monop/initdeck.c

   1 /*      $NetBSD: initdeck.c,v 1.14 2001/07/22 13:34:01 wiz Exp $        */
   2
   3 /*
   4  * Copyright (c) 1980, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement:
  17  *      This product includes software developed by the University of
  18  *      California, Berkeley and its contributors.
  19  * 4. Neither the name of the University nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 #ifdef __NetBSD__
  37 #include <sys/cdefs.h>
  38 #ifndef lint
  39 __COPYRIGHT("@(#) Copyright (c) 1980, 1993\n\
  40         The Regents of the University of California.  All rights reserved.\n");
  41 #endif /* not lint */
  42
  43 #ifndef lint
  44 #if 0
  45 static char sccsid[] = "@(#)initdeck.c  8.1 (Berkeley) 5/31/93";
  46 #else
  47 __RCSID("$NetBSD: initdeck.c,v 1.14 2001/07/22 13:34:01 wiz Exp $");
  48 #endif
  49 #endif /* not lint */
  50 #endif /* __NetBSD__ */
  51
  52 #include <stdio.h>
  53 #include <stdlib.h>
  54 #include <string.h>
  55 #include <sys/types.h>
  56 #include "deck.h"
  57
  58 #ifndef u_int32_t
  59 #define u_int32_t       unsigned int
  60 #endif
  61
  62 u_int32_t
  63 h2nl(u_int32_t h)
  64 {
  65         unsigned char c[4];
  66         u_int32_t rv;
  67
  68         c[0] = (h >> 24) & 0xff;
  69         c[1] = (h >> 16) & 0xff;
  70         c[2] = (h >>  8) & 0xff;
  71         c[3] = (h >>  0) & 0xff;
  72         memcpy(&rv, c, sizeof rv);
  73
  74         return (rv);
  75 }
  76
  77 /*
  78  *      This program initializes the card files for monopoly.
  79  * It reads in a data file with Com. Chest cards, followed by
  80  * the Chance card.  The two are separated by a line of "%-".
  81  * All other cards are separated by lines of "%%".  In the front
  82  * of the file is the data for the decks in the same order.
  83  * This includes the seek pointer for the start of each card.
  84  * All cards start with their execution code, followed by the
  85  * string to print, terminated with a null byte.
  86  */
  87
  88 #define TRUE    1
  89 #define FALSE   0
  90
  91 #define bool    char
  92
  93 const char      *infile         = "cards.inp",  /* input file           */
  94                 *outfile        = "cards.pck";  /* "packed" file        */
  95
  96 DECK    deck[2];
  97
  98 FILE    *inf, *outf;
  99
 100 /* initdeck.c */
 101 int             main(int, char *[]);
 102 static void     getargs(int, char *[]);
 103 static void     fwrite_be_offt(off_t, FILE *);
 104 static void     count(void);
 105 static void     putem(void);
 106
 107 int
 108 main(ac, av)
 109         int ac;
 110         char *av[];
 111 {
 112         int i, nc;
 113
 114         /* sanity test */
 115         if (sizeof(int) != 4) {
 116                 fprintf(stderr, "sizeof(int) != 4\n");
 117                 exit(1);
 118         }
 119
 120         getargs(ac, av);
 121         if ((inf = fopen(infile, "r")) == NULL) {
 122                 perror(infile);
 123                 exit(1);
 124         }
 125         count();
 126         /*
 127          * allocate space for pointers.
 128          */
 129         CC_D.offsets = (off_t *)calloc(CC_D.num_cards + 1, /* sizeof (off_t) */ 8);
 130         CH_D.offsets = (off_t *)calloc(CH_D.num_cards + 1, /* sizeof (off_t) */ 8);
 131         if (CC_D.offsets == NULL || CH_D.offsets == NULL) {
 132                 fprintf(stderr, "out of memory\n");
 133                 exit(1);
 134         }
 135         fseek(inf, 0L, SEEK_SET);
 136         if ((outf = fopen(outfile, "w")) == NULL) {
 137                 perror(outfile);
 138                 exit(1);
 139         }
 140
 141         /*
 142          * these fields will be overwritten after the offsets are calculated,
 143          * so byte-order doesn't matter yet.
