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BASH PATCH REPORT
=================
Bash-Release: 5.0
Patch-ID: bash50-018
Bug-Reported-by: oguzismailuysal@gmail.com
Bug-Reference-ID:
Bug-Reference-URL: https://lists.gnu.org/archive/html/bug-bash/2019-10/msg00098.html
Bug-Description:
In certain cases, bash does not perform quoted null removal on patterns
that are used as part of word expansions such as ${parameter##pattern}, so
empty patterns are treated as non-empty.
Patch (apply with `patch -p0'):
*** ../bash-5.0.17/subst.c 2020-04-02 17:14:58.000000000 -0400
--- subst.c 2020-07-09 15:28:19.000000000 -0400
***************
*** 5113,5116 ****
--- 5113,5118 ----
(int *)NULL, (int *)NULL)
: (WORD_LIST *)0;
+ if (l)
+ word_list_remove_quoted_nulls (l);
pat = string_list (l);
dispose_words (l);
*** ../bash-5.0/patchlevel.h 2016-06-22 14:51:03.000000000 -0400
--- patchlevel.h 2016-10-01 11:01:28.000000000 -0400
***************
*** 26,30 ****
looks for to find the patch level (for the sccs version string). */
! #define PATCHLEVEL 17
#endif /* _PATCHLEVEL_H_ */
--- 26,30 ----
looks for to find the patch level (for the sccs version string). */
! #define PATCHLEVEL 18
#endif /* _PATCHLEVEL_H_ */
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