/* NetHack 5.0 unixconf.h $NHDT-Date: 1778686773 2026/05/13 15:39:33 $ $NHDT-Branch: NetHack-5.0 $:$NHDT-Revision: 1.60 $ */

/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */

/*-Copyright (c) Pasi Kallinen, 2018. */

/* NetHack may be freely redistributed. See license for details. */

#ifdef UNIX

#ifndef UNIXCONF_H

#define UNIXCONF_H

/*

* Some include files are in a different place under SYSV

* BSD SYSV

* <sys/time.h> <time.h>

* <sgtty.h> <termio.h>

*

* Some routines are called differently

* index strchr

* rindex strrchr

*

*/

/* define exactly one of the following four choices */

/* #define BSD 1 */ /* define for 4.n/Free/Open/Net BSD */

/* also for relatives like SunOS 4.x, DG/UX, and */

/* older versions of Linux */

/* #define ULTRIX */ /* define for Ultrix v3.0 or higher (but not lower) */

/* Use BSD for < v3.0 */

/* "ULTRIX" not to be confused with "ultrix" */

#define SYSV /* define for System V, Solaris 2.x, newer versions */

/* of Linux */

/* #define HPUX */ /* Hewlett-Packard's Unix, version 6.5 or higher */

/* use SYSV for < v6.5 */

/* define any of the following that are appropriate */

#define SVR4 /* use in addition to SYSV for System V Release 4 */

/* including Solaris 2+ */

#define NETWORK /* if running on a networked system */

/* e.g. Suns sharing a playground through NFS */

/* #define SUNOS4 */ /* SunOS 4.x */

#ifdef __linux__

#define LINUX /* Another Unix clone */

#endif

/* #define CYGWIN32 */ /* Unix on Win32 -- use with case sensitive defines */

/* #define GENIX */ /* Yet Another Unix Clone */

/* #define HISX */ /* Bull Unix for XPS Machines */

/* #define BOS */ /* Bull Open Software - Unix for DPX/2 Machines */

/* #define UNIXPC */ /* use in addition to SYSV for AT&T 7300/3B1 */

/* #define AIX_31 */ /* In AIX 3.1 (IBM RS/6000) use BSD ioctl's to gain

* job control (note that AIX is SYSV otherwise)

* Also define this for AIX 3.2 */

#define TERMINFO /* uses terminfo rather than termcap */

/* Should be defined for most SYSV, SVR4 (including

* Solaris 2+), HPUX, and Linux systems. In

* particular, it should NOT be defined for the UNIXPC

* unless you remove the use of the shared library in

* the Makefile */

#define POSIX_JOB_CONTROL /* use System V / Solaris 2.x / POSIX job control

* (e.g., VSUSP) */

#define POSIX_TYPES /* use POSIX types for system calls and termios */

/* Define for many recent OS releases, including

* those with specific defines (since types are

* changing toward the standard from earlier chaos).

* For example, platforms using the GNU libraries,

* Linux, Solaris 2.x

*/

/* #define RANDOM */ /* if neither random/srandom nor lrand48/srand48

is available from your system */

/*

* The next two defines are intended mainly for the Andrew File System,

* which does not allow hard links. If NO_FILE_LINKS is defined, lock files

* will be created in LOCKDIR using open() instead of in the playground using

* link().

* Ralf Brown, 7/26/89 (from v2.3 hack of 10/10/88)

*/

/* #define NO_FILE_LINKS */ /* if no hard links */

/* #define LOCKDIR "/usr/games/lib/nethackdir" */ /* where to put locks */

/*

* If you want the static parts of your playground on a read-only file

* system, define VAR_PLAYGROUND to be where the variable parts are kept.

*/

/* #define VAR_PLAYGROUND "/var/lib/games/nethack" */

/*

* Define DEF_PAGER as your default pager, e.g. "/bin/cat" or "/usr/ucb/more"

* If defined, it can be overridden by the environment variable PAGER.

