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Re: switch/extension for see below strongly needed

From cross@spitfire.i.gajendra.net (Dan Cross)
Newsgroups comp.lang.c
Subject Re: switch/extension for see below strongly needed
Date 2026-05-21 12:18 +0000
Organization PANIX Public Access Internet and UNIX, NYC
Message-ID <10umt5o$12$1@reader1.panix.com> (permalink)
References <10uapjs$19723$1@dont-email.me> <10ukkh6$2gc8$1@dont-email.me> <10uktre$ge2$1@reader1.panix.com> <10umdsa$hnml$1@dont-email.me>

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In article <10umdsa$hnml$1@dont-email.me>,
David Brown  <david.brown@hesbynett.no> wrote:
>On 20/05/2026 20:17, Dan Cross wrote:
>> [snip]
>> I particularly agree with the use of a static inline to avoid
>> some `goto`s.  When the `goto fail` bug was announced, as an
>> exercise, I rewrote Apple's code to demonstrate how one might
>> eliminate the problematic pattern entirely:
>> 
>
>(The mixture of tabs and spaces in your post resulted in a bit messed up 
>indentation in the quotation in my reply.  I've tried to fix it up to 
>match the original indentation, but be warned it might look different 
>when you view it or re-quote it.)

Apologies for that; I suspect that was my editor trying to be
"helpful": I used spaces in the example, but usually use tabs;
I probably should have just stuck with the latter for
consistency.

>> [snip code examples]
>> 
>> The response (this was amongst a bunch of developers are my last
>> company) was, "yeah, but you can't _always_ do that..." and that
>> may be true; but you _often_ can.  
>
>Exactly.  Some people worry do much about when you can't do something, 
>or what might go wrong if things had been different.  Use the best 
>technique you can for the code at hand, and if you can't use that 
>technique in one place, use something else in that one place.

Yes.

>> Regardless, it does not
>> automatically follow that `goto` is the best option for dealing
>> with this kind of failure.  The Plan 9 kernel, for example, used
>> something equivalent to setjmp/longjmp and a stack of jump
>> buffers to provide a primitive exception handling mechanism in
>> that system's decidedly non-ISO dialect of C.
>
>There are other ways to avoid or catch such errors, without changing the 
>structure or the use of "goto".  One is to use static error checking.  I 
>don't know the age of this code, but from gcc 6 onwards "-Wall" will 
>catch the "misleading indentation" of the double "goto fail".  (gcc also 
>spots that the first "goto fail" skips the initialisation of "q", so it 
>is tested and possibly disposed-of when uninitialised.  But that might 
>be an artifact of your paraphrasing of the original code.)  Other static 
>error checkers would also no doubt be able to spot the bug.

(The uninitialized `q` error was my mistake; this was only meant
to be illustrative, not actual working code!)

>There is also the question of brace style.  That is something that 
>people have lots of different opinions on, but there's no doubt that if 
>the author had used a style that required the use of braces even for 
>single-statement blocks, such as the so-called "One True Brace Style", 
>then the error could not have occurred.
>
>Personally, I allow a single short statement on the same line as the 
>"if".  But if the statement is long, or I think the code is clearer 
>having it on a separate line, or if there is an "else" clause, I have it 
>in braces :
>
>	if (!p) goto fail;
>
>	if (!p) {
>		goto fail;
>	}
>
>For me, this keeps everything simple, consistent, difficult to misread, 
>fits well with version control and other line-by-line comparisons, and 
>has a good balance between compactness and verbosity.
>
>Other people, of course, have other style preferences, with different 
>pros and cons.  OTBS, or my variation, would have made the error in this 
>code impossible - but it would not have hindered other kinds of bugs.

This writeup of the original bug is pretty good:
https://dwheeler.com/essays/apple-goto-fail.html

He also recommends several of the techniques you do.

