To: vim-dev@vim.org
Subject: Patch 7.2.430
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
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------------
 
Patch 7.2.430
Problem:    The ++bad argument is handled wrong, resulting in an invalid
	    memory access.
Solution:   Use the bad_char field only for the replacement character, add
	    bad_char_idx to store the position. (Dominique Pelle)
Files:	    src/eval.c, src/ex_cmds.h, src/ex_docmd.c
 
 
*** ../vim-7.2.429/src/eval.c	2010-05-14 12:16:19.000000000 +0200
--- src/eval.c	2010-05-14 19:04:53.000000000 +0200
***************
*** 18309,18316 ****
  # ifdef FEAT_MBYTE
      if (eap->force_enc != 0)
  	len += (unsigned)STRLEN(eap->cmd + eap->force_enc) + 7;
!     if (eap->bad_char != 0)
! 	len += (unsigned)STRLEN(eap->cmd + eap->bad_char) + 7;
  # endif
  
      newval = alloc(len + 1);
--- 18309,18316 ----
  # ifdef FEAT_MBYTE
      if (eap->force_enc != 0)
  	len += (unsigned)STRLEN(eap->cmd + eap->force_enc) + 7;
!     if (eap->bad_char_idx != 0)
! 	len += (unsigned)STRLEN(eap->cmd + eap->bad_char_idx) + 7;
  # endif
  
      newval = alloc(len + 1);
***************
*** 18334,18342 ****
      if (eap->force_enc != 0)
  	sprintf((char *)newval + STRLEN(newval), " ++enc=%s",
  					       eap->cmd + eap->force_enc);
!     if (eap->bad_char != 0)
  	sprintf((char *)newval + STRLEN(newval), " ++bad=%s",
! 					       eap->cmd + eap->bad_char);
  # endif
      vimvars[VV_CMDARG].vv_str = newval;
      return oldval;
--- 18334,18342 ----
      if (eap->force_enc != 0)
  	sprintf((char *)newval + STRLEN(newval), " ++enc=%s",
  					       eap->cmd + eap->force_enc);
!     if (eap->bad_char_idx != 0)
  	sprintf((char *)newval + STRLEN(newval), " ++bad=%s",
! 					       eap->cmd + eap->bad_char_idx);
  # endif
      vimvars[VV_CMDARG].vv_str = newval;
      return oldval;
*** ../vim-7.2.429/src/ex_cmds.h	2010-05-14 15:42:49.000000000 +0200
--- src/ex_cmds.h	2010-05-14 20:23:20.000000000 +0200
***************
*** 1152,1158 ****
      int		force_ff;	/* ++ff= argument (index in cmd[]) */
  #ifdef FEAT_MBYTE
      int		force_enc;	/* ++enc= argument (index in cmd[]) */
!     int		bad_char;	/* ++bad= argument (index in cmd[]) */
  #endif
  #ifdef FEAT_USR_CMDS
      int		useridx;	/* user command index */
--- 1152,1159 ----
      int		force_ff;	/* ++ff= argument (index in cmd[]) */
  #ifdef FEAT_MBYTE
      int		force_enc;	/* ++enc= argument (index in cmd[]) */
!     int		bad_char_idx;	/* ++bad= argument (index in cmd[]) */
!     int		bad_char;	/* BAD_KEEP, BAD_DROP or replacement char */
  #endif
  #ifdef FEAT_USR_CMDS
      int		useridx;	/* user command index */
*** ../vim-7.2.429/src/ex_docmd.c	2010-05-14 15:28:37.000000000 +0200
--- src/ex_docmd.c	2010-05-14 19:04:53.000000000 +0200
***************
*** 4739,4745 ****
      else if (STRNCMP(arg, "bad", 3) == 0)
      {
  	arg += 3;
! 	pp = &eap->bad_char;
      }
  #endif
  
--- 4739,4745 ----
      else if (STRNCMP(arg, "bad", 3) == 0)
      {
  	arg += 3;
! 	pp = &eap->bad_char_idx;
      }
  #endif
  
***************
*** 4770,4776 ****
      {
  	/* Check ++bad= argument.  Must be a single-byte character, "keep" or
  	 * "drop". */
! 	p = eap->cmd + eap->bad_char;
  	if (STRICMP(p, "keep") == 0)
  	    eap->bad_char = BAD_KEEP;
  	else if (STRICMP(p, "drop") == 0)
--- 4770,4776 ----
      {
  	/* Check ++bad= argument.  Must be a single-byte character, "keep" or
  	 * "drop". */
! 	p = eap->cmd + eap->bad_char_idx;
  	if (STRICMP(p, "keep") == 0)
  	    eap->bad_char = BAD_KEEP;
  	else if (STRICMP(p, "drop") == 0)
*** ../vim-7.2.429/src/version.c	2010-05-14 18:56:33.000000000 +0200
--- src/version.c	2010-05-14 20:39:38.000000000 +0200
***************
*** 683,684 ****
--- 683,686 ----
  {   /* Add new patch number below this line */
+ /**/
+     430,
  /**/
 
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 /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
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