* NetHack will use its internal pager if DEF_PAGER is not defined _or_

* if DLB is defined since an external pager won't know how to access the

* contents of the dlb container file.

* (Note: leaving DEF_PAGER undefined is preferable for security reasons.)

*/

/* #define DEF_PAGER "/usr/bin/less" */

/*

* Define PORT_HELP to be the name of the port-specific help file.

* This file is found in HACKDIR.

* Normally, you shouldn't need to change this.

* There is currently no port-specific help for Unix systems.

*/

/* #define PORT_HELP "Unixhelp" */

#ifdef TTY_GRAPHICS

/*

* To enable the `timed_delay' option for using a timer rather than extra

* screen output when pausing for display effect. Requires that `msleep'

* function be available (with time argument specified in milliseconds).

* Various output devices can produce wildly varying delays when the

* "extra output" method is used, but not all systems provide access to

* a fine-grained timer.

*/

/* #define TIMED_DELAY */ /* usleep() */

#endif

#if defined(MACOS) && !defined(TIMED_DELAY)

#define TIMED_DELAY

#endif

/*

* At start of game, if there are lock and level files for current

* character in the playground directory, ask whether to recover them

* (into a save file).

*/

/* #define SELF_RECOVER */

/*

* At start of game, if there is no save file to restore or lock and

* level files to recover but there is a panic save file for the current

* character, tell the player that it exists and ask whether to start a

* new game. Does not attempt to rename and restore the panic save file.

*/

#define CHECK_PANIC_SAVE

/* #define AVOID_WIN_IOCTL */ /* ensure USE_WIN_IOCTL remains undefined */

/*

* If you define MAIL, then the player will be notified of new mail

* when it arrives. If you also define DEF_MAILREADER then this will

* be the default mail reader, and can be overridden by the environment

* variable MAILREADER; otherwise an internal pager will be used.

* A stat system call is done on the mailbox every MAILCKFREQ moves.

*/

#if !defined(NOMAIL)

#define MAIL /* Deliver mail during the game */

#endif

/* The Andrew Message System does mail a little differently from normal

* UNIX. Mail is deposited in the user's own directory in ~/Mailbox

* (another directory). MAILBOX is the element that will be added on to

* the user's home directory path to generate the Mailbox path - just in

* case other Andrew sites do it differently from CMU.

* dan lovinger

* dl2n+@andrew.cmu.edu (dec 19 1989)

*/

/* #define AMS */ /* use Andrew message system for mail */

/* NO_MAILREADER is for kerberos authenticating filesystems where it is

* essentially impossible to securely exec child processes, like mail

* readers, when the game is running under a special token.

* dan

*/

/* #define NO_MAILREADER */ /* have mail daemon just tell player of mail */

#ifdef MAIL

#if defined(BSD) || defined(ULTRIX)

#ifdef AMS

#define AMS_MAILBOX "/Mailbox"

#else

#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__)

#define DEF_MAILREADER "/usr/bin/mail"

#else

#define DEF_MAILREADER "/usr/ucb/Mail"

#endif

#endif

#else

#if (defined(SYSV) || defined(DGUX) || defined(HPUX)) && !defined(LINUX)

#if defined(M_XENIX)

#define DEF_MAILREADER "/usr/bin/mail"

#else

#ifdef __sgi

#define DEF_MAILREADER "/usr/sbin/Mail"

#else

#define DEF_MAILREADER "/usr/bin/mailx"

#endif

#endif

#else

#define DEF_MAILREADER "/bin/mail"

#endif

#endif

/* If SIMPLE_MAIL is defined, the mail spool file format is

"sender:message", one mail per line, and mails are

read within game, from demon-delivered mail scrolls.

