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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: bash42-004
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Bug-Reported-by: Mike Frysinger <vapier@gentoo.org>
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Bug-Reference-ID: <201102182106.17834.vapier@gentoo.org>
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Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-bash/2011-02/msg00222.html
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Bug-Description:
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When used in contexts where word splitting and quote removal were not
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performed, such as pattern removal or pattern substitution, empty strings
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(either literal or resulting from quoted variables that were unset or
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null) were not matched correctly, resulting in failure.
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Patch (apply with `patch -p0'):
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*** ../bash-4.2-patched/subst.c 2011-01-02 16:12:51.000000000 -0500
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--- subst.c 2011-02-18 22:30:13.000000000 -0500
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***************
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*** 3373,3379 ****
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if (string == 0 || *string == '\0')
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return (WORD_LIST *)NULL;
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! td.flags = 0;
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td.word = string;
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tresult = call_expand_word_internal (&td, quoted, 1, dollar_at_p, has_dollar_at);
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return (tresult);
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--- 3373,3379 ----
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if (string == 0 || *string == '\0')
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return (WORD_LIST *)NULL;
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! td.flags = W_NOSPLIT2; /* no splitting, remove "" and '' */
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td.word = string;
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tresult = call_expand_word_internal (&td, quoted, 1, dollar_at_p, has_dollar_at);
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return (tresult);
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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 3
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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 4
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#endif /* _PATCHLEVEL_H_ */
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