BASH PATCH REPORT

			     =================

Bash-Release:	4.2

Patch-ID:	bash42-032

Bug-Reported-by:	Ruediger Kuhlmann <[email protected]>

Bug-Reference-ID:	<OFDE975207.0C3622E5-ONC12579F3.00361A06-C12579F3.00365E39@orga-systems.com>

Bug-Reference-URL:	http://lists.gnu.org/archive/html/bug-bash/2012-05/msg00010.html

Bug-Description:

Bash-4.2 has problems with DEL characters in the expanded value of variables

used in the same quoted string as variables that expand to nothing.

Patch (apply with `patch -p0'):

*** ../bash-20120427/subst.c	2012-04-22 16:19:10.000000000 -0400

--- subst.c	2012-05-07 16:06:35.000000000 -0400

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

*** 8152,8155 ****

--- 8152,8163 ----

  	  dispose_word_desc (tword);

+ 	  /* Kill quoted nulls; we will add them back at the end of

+ 	     expand_word_internal if nothing else in the string */

+ 	  if (had_quoted_null && temp && QUOTED_NULL (temp))

+ 	    {

+ 	      FREE (temp);

+ 	      temp = (char *)NULL;

+ 	    }

+ 

  	  goto add_string;

  	  break;

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

*** 8556,8560 ****

        if (quoted & (Q_HERE_DOCUMENT|Q_DOUBLE_QUOTES))

  	tword->flags |= W_QUOTED;

!       if (had_quoted_null)

  	tword->flags |= W_HASQUOTEDNULL;

        list = make_word_list (tword, (WORD_LIST *)NULL);

--- 8564,8568 ----

        if (quoted & (Q_HERE_DOCUMENT|Q_DOUBLE_QUOTES))

  	tword->flags |= W_QUOTED;

!       if (had_quoted_null && QUOTED_NULL (istring))

  	tword->flags |= W_HASQUOTEDNULL;

        list = make_word_list (tword, (WORD_LIST *)NULL);

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

*** 8587,8591 ****

  	  if (word->flags & W_NOEXPAND)

  	    tword->flags |= W_NOEXPAND;

! 	  if (had_quoted_null)

  	    tword->flags |= W_HASQUOTEDNULL;	/* XXX */

  	  list = make_word_list (tword, (WORD_LIST *)NULL);

--- 8595,8599 ----

  	  if (word->flags & W_NOEXPAND)

  	    tword->flags |= W_NOEXPAND;

! 	  if (had_quoted_null && QUOTED_NULL (istring))

  	    tword->flags |= W_HASQUOTEDNULL;	/* XXX */

  	  list = make_word_list (tword, (WORD_LIST *)NULL);

*** ../bash-4.2-patched/patchlevel.h	Sat Jun 12 20:14:48 2010

--- patchlevel.h	Thu Feb 24 21:41:34 2011

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

*** 26,30 ****

     looks for to find the patch level (for the sccs version string). */

! #define PATCHLEVEL 31

  #endif /* _PATCHLEVEL_H_ */

--- 26,30 ----

     looks for to find the patch level (for the sccs version string). */

! #define PATCHLEVEL 32

  #endif /* _PATCHLEVEL_H_ */