hack/config.h

   1 /*      $NetBSD: config.h,v 1.9 2011/08/06 19:47:54 dholland Exp $      */
   2
   3 /*
   4  * Copyright (c) 1985, Stichting Centrum voor Wiskunde en Informatica,
   5  * Amsterdam
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions are
  10  * met:
  11  *
  12  * - Redistributions of source code must retain the above copyright notice,
  13  * this list of conditions and the following disclaimer.
  14  *
  15  * - Redistributions in binary form must reproduce the above copyright
  16  * notice, this list of conditions and the following disclaimer in the
  17  * documentation and/or other materials provided with the distribution.
  18  *
  19  * - Neither the name of the Stichting Centrum voor Wiskunde en
  20  * Informatica, nor the names of its contributors may be used to endorse or
  21  * promote products derived from this software without specific prior
  22  * written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  25  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  26  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  27  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  28  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  29  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  30  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  31  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  32  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  33  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  34  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  35  */
  36
  37 /*
  38  * Copyright (c) 1982 Jay Fenlason <hack@gnu.org>
  39  * All rights reserved.
  40  *
  41  * Redistribution and use in source and binary forms, with or without
  42  * modification, are permitted provided that the following conditions
  43  * are met:
  44  * 1. Redistributions of source code must retain the above copyright
  45  *    notice, this list of conditions and the following disclaimer.
  46  * 2. Redistributions in binary form must reproduce the above copyright
  47  *    notice, this list of conditions and the following disclaimer in the
  48  *    documentation and/or other materials provided with the distribution.
  49  * 3. The name of the author may not be used to endorse or promote products
  50  *    derived from this software without specific prior written permission.
  51  *
  52  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
  53  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
  54  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
  55  * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  56  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  57  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  58  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  59  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  60  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  61  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  62  */
  63
  64 #include "pathnames.h"
  65
  66 #ifndef CONFIG  /* make sure the compiler doesnt see the typedefs twice */
  67
  68 #define CONFIG
  69 #define UNIX            /* delete if no fork(), exec() available */
  70 #define CHDIR           /* delete if no chdir() available */
  71
  72 /*
  73  * Some include files are in a different place under SYSV
  74  *      BSD                SYSV
  75  * <sys/wait.h>         <wait.h>
  76  * <sys/time.h>         <time.h>
  77  * <sgtty.h>            <termio.h>
  78  *
  79  * Also, the code for suspend and various ioctls is only given for BSD4.2
  80  * (I do not have access to a SYSV system.)
  81  */
  82 #define BSD             /* delete this line on System V */
  83
  84 /* #define STUPID */    /* avoid some complicated expressions if
  85                            your C compiler chokes on them */
  86 /* #define NOWAITINCLUDE */     /* neither <wait.h> nor <sys/wait.h> exists */
  87
  88 #define WIZARD  "bruno" /* the person allowed to use the -D option */
  89 #define RECORD  "record"/* the file containing the list of topscorers */
  90 #define NEWS    "news"  /* the file containing the latest hack news */
  91 #define HELP    "help"  /* the file containing a description of the commands */
  92 #define SHELP   "hh"    /* abbreviated form of the same */
  93 #define RUMORFILE       "rumors"        /* a file with fortune cookies */
  94 #define DATAFILE        "data"  /* a file giving the meaning of symbols used */
  95 #define FMASK   0660    /* file creation mask */
  96 #define HLOCK   "perm"  /* an empty file used for locking purposes */
  97 #define LLOCK   "safelock"      /* link to previous */
  98
  99 #ifdef UNIX
 100 /*
 101  * Define DEF_PAGER as your default pager, e.g. "/bin/cat" or "/usr/ucb/more"
 102  * If defined, it can be overridden by the environment variable PAGER.
 103  * Hack will use its internal pager if DEF_PAGER is not defined.
 104  * (This might be preferable for security reasons.)
 105  * #define DEF_PAGER    ".../mydir/mypager"
 106  */
 107
 108 /*
 109  * If you define MAIL, then the player will be notified of new mail
 110  * when it arrives. If you also define DEF_MAILREADER then this will
 111  * be the default mail reader, and can be overridden by the environment
 112  * variable MAILREADER; otherwise an internal pager will be used.
 113  * A stat system call is done on the mailbox every MAILCKFREQ moves.
 114  */
 115 /* #define      MAIL */
 116 #define DEF_MAILREADER  _PATH_MAIL              /* or e.g. /bin/mail */
 117 #define MAILCKFREQ      100
 118
 119
 120 #define SHELL           /* do not delete the '!' command */
 121
 122 #ifdef BSD
 123 #define SUSPEND         /* let ^Z suspend the game */
 124 #endif /* BSD */
 125 #endif /* UNIX */
 126
 127 #ifdef CHDIR
 128 /*
 129  * If you define HACKDIR, then this will be the default playground;
 130  * otherwise it will be the current directory.
 131  */
 132 #ifdef QUEST
 133 #define HACKDIR _PATH_QUEST
 134 #else /* QUEST */
 135 #define HACKDIR _PATH_HACK
 136 #endif /* QUEST */
 137
 138 /*
 139  * Some system administrators are stupid enough to make Hack suid root
 140  * or suid daemon, where daemon has other powers besides that of reading or
 141  * writing Hack files. In such cases one should be careful with chdir's
 142  * since the user might create files in a directory of his choice.
 143  * Of course SECURE is meaningful only if HACKDIR is defined.
 144  */
 145 #define SECURE                  /* do setuid(getuid()) after chdir() */
 146
 147 /*
 148  * If it is desirable to limit the number of people that can play Hack
 149  * simultaneously, define HACKDIR, SECURE and MAX_NR_OF_PLAYERS.
 150  * #define MAX_NR_OF_PLAYERS    100
 151  */
 152 #endif /* CHDIR */
 153
 154 /* size of terminal screen is (at least) (ROWNO+2) by COLNO */
 155 #define COLNO   80
 156 #define ROWNO   22
 157
 158 /*
 159  * small signed integers (8 bits suffice)
 160  *      typedef char    schar;
 161  * will do when you have signed characters; otherwise use
 162  *      typedef short int schar;
 163  *
 164  * Use short chars anyway to avoid warnings.
 165  */
 166 #if 1
 167 typedef short int       schar;
 168 #else
 169 typedef char            schar;
 170 #endif
 171
 172 /*
 173  * small unsigned integers (8 bits suffice - but 7 bits do not)
 174  * - these are usually object types; be careful with inequalities! -
 175  *      typedef unsigned char   uchar;
 176  * will be satisfactory if you have an "unsigned char" type; otherwise use
 177  *      typedef unsigned short int uchar;
 178  */
 179 typedef unsigned char   uchar;
 180
 181 /*
 182  * small integers in the range 0 - 127, usually coordinates
 183  * although they are nonnegative they must not be declared unsigned
 184  * since otherwise comparisons with signed quantities are done incorrectly
 185  */
 186 typedef schar   xchar;
 187 typedef xchar   boolean;                /* 0 or 1 */
 188 #define TRUE    1
 189 #define FALSE   0
 190
 191 /*
 192  * Declaration of bitfields in various structs; if your C compiler
 193  * doesnt handle bitfields well, e.g., if it is unable to initialize
 194  * structs containing bitfields, then you might use
 195  *      #define Bitfield(x,n)   uchar x
 196  * since the bitfields used never have more than 7 bits. (Most have 1 bit.)
 197  */
 198 #define Bitfield(x,n)   unsigned x:n
 199
 200 #define SIZE(x) (int)(sizeof(x) / sizeof(x[0]))
 201
 202 #endif /* CONFIG */