7 Bug-Reported-by: Mark Edgar <medgar123@gmail.com>
8 Bug-Reference-ID: <CABHMh_3d+ZgO_zaEtYXPwK4P7tC0ghZ4g=Ue_TRpsEMf5YDsqw@mail.gmail.com>
9 Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-bash/2012-03/msg00109.html
13 When using a word expansion for which the right hand side is evaluated,
14 certain expansions of quoted null strings include spurious ^? characters.
16 Patch (apply with `patch -p0'):
18 *** ../bash-4.2-patched/subst.c 2012-03-11 17:35:13.000000000 -0400
19 --- subst.c 2012-03-20 19:30:13.000000000 -0400
23 if (qdollaratp && ((hasdol && quoted) || l->next))
25 + /* If we have a quoted null result (QUOTED_NULL(temp)) and the word is
26 + a quoted null (l->next == 0 && QUOTED_NULL(l->word->word)), the
27 + flags indicate it (l->word->flags & W_HASQUOTEDNULL), and the
28 + expansion is quoted (quoted & (Q_HERE_DOCUMENT|Q_DOUBLE_QUOTES))
29 + (which is more paranoia than anything else), we need to return the
30 + quoted null string and set the flags to indicate it. */
31 + if (l->next == 0 && (quoted & (Q_HERE_DOCUMENT|Q_DOUBLE_QUOTES)) && QUOTED_NULL(temp) && QUOTED_NULL(l->word->word) && (l->word->flags & W_HASQUOTEDNULL))
33 + w->flags |= W_HASQUOTEDNULL;
38 *** ../bash-4.2-patched/patchlevel.h Sat Jun 12 20:14:48 2010
39 --- patchlevel.h Thu Feb 24 21:41:34 2011
42 looks for to find the patch level (for the sccs version string). */
44 ! #define PATCHLEVEL 27
46 #endif /* _PATCHLEVEL_H_ */
48 looks for to find the patch level (for the sccs version string). */
50 ! #define PATCHLEVEL 28
52 #endif /* _PATCHLEVEL_H_ */