 144          */
 145         fwrite(&nc, sizeof(nc), 1, outf);
 146         fwrite(&nc, sizeof(nc), 1, outf);
 147         fwrite(CC_D.offsets, /* sizeof (off_t) */ 8, CC_D.num_cards, outf);
 148         fwrite(CH_D.offsets, /* sizeof (off_t) */ 8, CH_D.num_cards, outf);
 149
 150         /*
 151          * write out the cards themselves (calculating the offsets).
 152          */
 153         putem();
 154
 155         fclose(inf);
 156         fseek(outf, 0, SEEK_SET);
 157
 158         /* number of community chest cards first... */
 159         nc = h2nl(CC_D.num_cards);
 160         fwrite(&nc, sizeof(nc), 1, outf);
 161         /* ... then number of chance cards. */
 162         nc = h2nl(CH_D.num_cards);
 163         fwrite(&nc, sizeof(nc), 1, outf);
 164
 165         /* dump offsets in big-endian byte order */
 166         for (i = 0; i < CC_D.num_cards; i++)
 167                 fwrite_be_offt(CC_D.offsets[i], outf);
 168         for (i = 0; i < CH_D.num_cards; i++)
 169                 fwrite_be_offt(CH_D.offsets[i], outf);
 170
 171         fflush(outf);
 172         if (ferror(outf)) {
 173                 perror(outfile);
 174                 exit(1);
 175         }
 176         fclose(outf);
 177         printf("There were %d com. chest and %d chance cards\n",
 178             CC_D.num_cards, CH_D.num_cards);
 179         exit(0);
 180 }
 181
 182 static void
 183 getargs(ac, av)
 184         int ac;
 185         char *av[];
 186 {
 187         if (ac > 1)
 188                 infile = av[1];
 189         if (ac > 2)
 190                 outfile = av[2];
 191 }
 192
 193 /*
 194  * count the cards
 195  */
 196 static void
 197 count()
 198 {
 199         bool newline;
 200         DECK *in_deck;
 201         int c;
 202
 203         newline = TRUE;
 204         in_deck = &CC_D;
 205         while ((c=getc(inf)) != EOF)
 206                 if (newline && c == '%') {
 207                         newline = FALSE;
 208                         in_deck->num_cards++;
 209                         if (getc(inf) == '-')
 210                                 in_deck = &CH_D;
 211                 }
 212                 else
 213                         newline = (c == '\n');
 214         in_deck->num_cards++;
 215 }
 216
 217 /*
 218  *      put strings in the file
 219  */
 220 static void
 221 putem()
 222 {
 223         bool newline;
 224         DECK *in_deck;
 225         int c;
 226         int num;
 227
 228         in_deck = &CC_D;
 229         CC_D.num_cards = 1;
 230         CH_D.num_cards = 0;
 231         CC_D.offsets[0] = ftell(outf);
 232         putc(getc(inf), outf);
 233         putc(getc(inf), outf);
 234         for (num = 0; (c=getc(inf)) != '\n'; )
 235                 num = num * 10 + (c - '0');
 236         putw(h2nl(num), outf);
 237         newline = FALSE;
 238         while ((c=getc(inf)) != EOF)
 239                 if (newline && c == '%') {
 240                         putc('\0', outf);
 241                         newline = FALSE;
 242                         if (getc(inf) == '-')
 243                                 in_deck = &CH_D;
 244                         while (getc(inf) != '\n')
 245                                 continue;
 246                         in_deck->offsets[in_deck->num_cards++] = ftell(outf);
 247                         if ((c=getc(inf)) == EOF)
 248                                 break;
 249                         putc(c, outf);
 250                         putc(c = getc(inf), outf);
 251                         for (num = 0; (c=getc(inf)) != EOF && c != '\n'; )
 252                                 num = num * 10 + (c - '0');
 253                         putw(h2nl(num), outf);
 254                 }
 255                 else {
 256                         putc(c, outf);
 257                         newline = (c == '\n');
 258                 }
 259         putc('\0', outf);
 260 }
 261
 262 /*
 263  * fwrite_be_offt:
 264  *      Write out the off paramater as a 64 bit big endian number
 265  */
 266
 267 static void
 268 fwrite_be_offt(off, f)
 269         off_t    off;
 270         FILE    *f;
 271 {
 272         int             i;
 273         unsigned char   c[8];
 274
 275         for (i = 7; i >= 0; i--) {
 276                 c[i] = off & 0xff;
 277                 off >>= 8;
 278         }
 279         fwrite(c, sizeof(c), 1, f);
 280 }