On 1/8/19 3:50 PM, a...@freakout.de wrote:
> Configuration Information [Automatically generated, do not change]:
> Machine: i686
> OS: linux-gnu
> Compiler: gcc
> Compilation CFLAGS: -fstack-protector -Wno-parentheses -Wno-format-security
> uname output: Linux bongo 2.6.32-042stab134.8 #1 SMP Fri Dec 7 17:16:09 MSK
> 2018 i686 i686 i386 GNU/Linux
> Machine Type: i686-pc-linux-gnu
>
> Bash Version: 5.0
> Patch Level: 0
> Release Status: release
>
> Description:
> This script "weirdbackslashes":
>
> $ cat weirdbackslashes
> #===begin
> PRE='\/'
> echo 'define'${PRE}'\
> /'
> #===end
>
> produces with bash4:
> $ bash weirdbackslashes
> define\/\
> /
>
> and with bash5:
> $ bash5 weirdbackslashes
> \d\e\f\i\n\e\/\\\
> /
This was literally the last change I made. I guess I'll have to do it a
different way. The attached patch will fix it.
Chet
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU c...@case.edu http://tiswww.cwru.edu/~chet/
*** ../bash-5.0/bashline.c 2018-11-27 13:20:16.000000000 -0500
--- bashline.c 2019-01-09 09:44:26.000000000 -0500
***************
*** 232,235 ****
--- 232,236 ----
static int bash_possible_command_completions __P((int, int));
+ static int completion_glob_pattern __P((const char *));
static char *glob_complete_word __P((const char *, int));
static int bash_glob_completion_internal __P((int));
***************
*** 1742,1746 ****
/* This could be a globbing pattern, so try to expand it using pathname
expansion. */
! if (!matches && glob_pattern_p (text))
{
matches = rl_completion_matches (text, glob_complete_word);
--- 1743,1747 ----
/* This could be a globbing pattern, so try to expand it using pathname
expansion. */
! if (!matches && completion_glob_pattern (text))
{
matches = rl_completion_matches (text, glob_complete_word);
***************
*** 1851,1855 ****
}
! globpat = glob_pattern_p (hint_text);
/* If this is an absolute program name, do not check it against
--- 1852,1856 ----
}
! globpat = completion_glob_pattern (hint_text);
/* If this is an absolute program name, do not check it against
***************
*** 3714,3717 ****
--- 3715,3773 ----
}
+ static int
+ completion_glob_pattern (string)
+ const char *string;
+ {
+ register int c;
+ char *send;
+ int open;
+
+ DECLARE_MBSTATE;
+
+ open = 0;
+ send = string + strlen (string);
+
+ while (c = *string++)
+ {
+ switch (c)
+ {
+ case '?':
+ case '*':
+ return (1);
+
+ case '[':
+ open++;
+ continue;
+
+ case ']':
+ if (open)
+ return (1);
+ continue;
+
+ case '+':
+ case '@':
+ case '!':
+ if (*string == '(') /*)*/
+ return (1);
+ continue;
+
+ case '\\':
+ if (*string == 0)
+ return (0);
+ }
+
+ /* Advance one fewer byte than an entire multibyte character to
+ account for the auto-increment in the loop above. */
+ #ifdef HANDLE_MULTIBYTE
+ string--;
+ ADVANCE_CHAR_P (string, send - string);
+ string++;
+ #else
+ ADVANCE_CHAR_P (string, send - string);
+ #endif
+ }
+ return (0);
+ }
+
static char *globtext;
static char *globorig;
***************
*** 3878,3882 ****
}
! if (t && glob_pattern_p (t) == 0)
rl_explicit_arg = 1; /* XXX - force glob_complete_word to append `*'
*/
FREE (t);
--- 3934,3938 ----
}
! if (t && completion_glob_pattern (t) == 0)
rl_explicit_arg = 1; /* XXX - force glob_complete_word to append `*'
*/
FREE (t);
*** ../bash-5.0/lib/glob/glob_loop.c 2018-12-31 13:35:15.000000000 -0500
--- lib/glob/glob_loop.c 2019-01-09 09:44:36.000000000 -0500
***************
*** 55,59 ****
case L('\\'):
- #if 0
/* Don't let the pattern end in a backslash (GMATCH returns no match
if the pattern ends in a backslash anyway), but otherwise return 1,
--- 55,58 ----
***************
*** 61,69 ****
and it can be removed. */
return (*p != L('\0'));
- #else
- /* The pattern may not end with a backslash. */
- if (*p++ == L('\0'))
- return 0;
- #endif
}
--- 60,63 ----