In this particular case, the bug _should_ have been caught.
Some combination of rigorous testing, static analysis, and
manual review ought to have prevented it; that the bug made it
into production software anyway is a software engineering
failure.

I think one can level some reasonable criticism at the language,
however.  The `goto error;` idiom is used in C because there are
few alternatives for cleanup handling on failure.  Modulo what
we discussed before, that code can _often_ be restructured to
avoid it, but sometimes it can't, and frequently it just isn't.

In contrast, newer languages give you more expressive power in
this regard: Go has the `defer` keyword to register a closure
that runs when the enclosing function returns:

```go
	f, err := os.Open(...)
	if err != nil {
		return err
	}
	defer f.Close()
	...
```

The list of deferred closures will be run whenever the function
returns, no matter what path it takes.  You can't accidentally
omit the close.

Similarly, the RAII idiom prevalent in C++ and Rust uses object
destructors that are automatically run when something goes out
of scope to do the cleanup.  C++ pairs that with
exceptions (arguably worse than goto) while Rust represents
errors with sum types and a little bit of syntactic sugar with
the `?` operator.  In either case, the descriptors run and do
the cleanup, regardless of whether the return was an error path
or a success path.

Other languages feature "linear types", instances of which must
be used exactly once: failure to cleanup on an error path is a
compile time error.  This means that you can't forget to
deallocate memory, close a file, or unlock a mutex, for example,
but I don't know that it directly addresses the issue where you
just skip over the actual thing the program is supposed to do.
Still, with more expressive type systems, it is likely one can
much more easily structure the program so that the type of logic
that lead to this failure is unnecessary.

I understand that someone has written a paper proposing adding
`defer` to C; that would obviate many of these problems.

	- Dan C.

