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BASH PATCH REPORT
=================
Bash-Release: 4.2
Patch-ID: bash42-032
Bug-Reported-by: Ruediger Kuhlmann <RKuhlmann@orga-systems.com>
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_ */
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