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BASH PATCH REPORT
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=================
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Bash-Release: 4.2
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Patch-ID: bash42-032
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Bug-Reported-by: Ruediger Kuhlmann <RKuhlmann@orga-systems.com>
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Bug-Reference-ID: <OFDE975207.0C3622E5-ONC12579F3.00361A06-C12579F3.00365E39@orga-systems.com>
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Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-bash/2012-05/msg00010.html
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Bug-Description:
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Bash-4.2 has problems with DEL characters in the expanded value of variables
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used in the same quoted string as variables that expand to nothing.
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Patch (apply with `patch -p0'):
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*** ../bash-20120427/subst.c 2012-04-22 16:19:10.000000000 -0400
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--- subst.c 2012-05-07 16:06:35.000000000 -0400
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***************
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*** 8152,8155 ****
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--- 8152,8163 ----
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dispose_word_desc (tword);
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+ /* Kill quoted nulls; we will add them back at the end of
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+ expand_word_internal if nothing else in the string */
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+ if (had_quoted_null && temp && QUOTED_NULL (temp))
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+ {
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+ FREE (temp);
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+ temp = (char *)NULL;
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+ }
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+
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goto add_string;
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break;
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***************
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*** 8556,8560 ****
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if (quoted & (Q_HERE_DOCUMENT|Q_DOUBLE_QUOTES))
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tword->flags |= W_QUOTED;
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! if (had_quoted_null)
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tword->flags |= W_HASQUOTEDNULL;
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list = make_word_list (tword, (WORD_LIST *)NULL);
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--- 8564,8568 ----
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if (quoted & (Q_HERE_DOCUMENT|Q_DOUBLE_QUOTES))
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tword->flags |= W_QUOTED;
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! if (had_quoted_null && QUOTED_NULL (istring))
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tword->flags |= W_HASQUOTEDNULL;
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list = make_word_list (tword, (WORD_LIST *)NULL);
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***************
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*** 8587,8591 ****
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if (word->flags & W_NOEXPAND)
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tword->flags |= W_NOEXPAND;
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! if (had_quoted_null)
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tword->flags |= W_HASQUOTEDNULL; /* XXX */
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list = make_word_list (tword, (WORD_LIST *)NULL);
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--- 8595,8599 ----
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if (word->flags & W_NOEXPAND)
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tword->flags |= W_NOEXPAND;
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! if (had_quoted_null && QUOTED_NULL (istring))
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tword->flags |= W_HASQUOTEDNULL; /* XXX */
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list = make_word_list (tword, (WORD_LIST *)NULL);
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*** ../bash-4.2-patched/patchlevel.h Sat Jun 12 20:14:48 2010
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--- patchlevel.h Thu Feb 24 21:41:34 2011
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***************
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*** 26,30 ****
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looks for to find the patch level (for the sccs version string). */
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! #define PATCHLEVEL 31
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#endif /* _PATCHLEVEL_H_ */
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--- 26,30 ----
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looks for to find the patch level (for the sccs version string). */
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! #define PATCHLEVEL 32
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#endif /* _PATCHLEVEL_H_ */
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