[See cvs log for src/cmd.c for more complete description.]
This turns clearlocks() into a no-op during the period when the UNIX
port is asking the user to confirm whether to overwrite an existing game.
Also, this removes the duplication of code and function between hangup()
and end_of_input(), and it simplifies the check for whether hangups are
supported by adding new macro HANGUPHANDLING. (I don't think global.h is
the best place to be defining that but I couldn't figure out where else
it would fit, other than repeating for individual xxxconf.h files.) And
adds a couple more done_hup checks to try to cope with situations where
rhack() is being bypassed. Lastly, having readchar() return EOF was
ignored for non-UNIX configs; now everybody gets ESC instead of letting
EOF be seen further inside the core.
Some changes for standard C platforms, to avoid declaring errno explictly.
Such platforms should declare errno in errno.h, which is already included
in the files in question.
This is an initial round of SAFERHANGUP hangup changes. It introduces
SAFERHANGUP, provides the core framework, and enables it for UNIX.
Window-port changes are provided for win/tty, win/X11 and win/gnome. Qt
changes should be forthcoming after having Warwick look at them.
window.doc is updated so windowport maintainers have an clue what needs to
be done to support SAFERHANGUP.
- If you have Gnome installed on solaris, the GETRES support wouldn't build.
I don't have access to a solaris system with Gnome installed, but hacked
unixconf.h to force the GETRES code itself to be compiled. So, I believe the
unixres.c change will work for folks really using Gnome on Solaris.
Whether the rest of the gnome code will build there is beyond me.
- I accidentally left TIMED_DELAY defined and the Solaris build failed.
While solaris has usleep(), this is not part of SVR4 as far as I can tell.
But, SysV does have poll, so I implemented msleep() for SysV systems in
terms of poll. So, you can now define TIMED_DELAY on any SYSV build.
Finally got around to installing OpenBSD (rev 3.3) in a vmware partition.
Found that several #if BSD's were inappropriate for modern BSD's. Haven't
installed FreeBSD or NetBSD, but based on reading their man pages,
these changes are needed there too. Mostly due to POSIX time() signature.
