open $VIMRUNTIME/rgb.txt"));
+ 	    size = -1;  // don't try again
  	    return INVALCOLOR;
  	}
  
***************
*** 7050,7055 ****
--- 7051,7061 ----
  		    colornames_table[size].color = (guicolor_T)RGB(r, g, b);
  		}
  		size++;
+ 
+ 		// The distributed rgb.txt has less than 1000 entries. Limit to
+ 		// 10000, just in case the file was messed up.
+ 		if (size == 10000)
+ 		    break;
  	    }
  	}
  	fclose(fd);
*** ../vim-8.1.0897/src/version.c	2019-02-11 22:00:07.671917613 +0100
--- src/version.c	2019-02-12 20:42:30.340701182 +0100
***************
*** 785,786 ****
--- 785,788 ----
  {   /* Add new patch number below this line */
+ /**/
+     898,
  /**/

-- 
God made machine language; all the rest is the work of man.

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