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switch/extension for see below strongly needed fir <profesor.fir@gmail.com> - 2026-05-17 00:03 +0200
  Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-17 01:08 +0100
    Re: switch/extension for see below strongly needed Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-05-16 18:21 -0700
      Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-17 12:16 +0100
        Re: switch/extension for see below strongly needed fir <profesor.fir@gmail.com> - 2026-05-17 15:04 +0200
          Re: switch/extension for see below strongly needed fir <profesor.fir@gmail.com> - 2026-05-17 15:08 +0200
        Re: switch/extension for see below strongly needed Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-05-17 06:48 -0700
          Re: switch/extension for see below strongly needed Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2026-05-17 14:43 +0000
            Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-17 16:53 +0100
            Re: switch/extension for see below strongly needed fir <profesor.fir@gmail.com> - 2026-05-17 18:24 +0200
              Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-17 17:56 +0100
                Re: switch/extension for see below strongly needed fir <profesor.fir@gmail.com> - 2026-05-17 21:07 +0200
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-18 08:56 +0200
                Re: switch/extension for see below strongly needed Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-18 09:22 +0200
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-18 10:35 +0200
                Re: switch/extension for see below strongly needed Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-18 10:41 +0200
                Re: switch/extension for see below strongly needed antispam@fricas.org (Waldek Hebisch) - 2026-05-18 16:47 +0000
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-18 18:58 +0200
                Using "extra" blocks to declare local variables (Was: switch/extension for see below strongly needed) gazelle@shell.xmission.com (Kenny McCormack) - 2026-05-19 05:48 +0000
                Re: Using "extra" blocks to declare local variables (Was: switch/extension for see below strongly needed) David Brown <david.brown@hesbynett.no> - 2026-05-19 08:18 +0200
                Re: Using "extra" blocks to declare local variables (Was: switch/extension for see below strongly needed) scott@slp53.sl.home (Scott Lurndal) - 2026-05-19 14:04 +0000
                Re: Using "extra" blocks to declare local variables (Was: switch/extension for see below strongly needed) Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-05-22 23:44 -0700
                Re: switch/extension for see below strongly needed cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-18 18:13 +0000
                Re: switch/extension for see below strongly needed scott@slp53.sl.home (Scott Lurndal) - 2026-05-18 18:37 +0000
                You are not allowed to use "the S word" in this ng. (Was: switch/extension for see below strongly needed) gazelle@shell.xmission.com (Kenny McCormack) - 2026-05-19 05:49 +0000
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-18 18:35 +0100
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-18 21:24 +0200
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-18 21:48 +0100
                Re: switch/extension for see below strongly needed Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-05-18 14:23 -0700
                Re: switch/extension for see below strongly needed Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-05-19 06:58 +0000
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-19 11:55 +0100
                Re: switch/extension for see below strongly needed Richard Harnden <richard.nospam@gmail.invalid> - 2026-05-19 12:15 +0100
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-19 12:48 +0100
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-19 14:23 +0200
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-19 14:08 +0100
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-19 15:40 +0200
                Re: switch/extension for see below strongly needed Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-19 16:41 +0200
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-19 17:07 +0200
                Re: switch/extension for see below strongly needed Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-19 17:23 +0200
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-19 17:58 +0200
                Re: switch/extension for see below strongly needed Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-19 18:31 +0200
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-19 18:38 +0200
                Re: switch/extension for see below strongly needed Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-19 18:54 +0200
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-19 17:44 +0100
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-19 18:59 +0200
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-19 17:31 +0100
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-19 18:48 +0200
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-19 18:47 +0100
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-19 21:58 +0200
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-19 22:16 +0100
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-20 08:59 +0200
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-20 14:20 +0100
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-20 16:22 +0200
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-20 16:41 +0100
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-20 19:51 +0200
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-20 21:14 +0100
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-21 08:45 +0200
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-21 12:56 +0100
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-21 14:55 +0200
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-21 18:26 +0100
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-21 21:23 +0200
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-21 20:59 +0100
                Re: switch/extension for see below strongly needed cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-21 21:35 +0000
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-22 09:31 +0200
                Re: switch/extension for see below strongly needed Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-22 06:52 +0200
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-22 09:34 +0200
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-22 11:43 +0100
