* HP-UX 11.00 tgetenv dilemma
@ 2001-06-02 0:40 a normal guy
0 siblings, 0 replies; only message in thread
From: a normal guy @ 2001-06-02 0:40 UTC (permalink / raw)
To: zsh-users
Hello:
I have been championing zsh here at my lab at HP and love this
shell. Up until recently we were using HP-UX 10.20 with zsh
3.1.9 with no problems. However, when we upgraded to HP-UX
11.00, the termcap compatibility was broken. I finally
figured out the problem.
HP-UX 11.00 has two man pages discussing tgetent. 'man termcap'
says:
=======================================================(quote)
:
tgetent() ...tgetent() returns -1 if it cannot
access the terminfo directory, 0 if there is no
capability file for name, and 1 if all goes
well.
:
=======================================================(unquote)
but 'man tgetent' says
=======================================================(quote)
:
RETURN VALUE
Upon successful completion, functions that return an
integer return OK(0). Otherwise, they return ERR(-1).
Functions that return pointers return a null pointer on
error.
:
=======================================================(unquote)
The code in init.c, init_term() requires the man termcap
functionality. HP claims that the man tgetent functionality is
the true X-Open Standard. (I have not confirmed this.)
We can solve the problem in two ways.
1. If we link with -lHcurses, we get tgetent to return the
expected 1 with success. I suppose this would be done in the
configure script. This library may not be around for the
future.
2. If the X-Open Standard is truely as HP claims, we can add
another #ifdef block to the existing TGETENT_ACCEPTS_NULL to
work with this situation. Then we link with -lcurses as the
current configure script does.
If possible, I would appreciate a fix in the next release
(either 3.1.x or 4.0.x).
Thanks
Scott
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