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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: bash42-001
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Bug-Reported-by: Juergen Daubert <jue@jue.li>
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Bug-Reference-ID: <20110214175132.GA19813@jue.netz>
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Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-bash/2011-02/msg00125.html
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Bug-Description:
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When running in Posix mode, bash does not correctly expand the right-hand
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side of a double-quoted word expansion containing single quotes.
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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 2011-02-19 00:00:00.000000000 -0500
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***************
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*** 1380,1387 ****
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/* The handling of dolbrace_state needs to agree with the code in parse.y:
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! parse_matched_pair() */
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! dolbrace_state = 0;
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! if (quoted & (Q_HERE_DOCUMENT|Q_DOUBLE_QUOTES))
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! dolbrace_state = (flags & SX_POSIXEXP) ? DOLBRACE_QUOTE : DOLBRACE_PARAM;
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i = *sindex;
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--- 1380,1389 ----
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/* The handling of dolbrace_state needs to agree with the code in parse.y:
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! parse_matched_pair(). The different initial value is to handle the
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! case where this function is called to parse the word in
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! ${param op word} (SX_WORD). */
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! dolbrace_state = (flags & SX_WORD) ? DOLBRACE_WORD : DOLBRACE_PARAM;
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! if ((quoted & (Q_HERE_DOCUMENT|Q_DOUBLE_QUOTES)) && (flags & SX_POSIXEXP))
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! dolbrace_state = DOLBRACE_QUOTE;
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i = *sindex;
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***************
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*** 7177,7181 ****
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/* Extract the contents of the ${ ... } expansion
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according to the Posix.2 rules. */
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! value = extract_dollar_brace_string (string, &sindex, quoted, (c == '%' || c == '#') ? SX_POSIXEXP : 0);
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if (string[sindex] == RBRACE)
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sindex++;
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--- 7181,7185 ----
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/* Extract the contents of the ${ ... } expansion
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according to the Posix.2 rules. */
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! value = extract_dollar_brace_string (string, &sindex, quoted, (c == '%' || c == '#' || c =='/' || c == '^' || c == ',' || c ==':') ? SX_POSIXEXP|SX_WORD : SX_WORD);
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if (string[sindex] == RBRACE)
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sindex++;
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*** ../bash-4.2-patched/subst.h 2010-12-02 20:21:29.000000000 -0500
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--- subst.h 2011-02-16 21:12:09.000000000 -0500
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***************
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*** 57,60 ****
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--- 57,61 ----
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#define SX_ARITHSUB 0x0080 /* extracting $(( ... )) (currently unused) */
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#define SX_POSIXEXP 0x0100 /* extracting new Posix pattern removal expansions in extract_dollar_brace_string */
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+ #define SX_WORD 0x0200 /* extracting word in ${param op word} */
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/* Remove backslashes which are quoting backquotes from STRING. Modifies
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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 0
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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 1
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#endif /* _PATCHLEVEL_H_ */
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