                Re: switch/extension for see below strongly needed cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-22 12:13 +0000
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-22 14:16 +0100
                Re: switch/extension for see below strongly needed cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-22 17:32 +0000
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-22 20:27 +0100
                Re: switch/extension for see below strongly needed cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-23 15:30 +0000
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-23 17:59 +0100
                Re: switch/extension for see below strongly needed Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-23 07:56 +0200
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-22 11:41 +0100
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-22 13:31 +0200
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-22 13:42 +0100
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-22 15:11 +0200
                Re: switch/extension for see below strongly needed cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-22 14:57 +0000
                Re: switch/extension for see below strongly needed scott@slp53.sl.home (Scott Lurndal) - 2026-05-22 16:16 +0000
                Re: switch/extension for see below strongly needed cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-22 17:43 +0000
                Re: switch/extension for see below strongly needed scott@slp53.sl.home (Scott Lurndal) - 2026-05-22 21:03 +0000
                Re: switch/extension for see below strongly needed cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-22 22:02 +0000
                Re: switch/extension for see below strongly needed Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-05-25 07:39 -0700
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-22 17:53 +0100
                Re: switch/extension for see below strongly needed Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-23 07:51 +0200
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-23 10:58 +0100
                Re: switch/extension for see below strongly needed Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-23 07:33 +0200
                Re: switch/extension for see below strongly needed cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-24 02:48 +0000
                Re: switch/extension for see below strongly needed Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-24 10:13 +0200
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-24 12:30 +0100
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-24 13:39 +0100
                Re: switch/extension for see below strongly needed tTh <tth@none.invalid> - 2026-05-24 22:09 +0200
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-24 21:48 +0100
                Re: switch/extension for see below strongly needed scott@slp53.sl.home (Scott Lurndal) - 2026-05-24 22:04 +0000
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-25 10:34 +0200
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-22 11:45 +0100
                Re: switch/extension for see below strongly needed Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-21 15:08 +0200
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-21 14:31 +0100
                Re: switch/extension for see below strongly needed Michael S <already5chosen@yahoo.com> - 2026-05-21 19:37 +0300
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-21 18:38 +0100
                Re: switch/extension for see below strongly needed James Kuyper <jameskuyper@alumni.caltech.edu> - 2026-05-21 13:54 -0400
                Re: switch/extension for see below strongly needed Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-21 20:09 +0200
                Re: switch/extension for see below strongly needed Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-05-21 14:31 -0700
                Re: switch/extension for see below strongly needed James Kuyper <jameskuyper@alumni.caltech.edu> - 2026-05-21 19:41 -0400
                Re: switch/extension for see below strongly needed Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-22 05:23 +0200
                Re: switch/extension for see below strongly needed Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-05-22 21:38 -0700
                Re: switch/extension for see below strongly needed Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-05-22 23:17 -0700
                Re: switch/extension for see below strongly needed Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-05-23 00:04 -0700
                Re: switch/extension for see below strongly needed Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-23 09:35 +0200
                Re: switch/extension for see below strongly needed Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-05-23 03:59 -0700
                Re: switch/extension for see below strongly needed James Kuyper <jameskuyper@alumni.caltech.edu> - 2026-05-21 13:48 -0400
                Re: switch/extension for see below strongly needed Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-05-21 14:23 -0700
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-21 23:47 +0100
                Re: switch/extension for see below strongly needed Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-05-21 17:24 -0700
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-22 01:51 +0100
                Re: switch/extension for see below strongly needed scott@slp53.sl.home (Scott Lurndal) - 2026-05-22 14:04 +0000
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-22 16:16 +0100
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-22 17:47 +0200
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-22 17:35 +0100
                Re: switch/extension for see below strongly needed scott@slp53.sl.home (Scott Lurndal) - 2026-05-22 20:57 +0000
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-23 00:24 +0100
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-23 11:46 +0200
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-23 11:31 +0100
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-23 13:51 +0200
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-23 13:07 +0100
                Re: switch/extension for see below strongly needed fir <profesor.fir@gmail.com> - 2026-05-23 14:35 +0200
                Re: switch/extension for see below strongly needed fir <profesor.fir@gmail.com> - 2026-05-23 14:38 +0200
                Re: switch/extension for see below strongly needed Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-05-23 20:46 -0700
