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  1.   30a10f835ff863e6ee0397c048032c1d18aee2d0
  2.   7.3.535
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To: vim_dev@googlegroups.com
Subject: Patch 7.3.535
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
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------------
 
Patch 7.3.535
Problem:    Many #ifdefs for MB_MAXBYTES.
Solution:   Also define MB_MAXBYTES without the +multi_byte feature.  Fix
	    places where the buffer didn't include space for a NUL byte.
Files:	    src/arabic.c, src/edit.c, src/eval.c, src/getchar.c, src/mbyte.c,
	    src/misc1.c, src/screen.c, src/spell.c, src/vim.h
 
 
*** ../vim-7.3.534/src/arabic.c	2010-08-15 21:57:28.000000000 +0200
--- src/arabic.c	2012-06-01 14:59:37.000000000 +0200
***************
*** 1066,1072 ****
  
      if (curr_c != c && ccp != NULL)
      {
! 	char_u buf[MB_MAXBYTES];
  
  	/* Update the first byte of the character. */
  	(*mb_char2bytes)(curr_c, buf);
--- 1066,1072 ----
  
      if (curr_c != c && ccp != NULL)
      {
! 	char_u buf[MB_MAXBYTES + 1];
  
  	/* Update the first byte of the character. */
  	(*mb_char2bytes)(curr_c, buf);
*** ../vim-7.3.534/src/edit.c	2012-06-01 14:57:47.000000000 +0200
--- src/edit.c	2012-06-01 15:01:49.000000000 +0200
***************
*** 1648,1658 ****
  #define PC_STATUS_RIGHT	1	/* right halve of double-wide char */
  #define PC_STATUS_LEFT	2	/* left halve of double-wide char */
  #define PC_STATUS_SET	3	/* pc_bytes was filled */
- #ifdef FEAT_MBYTE
  static char_u pc_bytes[MB_MAXBYTES + 1]; /* saved bytes */
- #else
- static char_u pc_bytes[2];		/* saved bytes */
- #endif
  static int  pc_attr;
  static int  pc_row;
  static int  pc_col;
--- 1648,1654 ----
***************
*** 6819,6829 ****
      char_u	*s;
  
      vim_free(last_insert);
- #ifdef FEAT_MBYTE
      last_insert = alloc(MB_MAXBYTES * 3 + 5);
- #else
-     last_insert = alloc(6);
- #endif
      if (last_insert != NULL)
      {
  	s = last_insert;
--- 6815,6821 ----
***************
*** 6861,6867 ****
      char_u	*s;
  {
  #ifdef FEAT_MBYTE
!     char_u	temp[MB_MAXBYTES];
      int		i;
      int		len;
  
--- 6853,6859 ----
      char_u	*s;
  {
  #ifdef FEAT_MBYTE
!     char_u	temp[MB_MAXBYTES + 1];
      int		i;
      int		len;
  
***************
*** 7423,7429 ****
      int		cc;
  {
      int		n;
!     char_u	buf[MB_MAXBYTES];
      int		i;
      int		c;
  
--- 7415,7421 ----
      int		cc;
  {
      int		n;
!     char_u	buf[MB_MAXBYTES + 1];
      int		i;
      int		c;
  
***************
*** 10109,10119 ****
      int c;
  {
      char_u	*res;
- #ifdef FEAT_MBYTE
      char_u	buf[MB_MAXBYTES + 1];
- #else
-     char_u	buf[2];
- #endif
  
      /* Return quickly when there is nothing to do. */
      if (!has_insertcharpre())
--- 10101,10107 ----
*** ../vim-7.3.534/src/eval.c	2012-05-18 18:34:15.000000000 +0200
--- src/eval.c	2012-06-01 15:02:08.000000000 +0200
***************
*** 19170,19180 ****
  set_vim_var_char(c)
      int c;
  {
! #ifdef FEAT_MBYTE
!     char_u	buf[MB_MAXBYTES];
! #else
!     char_u	buf[2];
! #endif
  
  #ifdef FEAT_MBYTE
      if (has_mbyte)
--- 19170,19176 ----
  set_vim_var_char(c)
      int c;
  {
!     char_u	buf[MB_MAXBYTES + 1];
  
  #ifdef FEAT_MBYTE
      if (has_mbyte)
*** ../vim-7.3.534/src/getchar.c	2012-04-05 16:07:01.000000000 +0200
--- src/getchar.c	2012-06-01 15:03:51.000000000 +0200
***************
*** 723,729 ****
      int				c;
  #ifdef FEAT_MBYTE
      int				n;
!     char_u			buf[MB_MAXBYTES];
      int				i;
  #endif
  
--- 723,729 ----
      int				c;
  #ifdef FEAT_MBYTE
      int				n;
!     char_u			buf[MB_MAXBYTES + 1];
      int				i;
  #endif
  
***************
*** 1072,1078 ****
      int	    c;
  {
  #ifdef FEAT_MBYTE
!     char_u	buf[MB_MAXBYTES];
  #else
      char_u	buf[4];
  #endif
--- 1072,1078 ----
      int	    c;
  {
  #ifdef FEAT_MBYTE
!     char_u	buf[MB_MAXBYTES + 1];
  #else
      char_u	buf[4];
  #endif
***************
*** 1547,1553 ****
      int		c, c2;
  #ifdef FEAT_MBYTE
      int		n;
!     char_u	buf[MB_MAXBYTES];
      int		i;
  #endif
  
--- 1547,1553 ----
      int		c, c2;
  #ifdef FEAT_MBYTE
      int		n;
!     char_u	buf[MB_MAXBYTES + 1];
      int		i;
  #endif
  
