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config.h revision 1.1 
      1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
      2 /* config.h - version 1.0.3 */
      3 
      4 #include "pathnames.h"
      5 
      6 #ifndef CONFIG	/* make sure the compiler doesnt see the typedefs twice */
      7 
      8 #define	CONFIG
      9 #define	UNIX		/* delete if no fork(), exec() available */
     10 #define	CHDIR		/* delete if no chdir() available */
     11 
     12 /*
     13  * Some include files are in a different place under SYSV
     14  * 	BSD		   SYSV
     15  * <sys/wait.h>		<wait.h>
     16  * <sys/time.h>		<time.h>
     17  * <sgtty.h>		<termio.h>
     18  * Some routines are called differently
     19  * index		strchr
     20  * rindex		strrchr
     21  * Also, the code for suspend and various ioctls is only given for BSD4.2
     22  * (I do not have access to a SYSV system.)
     23  */
     24 #define BSD		/* delete this line on System V */
     25 
     26 /* #define STUPID */	/* avoid some complicated expressions if
     27 			   your C compiler chokes on them */
     28 /* #define PYRAMID_BUG */	/* avoid a bug on the Pyramid */
     29 /* #define NOWAITINCLUDE */	/* neither <wait.h> nor <sys/wait.h> exists */
     30 
     31 #define WIZARD  "bruno"	/* the person allowed to use the -D option */
     32 #define RECORD	"record"/* the file containing the list of topscorers */
     33 #define	NEWS	"news"	/* the file containing the latest hack news */
     34 #define	HELP	"help"	/* the file containing a description of the commands */
     35 #define	SHELP	"hh"	/* abbreviated form of the same */
     36 #define	RUMORFILE	"rumors"	/* a file with fortune cookies */
     37 #define	DATAFILE	"data"	/* a file giving the meaning of symbols used */
     38 #define	FMASK	0660	/* file creation mask */
     39 #define	HLOCK	"perm"	/* an empty file used for locking purposes */
     40 #define LLOCK	"safelock"	/* link to previous */
     41 
     42 #ifdef UNIX
     43 /*
     44  * Define DEF_PAGER as your default pager, e.g. "/bin/cat" or "/usr/ucb/more"
     45  * If defined, it can be overridden by the environment variable PAGER.
     46  * Hack will use its internal pager if DEF_PAGER is not defined.
     47  * (This might be preferable for security reasons.)
     48  * #define DEF_PAGER	".../mydir/mypager"
     49  */
     50 
     51 /*
     52  * If you define MAIL, then the player will be notified of new mail
     53  * when it arrives. If you also define DEF_MAILREADER then this will
     54  * be the default mail reader, and can be overridden by the environment
     55  * variable MAILREADER; otherwise an internal pager will be used.
     56  * A stat system call is done on the mailbox every MAILCKFREQ moves.
     57  */
     58 /* #define	MAIL */
     59 #define	DEF_MAILREADER	_PATH_MAIL		/* or e.g. /bin/mail */
     60 #define	MAILCKFREQ	100
     61 
     62 
     63 #define SHELL		/* do not delete the '!' command */
     64 
     65 #ifdef BSD
     66 #define	SUSPEND		/* let ^Z suspend the game */
     67 #endif BSD
     68 #endif UNIX
     69 
     70 #ifdef CHDIR
     71 /*
     72  * If you define HACKDIR, then this will be the default playground;
     73  * otherwise it will be the current directory.
     74  */
     75 #ifdef QUEST
     76 #define HACKDIR _PATH_QUEST
     77 #else QUEST
     78 #define HACKDIR	_PATH_HACK
     79 #endif QUEST
     80 
     81 /*
     82  * Some system administrators are stupid enough to make Hack suid root
     83  * or suid daemon, where daemon has other powers besides that of reading or
     84  * writing Hack files. In such cases one should be careful with chdir's
     85  * since the user might create files in a directory of his choice.
     86  * Of course SECURE is meaningful only if HACKDIR is defined.
     87  */
     88 #define SECURE			/* do setuid(getuid()) after chdir() */
     89 
     90 /*
     91  * If it is desirable to limit the number of people that can play Hack
     92  * simultaneously, define HACKDIR, SECURE and MAX_NR_OF_PLAYERS.
     93  * #define MAX_NR_OF_PLAYERS	100
     94  */
     95 #endif CHDIR
     96 
     97 /* size of terminal screen is (at least) (ROWNO+2) by COLNO */
     98 #define	COLNO	80
     99 #define	ROWNO	22
    100 
    101 /*
    102  * small signed integers (8 bits suffice)
    103  *	typedef	char	schar;
    104  * will do when you have signed characters; otherwise use
    105  *	typedef	short int schar;
    106  */
    107 typedef	char	schar;
    108 
    109 /*
    110  * small unsigned integers (8 bits suffice - but 7 bits do not)
    111  * - these are usually object types; be careful with inequalities! -
    112  *	typedef	unsigned char	uchar;
    113  * will be satisfactory if you have an "unsigned char" type; otherwise use
    114  *	typedef unsigned short int uchar;
    115  */
    116 typedef	unsigned char	uchar;
    117 
    118 /*
    119  * small integers in the range 0 - 127, usually coordinates
    120  * although they are nonnegative they must not be declared unsigned
    121  * since otherwise comparisons with signed quantities are done incorrectly
    122  */
    123 typedef schar	xchar;
    124 typedef	xchar	boolean;		/* 0 or 1 */
    125 #define	TRUE	1
    126 #define	FALSE	0
    127 
    128 /*
    129  * Declaration of bitfields in various structs; if your C compiler
    130  * doesnt handle bitfields well, e.g., if it is unable to initialize
    131  * structs containing bitfields, then you might use
    132  *	#define Bitfield(x,n)	uchar x
    133  * since the bitfields used never have more than 7 bits. (Most have 1 bit.)
    134  */
    135 #define	Bitfield(x,n)	unsigned x:n
    136 
    137 #define	SIZE(x)	(int)(sizeof(x) / sizeof(x[0]))
    138 
    139 #endif CONFIG
    140