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incorrect behavior of zsh under su on SUNOS-4.1.3
- X-seq: zsh-workers 3221
- From: Juergen Peter "bluen" <bluen@xxxxxxxxxxxx>
- To: zsh-workers@xxxxxxxxxxxxxxx
- Subject: incorrect behavior of zsh under su on SUNOS-4.1.3
- Date: Mon, 9 Jun 1997 10:40:05 +0200 (MET DST)
- Reply-to: bluen@xxxxxxxxxxxx
Some problems have been encountered here when using ZSH-3.1.2 on a
It looks very much like that if invoked from other programs in a way
exec("/path/to/zsh", argv, other_args)
what many programs do to spawn a shell or a subshell,
zsh_name (the variable in the sourcecode) is set to argv of the
This looks quite ok for me (at least for most programs), but when the
shell-spawning program is /bin/su (or /usr/5bin/su) of SunOS, this
prevents the shell from reading its initialisation files (/etc/zshenv
and so on), which isn´t correct behaviour according to the
documentation of su(1). Other programs calling exec*(2) in a similar
way lead to the same problem (I checked elm-2.4 for example).
Maybe some of you folks would like to address the problem and solve it
if zsh_name is set to something different than zsh (or -zsh),
always set it to "zsh", so that init files are read for every
subshell in the ususal way. Maybe this is best done by adding
something like (below line # 53 in main.c)
if (strcmp(zsh_name,"zsh") != 0 && strcmp(zsh_name, "-zsh") !=0 )
or even by replacing line 53 in main.c with
zsh_name = "zsh";
Of course, there might be trouble somewhere else when solving the
problem like this (like we do here at our installation), so that there
may be better solutions (I´m not a shell-hacker).
If you have suggestions for better solutions of my problem or want
additional information, please email me directly because I´m not
subscribed to zsh-workers, zsh-users (I don´t even remember being
subscribed to zsh-announce).
Juergen Peter | PGP encrypted mail is welcome.
Lehrstuhl fuer Mikroelektronik | See my homepage for disclaimer!
Univ. Geb. 13, Postfach 151150, | email: bluen@xxxxxxxxxxxx
66041 Saarbruecken | http://www.ee.uni-sb.de/~bluen/
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