7.1.171

   1 To: vim-dev@vim.org
   2 Subject: Patch 7.1.171
   3 Fcc: outbox
   4 From: Bram Moolenaar <Bram@moolenaar.net>
   5 Mime-Version: 1.0
   6 Content-Type: text/plain; charset=ISO-8859-1
   7 Content-Transfer-Encoding: 8bit
   8 ------------
   9
  10 Patch 7.1.171
  11 Problem:    Reading one byte before allocated memory.
  12 Solution:   Check index not to become negative. (Dominique Pelle)
  13 Files:      src/ex_getln.c
  14
  15
  16 *** ../vim-7.1.170/src/ex_getln.c       Tue Oct 30 17:36:31 2007
  17 --- src/ex_getln.c      Tue Dec  4 21:49:24 2007
  18 ***************
  19 *** 1186,1195 ****
  20         case K_LEFT:
  21         case K_S_LEFT:
  22         case K_C_LEFT:
  23                 do
  24                 {
  25 -                   if (ccline.cmdpos == 0)
  26 -                       break;
  27                     --ccline.cmdpos;
  28   #ifdef FEAT_MBYTE
  29                     if (has_mbyte)      /* move to first byte of char */
  30 --- 1186,1195 ----
  31         case K_LEFT:
  32         case K_S_LEFT:
  33         case K_C_LEFT:
  34 +               if (ccline.cmdpos == 0)
  35 +                   goto cmdline_not_changed;
  36                 do
  37                 {
  38                     --ccline.cmdpos;
  39   #ifdef FEAT_MBYTE
  40                     if (has_mbyte)      /* move to first byte of char */
  41 ***************
  42 *** 1198,1204 ****
  43   #endif
  44                     ccline.cmdspos -= cmdline_charsize(ccline.cmdpos);
  45                 }
  46 !               while ((c == K_S_LEFT || c == K_C_LEFT
  47                                || (mod_mask & (MOD_MASK_SHIFT|MOD_MASK_CTRL)))
  48                         && ccline.cmdbuff[ccline.cmdpos - 1] != ' ');
  49   #ifdef FEAT_MBYTE
  50 --- 1198,1205 ----
  51   #endif
  52                     ccline.cmdspos -= cmdline_charsize(ccline.cmdpos);
  53                 }
  54 !               while (ccline.cmdpos > 0
  55 !                       && (c == K_S_LEFT || c == K_C_LEFT
  56                                || (mod_mask & (MOD_MASK_SHIFT|MOD_MASK_CTRL)))
  57                         && ccline.cmdbuff[ccline.cmdpos - 1] != ' ');
  58   #ifdef FEAT_MBYTE
  59 *** ../vim-7.1.170/src/version.c        Fri Dec  7 17:30:04 2007
  60 --- src/version.c       Fri Dec  7 20:00:06 2007
  61 ***************
  62 *** 668,669 ****
  63 --- 668,671 ----
  64   {   /* Add new patch number below this line */
  65 + /**/
  66 +     171,
  67   /**/
  68
  69 --
  70 Some of the well know MS-Windows errors:
  71         EMULTI          Multitasking attempted, system confused
  72         EKEYBOARD       Keyboard locked, try getting out of this one!
  73         EXPLAIN         Unexplained error, please tell us what happened
  74         EFUTURE         Reserved for our future mistakes
  75
  76  /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
  77 ///        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
  78 \\\        download, build and distribute -- http://www.A-A-P.org        ///
  79  \\\            help me help AIDS victims -- http://ICCF-Holland.org    ///