From: Ken Lareau <elessar@deepika.squonk.net>
To: Dan Nelson <dnelson@emsphone.com>
Cc: zsh-users@math.gatech.edu
Subject: Re: /usr/bin/script annoyance
Date: Wed, 16 Sep 1998 12:53:46 -0400 [thread overview]
Message-ID: <199809161653.MAA06850@mailhost2.squonk.net> (raw)
In-Reply-To: Your message of "Wed, 16 Sep 1998 11:41:38 CDT." <19980916114138.A23822@emsphone.com>
In message <19980916114138.A23822@emsphone.com>, Dan Nelson writes:
>The prototype for the execve syscall is usually
>
>execve(const char *path, char *const argv[], char *const envp[])
>
>and the string that determines sh compatibility mode for zsh is not
>'path', but 'argv[0]'. If you were to run script under dbx and break
>on the execve call, I'd bet anything that the contents of the string at
>0xEFFFF918 is "sh".
That would make sense, lucky me. :)
>Zefram's solution to this problem is the shortest:
>
>> Alternatively, set your SHELL to be the executable of this program:
>>
>> extern char **environ;
>> int main(int argc, char **argv)
>> {
>> if(argc != 0)
>> argv[0] = "zsh";
>> execve("/usr/local/bin/zsh", argv, environ);
>> _exit(1);
>> }
>
>That'll guarantee that zsh gets called as "zsh".
I did this, and thankfully, it worked. Really screwed up way to do it,
but it works. :) Thanks for the help, it was greatly appreciated.
Of course, this brings up one more question... is this something that
can be fixed eventually in zsh?
Ken Lareau
elessar@numenor.org
next prev parent reply other threads:[~1998-09-16 17:02 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
1998-09-15 18:47 Simple way to get parent process name? Ken Lareau
1998-09-15 20:13 ` Dan Nelson
1998-09-16 13:09 ` Ken Lareau
1998-09-16 16:08 ` /usr/bin/script annoyance Dan Nelson
1998-09-16 16:31 ` Ken Lareau
1998-09-16 16:41 ` Dan Nelson
1998-09-16 16:53 ` Ken Lareau [this message]
1998-09-16 17:13 ` Ken Lareau
1998-09-16 17:40 ` Bart Schaefer
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