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Subject: Patch 7.2.435

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From: Bram Moolenaar <[email protected]>

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

Patch 7.2.435 (after 7.2.430)

Problem:    Crash when using bad_char_idx uninitialized. (Patrick Texier)

Solution:   Don't use bad_char_idx, reproduce the ++bad argument from bad_char.

Files:	    src/eval.c, src/ex_cmds.h, src/ex_docmd.c

*** ../vim-7.2.434/src/eval.c	2010-05-14 20:41:00.000000000 +0200

--- src/eval.c	2010-05-16 13:19:04.000000000 +0200

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

*** 18309,18316 ****

  # ifdef FEAT_MBYTE

      if (eap->force_enc != 0)

  	len += (unsigned)STRLEN(eap->cmd + eap->force_enc) + 7;

!     if (eap->bad_char_idx != 0)

! 	len += (unsigned)STRLEN(eap->cmd + eap->bad_char_idx) + 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 != 0)

! 	len += 7 + 4;  /* " ++bad=" + "keep" or "drop" */

  # 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_idx != 0)

! 	sprintf((char *)newval + STRLEN(newval), " ++bad=%s",

! 					       eap->cmd + eap->bad_char_idx);

  # endif

      vimvars[VV_CMDARG].vv_str = newval;

      return oldval;

--- 18334,18345 ----

      if (eap->force_enc != 0)

  	sprintf((char *)newval + STRLEN(newval), " ++enc=%s",

  					       eap->cmd + eap->force_enc);

!     if (eap->bad_char == BAD_KEEP)

! 	STRCPY(newval + STRLEN(newval), " ++bad=keep");

!     else if (eap->bad_char == BAD_DROP)

! 	STRCPY(newval + STRLEN(newval), " ++bad=drop");

!     else if (eap->bad_char != 0)

! 	sprintf((char *)newval + STRLEN(newval), " ++bad=%c", eap->bad_char);

  # endif

      vimvars[VV_CMDARG].vv_str = newval;

      return oldval;

*** ../vim-7.2.434/src/ex_cmds.h	2010-05-14 20:41:00.000000000 +0200

--- src/ex_cmds.h	2010-05-16 13:03:53.000000000 +0200

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

*** 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 */

--- 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_KEEP, BAD_DROP or replacement byte */

  #endif

  #ifdef FEAT_USR_CMDS

      int		useridx;	/* user command index */

*** ../vim-7.2.434/src/ex_docmd.c	2010-05-14 20:41:00.000000000 +0200

--- src/ex_docmd.c	2010-05-16 13:13:30.000000000 +0200

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

*** 4688,4693 ****

--- 4688,4694 ----

      char_u	*arg = eap->arg + 2;

      int		*pp = NULL;

  #ifdef FEAT_MBYTE

+     int		bad_char_idx;

      char_u	*p;

  #endif

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

*** 4739,4745 ****

      else if (STRNCMP(arg, "bad", 3) == 0)

      {

  	arg += 3;

! 	pp = &eap->bad_char_idx;

      }

  #endif

--- 4740,4746 ----

      else if (STRNCMP(arg, "bad", 3) == 0)

      {

  	arg += 3;

! 	pp = &bad_char_idx;

      }

  #endif

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

*** 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)

--- 4771,4777 ----

      {

  	/* Check ++bad= argument.  Must be a single-byte character, "keep" or

  	 * "drop". */

! 	p = eap->cmd + bad_char_idx;

  	if (STRICMP(p, "keep") == 0)

  	    eap->bad_char = BAD_KEEP;

  	else if (STRICMP(p, "drop") == 0)

*** ../vim-7.2.434/src/version.c	2010-05-16 12:32:37.000000000 +0200

--- src/version.c	2010-05-16 13:24:39.000000000 +0200

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

*** 683,684 ****

--- 683,686 ----

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

+ /**/

+     435,

  /**/

-- 

hundred-and-one symptoms of being an internet addict:

45. You buy a Captain Kirk chair with a built-in keyboard and mouse.

 /// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net   \\\

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