author | Stefan Teleman <stefan.teleman@oracle.com> |
Wed, 24 Sep 2014 13:11:40 -0700 | |
changeset 2111 | 4988638320c4 |
permissions | -rw-r--r-- |
2111
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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: bash42-046 |
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Bug-Reported-by: "Theodoros V. Kalamatianos" <[email protected]> |
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Bug-Reference-ID: <[email protected]> |
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Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-bash/2014-01/msg00044.html |
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Bug-Description: |
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Bash-4.2 patch 32 introduced a problem with "$@" and arrays expanding empty |
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positional parameters or array elements when using substring expansion, |
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pattern substitution, or case modfication. The empty parameters or array |
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elements are removed instead of expanding to empty strings (""). |
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Patch (apply with `patch -p0'): |
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*** ../bash-4.2-patched/subst.c 2012-12-31 11:52:56.000000000 -0500 |
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--- subst.c 2014-03-31 14:19:56.000000000 -0400 |
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*************** |
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*** 7243,7247 **** |
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ret = alloc_word_desc (); |
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ret->word = temp1; |
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! if (temp1 && QUOTED_NULL (temp1) && (quoted & (Q_HERE_DOCUMENT|Q_DOUBLE_QUOTES))) |
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ret->flags |= W_QUOTED|W_HASQUOTEDNULL; |
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return ret; |
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--- 7243,7253 ---- |
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ret = alloc_word_desc (); |
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ret->word = temp1; |
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! /* We test quoted_dollar_atp because we want variants with double-quoted |
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! "$@" to take a different code path. In fact, we make sure at the end |
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! of expand_word_internal that we're only looking at these flags if |
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! quoted_dollar_at == 0. */ |
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! if (temp1 && |
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! (quoted_dollar_atp == 0 || *quoted_dollar_atp == 0) && |
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! QUOTED_NULL (temp1) && (quoted & (Q_HERE_DOCUMENT|Q_DOUBLE_QUOTES))) |
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ret->flags |= W_QUOTED|W_HASQUOTEDNULL; |
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return ret; |
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41 |
*** ../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 45 |
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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 46 |
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#endif /* _PATCHLEVEL_H_ */ |