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-23 13:55 +0100
                Re: switch/extension for see below strongly needed Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-22 05:58 +0200
                Re: switch/extension for see below strongly needed Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-05-21 21:21 -0700
                Re: switch/extension for see below strongly needed Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-22 07:17 +0200
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-22 10:49 +0200
                Re: switch/extension for see below strongly needed Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-23 05:49 +0200
                Re: switch/extension for see below strongly needed James Kuyper <jameskuyper@alumni.caltech.edu> - 2026-05-22 18:37 -0400
                Re: switch/extension for see below strongly needed James Kuyper <jameskuyper@alumni.caltech.edu> - 2026-05-21 19:49 -0400
                Re: switch/extension for see below strongly needed Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-05-21 17:27 -0700
                Re: switch/extension for see below strongly needed Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-05-23 14:21 -0700
                Re: switch/extension for see below strongly needed Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-05-23 20:32 -0700
                Re: switch/extension for see below strongly needed Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-05-23 14:19 -0700
                Re: switch/extension for see below strongly needed Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-05-23 14:03 -0700
                Re: switch/extension for see below strongly needed "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2026-05-20 16:39 -0700
                Re: switch/extension for see below strongly needed cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-20 15:18 +0000
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-20 17:38 +0200
                Re: switch/extension for see below strongly needed cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-20 18:17 +0000
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-21 09:56 +0200
                Re: switch/extension for see below strongly needed cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-21 12:18 +0000
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-21 15:16 +0200
                Re: switch/extension for see below strongly needed cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-22 14:44 +0000
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-22 17:12 +0200
                Re: switch/extension for see below strongly needed cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-24 19:08 +0000
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-25 12:16 +0200
                Re: switch/extension for see below strongly needed cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-26 14:09 +0000
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-26 18:16 +0200
                Re: switch/extension for see below strongly needed scott@slp53.sl.home (Scott Lurndal) - 2026-05-21 15:04 +0000
                Re: switch/extension for see below strongly needed "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2026-05-20 16:47 -0700
                Re: switch/extension for see below strongly needed cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-21 02:55 +0000
                Re: switch/extension for see below strongly needed Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-05-23 21:12 -0700
                Re: switch/extension for see below strongly needed Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-05-23 21:31 -0700
                Re: switch/extension for see below strongly needed Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-24 11:00 +0200
                Re: switch/extension for see below strongly needed Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-05-24 04:15 -0700
                Re: switch/extension for see below strongly needed James Kuyper <jameskuyper@alumni.caltech.edu> - 2026-05-20 10:40 -0400
                Re: switch/extension for see below strongly needed "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2026-05-20 16:52 -0700
                Re: switch/extension for see below strongly needed cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-20 14:56 +0000
                Re: switch/extension for see below strongly needed Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-20 06:38 +0200
                Re: switch/extension for see below strongly needed Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-21 02:45 +0200
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-21 02:31 +0100
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-21 10:16 +0200
                [OT] Genie bug and fix (was Re: switch/extension for see below strongly needed) Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-22 04:48 +0200
                Re: [OT] Genie bug and fix (was Re: switch/extension for see below strongly needed) Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-22 05:02 +0200
                Re: [OT] Genie bug and fix (was Re: switch/extension for see below strongly needed) Bart <bc@freeuk.com> - 2026-05-22 11:18 +0100
                Re: [OT] Genie bug and fix (was Re: switch/extension for see below strongly needed) Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-23 09:21 +0200
                Re: switch/extension for see below strongly needed Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-20 06:24 +0200
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-20 11:55 +0100
                Re: switch/extension for see below strongly needed Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-21 02:30 +0200
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-21 02:21 +0100
                Re: switch/extension for see below strongly needed Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-05-20 18:51 -0700
                Re: switch/extension for see below strongly needed gazelle@shell.xmission.com (Kenny McCormack) - 2026-05-21 11:46 +0000
                Re: switch/extension for see below strongly needed Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-21 14:56 +0200
                Re: switch/extension for see below strongly needed scott@slp53.sl.home (Scott Lurndal) - 2026-05-21 15:12 +0000
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-21 16:47 +0100
                Re: switch/extension for see below strongly needed Michael S <already5chosen@yahoo.com> - 2026-05-21 19:27 +0300
