bash42-032

   1                              BASH PATCH REPORT
   2                              =================
   3
   4 Bash-Release:   4.2
   5 Patch-ID:       bash42-032
   6
   7 Bug-Reported-by:        Ruediger Kuhlmann <RKuhlmann@orga-systems.com>
   8 Bug-Reference-ID:       <OFDE975207.0C3622E5-ONC12579F3.00361A06-C12579F3.00365E39@orga-systems.com>
   9 Bug-Reference-URL:      http://lists.gnu.org/archive/html/bug-bash/2012-05/msg00010.html
  10
  11 Bug-Description:
  12
  13 Bash-4.2 has problems with DEL characters in the expanded value of variables
  14 used in the same quoted string as variables that expand to nothing.
  15
  16 Patch (apply with `patch -p0'):
  17
  18 *** ../bash-20120427/subst.c    2012-04-22 16:19:10.000000000 -0400
  19 --- subst.c     2012-05-07 16:06:35.000000000 -0400
  20 ***************
  21 *** 8152,8155 ****
  22 --- 8152,8163 ----
  23           dispose_word_desc (tword);
  24
  25 +         /* Kill quoted nulls; we will add them back at the end of
  26 +            expand_word_internal if nothing else in the string */
  27 +         if (had_quoted_null && temp && QUOTED_NULL (temp))
  28 +           {
  29 +             FREE (temp);
  30 +             temp = (char *)NULL;
  31 +           }
  32 +
  33           goto add_string;
  34           break;
  35 ***************
  36 *** 8556,8560 ****
  37         if (quoted & (Q_HERE_DOCUMENT|Q_DOUBLE_QUOTES))
  38         tword->flags |= W_QUOTED;
  39 !       if (had_quoted_null)
  40         tword->flags |= W_HASQUOTEDNULL;
  41         list = make_word_list (tword, (WORD_LIST *)NULL);
  42 --- 8564,8568 ----
  43         if (quoted & (Q_HERE_DOCUMENT|Q_DOUBLE_QUOTES))
  44         tword->flags |= W_QUOTED;
  45 !       if (had_quoted_null && QUOTED_NULL (istring))
  46         tword->flags |= W_HASQUOTEDNULL;
  47         list = make_word_list (tword, (WORD_LIST *)NULL);
  48 ***************
  49 *** 8587,8591 ****
  50           if (word->flags & W_NOEXPAND)
  51             tword->flags |= W_NOEXPAND;
  52 !         if (had_quoted_null)
  53             tword->flags |= W_HASQUOTEDNULL;    /* XXX */
  54           list = make_word_list (tword, (WORD_LIST *)NULL);
  55 --- 8595,8599 ----
  56           if (word->flags & W_NOEXPAND)
  57             tword->flags |= W_NOEXPAND;
  58 !         if (had_quoted_null && QUOTED_NULL (istring))
  59             tword->flags |= W_HASQUOTEDNULL;    /* XXX */
  60           list = make_word_list (tword, (WORD_LIST *)NULL);
  61 *** ../bash-4.2-patched/patchlevel.h    Sat Jun 12 20:14:48 2010
  62 --- patchlevel.h        Thu Feb 24 21:41:34 2011
  63 ***************
  64 *** 26,30 ****
  65      looks for to find the patch level (for the sccs version string). */
  66
  67 ! #define PATCHLEVEL 31
  68
  69   #endif /* _PATCHLEVEL_H_ */
  70 --- 26,30 ----
  71      looks for to find the patch level (for the sccs version string). */
  72
  73 ! #define PATCHLEVEL 32
  74
  75   #endif /* _PATCHLEVEL_H_ */