The mail spool file will be deleted once the player

has read the message. */

/* #define SIMPLE_MAIL */

#ifndef MAILCKFREQ

/* How often mail spool file is checked for new messages, in turns */

#define MAILCKFREQ 50

#endif

#endif /* MAIL */

/* If SERVER_ADMIN_MSG is defined and the file exists, players get

a message from the user defined in the file. The file format

is "sender:message" all in one line. */

/* #define SERVER_ADMIN_MSG "adminmsg" */

#ifndef SERVER_ADMIN_MSG_CKFREQ

/* How often admin message file is checked for new messages, in turns */

#define SERVER_ADMIN_MSG_CKFREQ 25

#endif

/*

* Some terminals or terminal emulators send two character sequence "ESC c"

* when Alt+c is pressed. The altmeta run-time option allows the user to

* request that "ESC c" be treated as M-c.

*/

#define ALTMETA /* support altmeta run-time option */

#ifdef COMPRESS

/* Some implementations of compress need a 'quiet' option.

* If you've got one of these versions, put -q here.

* You can also include any other strange options your compress needs.

* If you have a normal compress, just leave it commented out.

*/

/* #define COMPRESS_OPTIONS "-q" */

#endif

#ifndef FCMASK

#define FCMASK 0660 /* file creation mask */

#endif

/* fcntl(2) is a POSIX-portable call for manipulating file descriptors.

* Comment out the USE_FCNTL if for some reason you have a strange

* OS/filesystem combination for which fcntl(2) does not work. */

#ifdef POSIX_TYPES

#define USE_FCNTL

#endif

/*

* The remainder of the file should not need to be changed.

*/

#ifdef _AUX_SOURCE

#ifdef AUX /* gcc ? */

#define _SYSV_SOURCE

#define _BSD_SOURCE

#else

#define AUX

#endif

#endif /* _AUX_SOURCE */

#if defined(LINUX) || defined(bsdi)

#ifndef POSIX_TYPES

#define POSIX_TYPES

#endif

#ifndef POSIX_JOB_CONTROL

#define POSIX_JOB_CONTROL

#endif

#endif

/*

* BSD/ULTRIX systems are normally the only ones that can suspend processes.

* Suspending NetHack processes cleanly should be easy to add to other systems

* that have SIGTSTP in the Berkeley sense. Currently the only such systems

* known to work are HPUX and AIX 3.1; other systems will probably require

* tweaks to unixtty.c and ioctl.c.

*

* POSIX defines a slightly different type of job control, which should be

* equivalent for NetHack's purposes. POSIX_JOB_CONTROL should work on

* various recent SYSV versions (with possibly tweaks to unixtty.c again).

*/

#ifndef POSIX_JOB_CONTROL

#if defined(BSD) || defined(ULTRIX) || defined(HPUX) || defined(AIX_31)

#define BSD_JOB_CONTROL

#else

#if defined(SVR4)

#define POSIX_JOB_CONTROL

#endif

#endif

#endif

#ifndef NOSUSPEND

#if defined(BSD_JOB_CONTROL) || defined(POSIX_JOB_CONTROL) || defined(AUX)

#define SUSPEND /* let ^Z suspend the game (push to background) */

#endif

#endif

/*

* Define SAFERHANGUP to delay hangup processing until the main command

* loop. 'safer' because it avoids certain cheats and also avoids losing

* objects being thrown when the hangup occurs. All unix windowports

* support SAFERHANGUP (couldn't define it here otherwise).

*/

#define SAFERHANGUP

#if defined(BSD) || defined(ULTRIX)

#include <sys/time.h>

#endif

/* these might be needed for include/system.h;

default comes from system's time.h */

/* #define NEED_TIME_DECL 1 */

/* #define NEED_LOCALTIME_DECL 1 */

/* #define NEED_CTIME_DECL 1 */

/* these might be needed for src/hacklib.c;

default is 'time_t *' */

/* #define TIME_type long * */

/* #define LOCALTIME_type long * */

#define HLOCK "perm" /* an empty file used for locking purposes */

#define tgetch getchar

#ifndef NOSHELL

#define SHELL /* do not delete the '!' command */

#endif

#if defined(POSIX_TYPES) || defined(__GNUC__)

#include <unistd.h>

#endif

#if defined(POSIX_TYPES) || defined(__GNUC__) || defined(BSD) \

|| defined(ULTRIX)