                Re: switch/extension for see below strongly needed Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-21 20:03 +0200
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-21 19:42 +0100
                Re: switch/extension for see below strongly needed Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-21 19:46 +0200
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-21 20:08 +0100
                Re: switch/extension for see below strongly needed "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2026-05-19 14:34 -0700
                Re: switch/extension for see below strongly needed Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-05-19 15:01 -0700
                Re: switch/extension for see below strongly needed "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2026-05-19 15:15 -0700
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-20 09:24 +0200
                Re: switch/extension for see below strongly needed Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-05-20 03:26 -0700
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-19 13:29 +0200
                Re: switch/extension for see below strongly needed Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-19 16:46 +0200
                Re: switch/extension for see below strongly needed scott@slp53.sl.home (Scott Lurndal) - 2026-05-19 13:56 +0000
                Re: switch/extension for see below strongly needed Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-05-19 14:27 -0700
                Re: switch/extension for see below strongly needed James Kuyper <jameskuyper@alumni.caltech.edu> - 2026-05-19 12:35 -0400
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-18 11:57 +0100
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-18 13:57 +0200
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-18 14:18 +0100
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-18 16:07 +0200
                Re: switch/extension for see below strongly needed Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-05-18 14:12 -0700
                Re: switch/extension for see below strongly needed Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-05-18 07:17 +0000
            Re: switch/extension for see below strongly needed Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-05-17 23:30 +0000
              Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-18 09:02 +0200
                Re: switch/extension for see below strongly needed Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-18 09:38 +0200
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-18 10:50 +0100
                Re: switch/extension for see below strongly needed fir <profesor.fir@gmail.com> - 2026-05-18 10:00 +0200
                Re: switch/extension for see below strongly needed "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2026-05-18 16:31 -0700
                Re: switch/extension for see below strongly needed Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-19 09:18 +0200
                Re: switch/extension for see below strongly needed David Brown <david.brown@hesbynett.no> - 2026-05-19 10:00 +0200
                Re: switch/extension for see below strongly needed Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-19 10:34 +0200
                Re: switch/extension for see below strongly needed "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2026-05-19 14:19 -0700
                Re: switch/extension for see below strongly needed Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-20 04:09 +0200
            Re: switch/extension for see below strongly needed James Kuyper <jameskuyper@alumni.caltech.edu> - 2026-05-19 11:43 -0400
        Re: switch/extension for see below strongly needed cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-18 01:22 +0000
          Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-18 11:23 +0100
            Re: switch/extension for see below strongly needed cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-18 11:07 +0000
              Re: switch/extension for see below strongly needed fir <profesor.fir@gmail.com> - 2026-05-18 14:10 +0200
                Re: switch/extension for see below strongly needed fir <profesor.fir@gmail.com> - 2026-05-18 15:01 +0200
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-18 14:33 +0100
                Re: switch/extension for see below strongly needed fir <profesor.fir@gmail.com> - 2026-05-18 16:39 +0200
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-18 16:12 +0100
                Re: switch/extension for see below strongly needed fir <profesor.fir@gmail.com> - 2026-05-18 17:35 +0200
                Re: switch/extension for see below strongly needed fir <profesor.fir@gmail.com> - 2026-05-18 16:59 +0200
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-18 16:25 +0100
                Re: switch/extension for see below strongly needed fir <profesor.fir@gmail.com> - 2026-05-18 17:50 +0200
                Re: switch/extension for see below strongly needed fir <profesor.fir@gmail.com> - 2026-05-18 18:21 +0200
                Re: switch/extension for see below strongly needed fir <profesor.fir@gmail.com> - 2026-05-18 17:29 +0200
                Re: switch/extension for see below strongly needed fir <profesor.fir@gmail.com> - 2026-05-18 17:04 +0200
                Re: switch/extension for see below strongly needed Bart <bc@freeuk.com> - 2026-05-18 16:31 +0100
                Re: switch/extension for see below strongly needed fir <profesor.fir@gmail.com> - 2026-05-18 18:12 +0200
                Re: switch/extension for see below strongly needed fir <profesor.fir@gmail.com> - 2026-05-18 18:24 +0200
                Re: switch/extension for see below strongly needed Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-05-18 14:40 -0700
    Re: switch/extension for see below strongly needed fir <profesor.fir@gmail.com> - 2026-05-17 14:57 +0200
      Re: switch/extension for see below strongly needed fir <profesor.fir@gmail.com> - 2026-05-17 16:06 +0200
  Re: multipass Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-05-17 05:50 +0000
    Re: multipass Bart <bc@freeuk.com> - 2026-05-17 11:26 +0100
      Re: multipass David Brown <david.brown@hesbynett.no> - 2026-05-18 09:08 +0200
    Re: multipass Bonita Montero <Bonita.Montero@gmail.com> - 2026-05-17 17:31 +0200
    Re: multipass makendo <makendo@makendo.invalid> - 2026-05-24 01:14 +0800
      Re: multipass Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-05-27 01:05 +0000

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