hack/config.h

   1 /*      $NetBSD: config.h,v 1.6 2001/01/16 02:50:28 cgd Exp $   */
   2
   3 /*
   4  * Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985.
   5  */
   6
   7 #include "pathnames.h"
   8
   9 #ifndef CONFIG  /* make sure the compiler doesnt see the typedefs twice */
  10
  11 #define CONFIG
  12 #define UNIX            /* delete if no fork(), exec() available */
  13 #define CHDIR           /* delete if no chdir() available */
  14
  15 /*
  16  * Some include files are in a different place under SYSV
  17  *      BSD                SYSV
  18  * <sys/wait.h>         <wait.h>
  19  * <sys/time.h>         <time.h>
  20  * <sgtty.h>            <termio.h>
  21  * Some routines are called differently
  22  * index                strchr
  23  * rindex               strrchr
  24  * Also, the code for suspend and various ioctls is only given for BSD4.2
  25  * (I do not have access to a SYSV system.)
  26  */
  27 #define BSD             /* delete this line on System V */
  28
  29 /* #define STUPID */    /* avoid some complicated expressions if
  30                            your C compiler chokes on them */
  31 /* #define PYRAMID_BUG */       /* avoid a bug on the Pyramid */
  32 /* #define NOWAITINCLUDE */     /* neither <wait.h> nor <sys/wait.h> exists */
  33
  34 #define WIZARD  "bruno" /* the person allowed to use the -D option */
  35 #define RECORD  "record"/* the file containing the list of topscorers */
  36 #define NEWS    "news"  /* the file containing the latest hack news */
  37 #define HELP    "help"  /* the file containing a description of the commands */
  38 #define SHELP   "hh"    /* abbreviated form of the same */
  39 #define RUMORFILE       "rumors"        /* a file with fortune cookies */
  40 #define DATAFILE        "data"  /* a file giving the meaning of symbols used */
  41 #define FMASK   0660    /* file creation mask */
  42 #define HLOCK   "perm"  /* an empty file used for locking purposes */
  43 #define LLOCK   "safelock"      /* link to previous */
  44
  45 #ifdef UNIX
  46 /*
  47  * Define DEF_PAGER as your default pager, e.g. "/bin/cat" or "/usr/ucb/more"
  48  * If defined, it can be overridden by the environment variable PAGER.
  49  * Hack will use its internal pager if DEF_PAGER is not defined.
  50  * (This might be preferable for security reasons.)
  51  * #define DEF_PAGER    ".../mydir/mypager"
  52  */
  53
  54 /*
  55  * If you define MAIL, then the player will be notified of new mail
  56  * when it arrives. If you also define DEF_MAILREADER then this will
  57  * be the default mail reader, and can be overridden by the environment
  58  * variable MAILREADER; otherwise an internal pager will be used.
  59  * A stat system call is done on the mailbox every MAILCKFREQ moves.
  60  */
  61 /* #define      MAIL */
  62 #define DEF_MAILREADER  _PATH_MAIL              /* or e.g. /bin/mail */
  63 #define MAILCKFREQ      100
  64
  65
  66 #define SHELL           /* do not delete the '!' command */
  67
  68 #ifdef BSD
  69 #define SUSPEND         /* let ^Z suspend the game */
  70 #endif /* BSD */
  71 #endif /* UNIX */
  72
  73 #ifdef CHDIR
  74 /*
  75  * If you define HACKDIR, then this will be the default playground;
  76  * otherwise it will be the current directory.
  77  */
  78 #ifdef QUEST
  79 #define HACKDIR _PATH_QUEST
  80 #else /* QUEST */
  81 #define HACKDIR _PATH_HACK
  82 #endif /* QUEST */
  83
  84 /*
  85  * Some system administrators are stupid enough to make Hack suid root
  86  * or suid daemon, where daemon has other powers besides that of reading or
  87  * writing Hack files. In such cases one should be careful with chdir's
  88  * since the user might create files in a directory of his choice.
  89  * Of course SECURE is meaningful only if HACKDIR is defined.
  90  */
  91 #define SECURE                  /* do setuid(getuid()) after chdir() */
  92
  93 /*
  94  * If it is desirable to limit the number of people that can play Hack
  95  * simultaneously, define HACKDIR, SECURE and MAX_NR_OF_PLAYERS.
  96  * #define MAX_NR_OF_PLAYERS    100
  97  */
  98 #endif /* CHDIR */
  99
 100 /* size of terminal screen is (at least) (ROWNO+2) by COLNO */
 101 #define COLNO   80
 102 #define ROWNO   22
 103
 104 /*
 105  * small signed integers (8 bits suffice)
 106  *      typedef char    schar;
 107  * will do when you have signed characters; otherwise use
 108  *      typedef short int schar;
 109  *
 110  * Use short chars anyway to avoid warnings.
 111  */
 112 #if 1
 113 typedef short int       schar;
 114 #else
 115 typedef char            schar;
 116 #endif
 117
 118 /*
 119  * small unsigned integers (8 bits suffice - but 7 bits do not)
 120  * - these are usually object types; be careful with inequalities! -
 121  *      typedef unsigned char   uchar;
 122  * will be satisfactory if you have an "unsigned char" type; otherwise use
 123  *      typedef unsigned short int uchar;
 124  */
 125 typedef unsigned char   uchar;
 126
 127 /*
 128  * small integers in the range 0 - 127, usually coordinates
 129  * although they are nonnegative they must not be declared unsigned
 130  * since otherwise comparisons with signed quantities are done incorrectly
 131  */
 132 typedef schar   xchar;
 133 typedef xchar   boolean;                /* 0 or 1 */
 134 #define TRUE    1
 135 #define FALSE   0
 136
 137 /*
 138  * Declaration of bitfields in various structs; if your C compiler
 139  * doesnt handle bitfields well, e.g., if it is unable to initialize
 140  * structs containing bitfields, then you might use
 141  *      #define Bitfield(x,n)   uchar x
 142  * since the bitfields used never have more than 7 bits. (Most have 1 bit.)
 143  */
 144 #define Bitfield(x,n)   unsigned x:n
 145
 146 #define SIZE(x) (int)(sizeof(x) / sizeof(x[0]))
 147
 148 #endif /* CONFIG */