#include <sys/wait.h>

#endif

#if defined(__NetBSD__) || defined(__FreeBSD__) || defined(__OpenBSD__)

#define tparm2(s, x) tparm(s,x,0,0,0,0,0,0,0,0)

#else

#define tparm2(s, x) tparm(s,x)

#endif

#if defined(BSD) || defined(ULTRIX)

#if !defined(DGUX) && !defined(SUNOS4) \

&& !defined(__NetBSD__) && !defined(__FreeBSD__) \

&& !defined(__OpenBSD__)

#define memcpy(d, s, n) bcopy(s, d, n)

#define memcmp(s1, s2, n) bcmp(s2, s1, n)

#endif

#ifdef SUNOS4

#include <memory.h>

#endif

#else /* therefore SYSV */

#ifdef NOT_C99

#ifndef index /* some systems seem to do this for you */

#define index strchr

#endif

#ifndef rindex

#define rindex strrchr

#endif

#endif /* NOT_C99 */

#endif /* SYSV */

/* Use the high quality random number routines. */

/* the high quality random number routines */

#ifndef USE_ISAAC64

# if defined(BSD) || defined(LINUX) || defined(ULTRIX) || defined(CYGWIN32) \

|| defined(RANDOM) || defined(MACOS)

# define Rand() random()

# else

# define Rand() lrand48()

# endif

#endif

#ifdef TIMED_DELAY

#if defined(SUNOS4) || defined(LINUX) || (defined(BSD) && !defined(ULTRIX))

#define msleep(k) usleep((k) *1000)

#endif

#ifdef ULTRIX

#define msleep(k) napms(k)

#endif

#endif

/* Relevant for some systems: some older versions

of curses (the run-time library optionally used by nethack's tty

interface in addition to its curses interface) supply 'has_colors()'

but corresponding <curses.h> doesn't declare it. has_colors() is used

in unixtty.c by init_sco_cons() and init_linux_cons(). If the compiler

complains about has_colors() not being declared, try uncommenting

NEED_HAS_COLORS_DECL. If the linker complains about has_colors not

being found, switch to ncurses() or update to newer version of curses. */

/* #define NEED_HAS_COLORS_DECL */

#ifdef hc /* older versions of the MetaWare High-C compiler define this */

#ifdef __HC__

#undef __HC__

#endif

#define __HC__ hc

#undef hc

#endif

#if defined(GNOME_GRAPHICS)

#if defined(LINUX)

#include <linux/unistd.h>

#if defined(__NR_getresuid) && defined(__NR_getresgid) /* ie., >= v2.1.44 */

#define GETRES_SUPPORT

#endif

#else

#if defined(BSD) || defined(SVR4)

/*

* [ALI] We assume that SVR4 means we can safely include syscall.h

* (although it's really a BSDism). This is certainly true for Solaris 2.5,

* Solaris 7, Solaris 8 and Compaq Tru64 5.1

* Later BSD systems will have the getresid system calls.

*/

#include <sys/syscall.h>

#if (defined(SYS_getuid) || defined(SYS_getresuid)) \

&& (defined(SYS_getgid) || defined(SYS_getresgid))

#define GETRES_SUPPORT

#endif

#endif /* BSD || SVR4 */

#endif /* LINUX */

#endif /* GNOME_GRAPHICS */

#if defined(MACOS) && !defined(LIBNH)

# define RUNTIME_PASTEBUF_SUPPORT

#endif

/*

* /dev/random is blocking on Linux, so there we default to /dev/urandom which

* should still be good enough.

* BSD systems usually have /dev/random that is supposed to be used.

* OSX is based on NetBSD kernel and has both /dev/random and /dev/urandom.

*/

#ifdef LINUX

# define DEV_RANDOM "/dev/urandom"

#else

# if defined(BSD) || defined(MACOS)

# define DEV_RANDOM "/dev/random"

# endif

#endif

#endif /* UNIXCONF_H */

#endif /* UNIX */