***************
*** 4335,4345 ****
      int		scol;		/* starting column of the abbr. */
      int		j;
      char_u	*s;
- #ifdef FEAT_MBYTE
      char_u	tb[MB_MAXBYTES + 4];
- #else
-     char_u	tb[4];
- #endif
      mapblock_T	*mp;
  #ifdef FEAT_LOCALMAP
      mapblock_T	*mp2;
--- 4335,4341 ----
*** ../vim-7.3.534/src/mbyte.c	2012-03-07 19:38:52.000000000 +0100
--- src/mbyte.c	2012-06-01 15:04:27.000000000 +0200
***************
*** 708,714 ****
  	     */
  	    n = (i & 0x80) ? 2 : 1;
  # else
! 	    char buf[MB_MAXBYTES];
  # ifdef X_LOCALE
  #  ifndef mblen
  #   define mblen _Xmblen
--- 708,714 ----
  	     */
  	    n = (i & 0x80) ? 2 : 1;
  # else
! 	    char buf[MB_MAXBYTES + 1];
  # ifdef X_LOCALE
  #  ifndef mblen
  #   define mblen _Xmblen
***************
*** 1953,1959 ****
  /*
   * Convert the character at screen position "off" to a sequence of bytes.
   * Includes the composing characters.
!  * "buf" must at least have the length MB_MAXBYTES.
   * Only to be used when ScreenLinesUC[off] != 0.
   * Returns the produced number of bytes.
   */
--- 1953,1959 ----
  /*
   * Convert the character at screen position "off" to a sequence of bytes.
   * Includes the composing characters.
!  * "buf" must at least have the length MB_MAXBYTES + 1.
   * Only to be used when ScreenLinesUC[off] != 0.
   * Returns the produced number of bytes.
   */
*** ../vim-7.3.534/src/misc1.c	2012-04-30 21:09:38.000000000 +0200
--- src/misc1.c	2012-06-01 15:04:56.000000000 +0200
***************
*** 1932,1938 ****
      int		c;
  {
  #if defined(FEAT_MBYTE) || defined(PROTO)
!     char_u	buf[MB_MAXBYTES];
      int		n;
  
      n = (*mb_char2bytes)(c, buf);
--- 1932,1938 ----
      int		c;
  {
  #if defined(FEAT_MBYTE) || defined(PROTO)
!     char_u	buf[MB_MAXBYTES + 1];
      int		n;
  
      n = (*mb_char2bytes)(c, buf);
*** ../vim-7.3.534/src/screen.c	2012-03-23 16:25:13.000000000 +0100
--- src/screen.c	2012-06-01 15:06:03.000000000 +0200
***************
*** 6621,6636 ****
      int	    row, col;
      int	    attr;
  {
- #ifdef FEAT_MBYTE
      char_u	buf[MB_MAXBYTES + 1];
  
!     buf[(*mb_char2bytes)(c, buf)] = NUL;
! #else
!     char_u	buf[2];
! 
!     buf[0] = c;
!     buf[1] = NUL;
  #endif
      screen_puts(buf, row, col, attr);
  }
  
--- 6621,6637 ----
      int	    row, col;
      int	    attr;
  {
      char_u	buf[MB_MAXBYTES + 1];
  
! #ifdef FEAT_MBYTE
!     if (has_mbyte)
! 	buf[(*mb_char2bytes)(c, buf)] = NUL;
!     else
  #endif
+     {
+ 	buf[0] = c;
+ 	buf[1] = NUL;
+     }
      screen_puts(buf, row, col, attr);
  }
  
*** ../vim-7.3.534/src/spell.c	2012-05-18 18:07:57.000000000 +0200
--- src/spell.c	2012-06-01 15:06:30.000000000 +0200
***************
*** 13694,13700 ****
  {
      int		m1, m2;
  #ifdef FEAT_MBYTE
!     char_u	buf[MB_MAXBYTES];
      hashitem_T  *hi;
  
      if (c1 >= 256)
--- 13694,13700 ----
  {
      int		m1, m2;
  #ifdef FEAT_MBYTE
!     char_u	buf[MB_MAXBYTES + 1];
      hashitem_T  *hi;
  
      if (c1 >= 256)
*** ../vim-7.3.534/src/vim.h	2012-04-30 18:48:38.000000000 +0200
--- src/vim.h	2012-06-01 14:59:28.000000000 +0200
***************
*** 1703,1708 ****
--- 1703,1710 ----
   * character of up to 6 bytes, or one 16-bit character of up to three bytes
   * plus six following composing characters of three bytes each. */
  # define MB_MAXBYTES	21
+ #else
+ # define MB_MAXBYTES	1
  #endif
  
  #if (defined(FEAT_PROFILE) || defined(FEAT_RELTIME)) && !defined(PROTO)
***************
*** 2017,2022 ****
--- 2019,2025 ----
   #pragma warning(disable : 4312)
  #endif
  
+ /* Note: a NULL argument for vim_realloc() is not portable, don't use it. */
  #if defined(MEM_PROFILE)
  # define vim_realloc(ptr, size)  mem_realloc((ptr), (size))
  #else
*** ../vim-7.3.534/src/version.c	2012-06-01 14:57:47.000000000 +0200
--- src/version.c	2012-06-01 15:08:20.000000000 +0200
***************
*** 716,717 ****
--- 716,719 ----
  {   /* Add new patch number below this line */
+ /**/
+     535,
  /**/
 
-- 
Me?  A skeptic?  I trust you have proof.
 
 /// 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    ///

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