* Re: glob [a-z]## bug in beta18
@ 1996-05-23 15:34 ead
0 siblings, 0 replies; 4+ messages in thread
From: ead @ 1996-05-23 15:34 UTC (permalink / raw)
To: Roderick Schertler; +Cc: zsh-workers
Roderick,
Roderick Schertler <roderick@gate.net>:
] Zoltan Hidvegi <hzoli@cs.elte.hu>:
] >> j:1% print -l 'setopt extended_glob' 'print -c [a-z]#' | zsh-2.6-beta18 -f
] >> bug.1 ok
] >
] > I cannot reproduce this. What OS and which C compiler do you use?
]
] I should have realized that this bug was too severe to be universal.
] Sorry about that. I saw that behavior on dgux 5.4.3.10 with gcc 2.5.8
] (the standard system compiler). When I recompiled with debugging rather
] than optimization the problem disappeared, so by definition it must be a
] bug in the compiler.
I cannot speak to the problem at hand, and have not looked at the zsh
code in question, but ceteris paribus, this line of reasoning is faulty.
When a "problem disappears", that does not mean that another one,
elsewhere, doesn't move to take it's place. Example: heap corruption due
to bad pointer management with optimization on, but valid memory getting
trashed with optimization off/debugging on.
Eric De Mund <ead@ixian.com>
http://www.ixian.com/ixian/ead/
"It's harder to solve people's problems than it is to design really neat
products." --Stewart Alsop
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: glob [a-z]## bug in beta18
1996-05-22 17:32 ` Zoltan Hidvegi
@ 1996-05-23 14:47 ` Roderick Schertler
0 siblings, 0 replies; 4+ messages in thread
From: Roderick Schertler @ 1996-05-23 14:47 UTC (permalink / raw)
To: zsh-workers
On 22 May 1996 14:44:55 -0400, Zoltan Hidvegi <hzoli@cs.elte.hu> said:
>
>> j:1% print -l 'setopt extended_glob' 'print -c [a-z]#' | zsh-2.6-beta18 -f
>> bug.1 ok
>
> I cannot reproduce this. What OS and which C compiler do you use?
I should have realized that this bug was too severe to be universal.
Sorry about that. I saw that behavior on dgux 5.4.3.10 with gcc 2.5.8
(the standard system compiler). When I recompiled with debugging rather
than optimization the problem disappeared, so by definition it must be a
bug in the compiler.
--
Roderick Schertler
roderick@gate.net
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: glob [a-z]## bug in beta18
1996-05-22 16:44 Roderick Schertler
@ 1996-05-22 17:32 ` Zoltan Hidvegi
1996-05-23 14:47 ` Roderick Schertler
0 siblings, 1 reply; 4+ messages in thread
From: Zoltan Hidvegi @ 1996-05-22 17:32 UTC (permalink / raw)
To: Roderick Schertler; +Cc: zsh-workers
> I've been on an old version of zsh (beta7) for a long time, I don't
> know when this bug came up. Here's what I'm seeing:
>
> j:1% ls
> bug.1 ok
> j:1% print -l 'setopt extended_glob' 'print -c [a-z]#' | zsh-2.6-beta7 -f
> ok
> j:1% print -l 'setopt extended_glob' 'print -c [a-z]#' | zsh-2.6-beta18 -f
> bug.1 ok
> j:1% _
I cannot reproduce this. What OS and which C compiler do you use?
Zoltan
^ permalink raw reply [flat|nested] 4+ messages in thread
* glob [a-z]## bug in beta18
@ 1996-05-22 16:44 Roderick Schertler
1996-05-22 17:32 ` Zoltan Hidvegi
0 siblings, 1 reply; 4+ messages in thread
From: Roderick Schertler @ 1996-05-22 16:44 UTC (permalink / raw)
To: zsh-workers
I've been on an old version of zsh (beta7) for a long time, I don't
know when this bug came up. Here's what I'm seeing:
j:1% ls
bug.1 ok
j:1% print -l 'setopt extended_glob' 'print -c [a-z]#' | zsh-2.6-beta7 -f
ok
j:1% print -l 'setopt extended_glob' 'print -c [a-z]#' | zsh-2.6-beta18 -f
bug.1 ok
j:1% _
I ended up with this while trying to track down another globbing
strangeness (I get no matches from
autoload $_dir/[a-zA-Z_][a-zA-Z0-9_---.]#(-.:t)
), I don't know if it's somehow the same bug or not.
--
Roderick Schertler
roderick@gate.net
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~1996-05-23 15:51 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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1996-05-23 15:34 glob [a-z]## bug in beta18 ead
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1996-05-22 16:44 Roderick Schertler
1996-05-22 17:32 ` Zoltan Hidvegi
1996-05-23 14:47 ` Roderick Schertler
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