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Subject: Patch 7.4.820

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From: Bram Moolenaar <Bram@moolenaar.net>

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

Patch 7.4.820

Problem:    Invalid memory access in file_pat_to_reg_pat.

Solution:   Avoid looking before the start of a string. (Dominique Pelle)

Files:      src/fileio.c

*** ../vim-7.4.819/src/fileio.c	2015-08-11 16:19:59.433200370 +0200

--- src/fileio.c	2015-08-11 18:43:31.191888181 +0200

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

*** 10210,10216 ****

      else

  	reg_pat[i++] = '^';

      endp = pat_end - 1;

!     if (*endp == '*')

      {

  	while (endp - pat > 0 && *endp == '*')

  	    endp--;

--- 10210,10216 ----

      else

  	reg_pat[i++] = '^';

      endp = pat_end - 1;

!     if (endp >= pat && *endp == '*')

      {

  	while (endp - pat > 0 && *endp == '*')

  	    endp--;

*** ../vim-7.4.819/src/version.c	2015-08-11 18:33:43.078928006 +0200

--- src/version.c	2015-08-11 18:44:56.022874464 +0200

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

*** 743,744 ****

--- 743,746 ----

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

+ /**/

+     820,

  /**/

-- 

WOMAN:   Well, 'ow did you become king then?

ARTHUR:  The Lady of the Lake, [angels sing] her arm clad in the purest

         shimmering samite, held aloft Excalibur from the bosom of the water

         signifying by Divine Providence that I, Arthur, was to carry

         Excalibur.  [singing stops] That is why I am your king!

                                  The Quest for the Holy Grail (Monty Python)

 /// 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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