monop/initdeck.c

   1 /*      $NetBSD: initdeck.c,v 1.16 2008/02/19 08:07:51 dholland 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. Neither the name of the University nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  */
  31
  32 #ifdef __NetBSD__
  33 #include <sys/cdefs.h>
  34 #ifndef lint
  35 __COPYRIGHT("@(#) Copyright (c) 1980, 1993\n\
  36         The Regents of the University of California.  All rights reserved.\n");
  37 #endif /* not lint */
  38
  39 #ifndef lint
  40 #if 0
  41 static char sccsid[] = "@(#)initdeck.c  8.1 (Berkeley) 5/31/93";
  42 #else
  43 __RCSID("$NetBSD: initdeck.c,v 1.16 2008/02/19 08:07:51 dholland Exp $");
  44 #endif
  45 #endif /* not lint */
  46 #endif /* __NetBSD__ */
  47
  48 #include <stdio.h>
  49 #include <stdlib.h>
  50 #include <string.h>
  51 #include <sys/types.h>
  52 #include "deck.h"
  53
  54 #ifndef u_int32_t
  55 #define u_int32_t       unsigned int
  56 #endif
  57
  58 u_int32_t
  59 h2nl(u_int32_t h)
  60 {
  61         unsigned char c[4];
  62         u_int32_t rv;
  63
  64         c[0] = (h >> 24) & 0xff;
  65         c[1] = (h >> 16) & 0xff;
  66         c[2] = (h >>  8) & 0xff;
  67         c[3] = (h >>  0) & 0xff;
  68         memcpy(&rv, c, sizeof rv);
  69
  70         return (rv);
  71 }
  72
  73 /*
  74  *      This program initializes the card files for monopoly.
  75  * It reads in a data file with Com. Chest cards, followed by
  76  * the Chance card.  The two are separated by a line of "%-".
  77  * All other cards are separated by lines of "%%".  In the front
  78  * of the file is the data for the decks in the same order.
  79  * This includes the seek pointer for the start of each card.
  80  * All cards start with their execution code, followed by the
  81  * string to print, terminated with a null byte.
  82  */
  83
  84 #define TRUE    1
  85 #define FALSE   0
  86
  87 #define bool    char
  88
  89 const char      *infile         = "cards.inp",  /* input file           */
  90                 *outfile        = "cards.pck";  /* "packed" file        */
  91
  92 DECK    deck[2];
  93
  94 FILE    *inf, *outf;
  95
  96 /* initdeck.c */
  97 int             main(int, char *[]);
  98 static void     getargs(int, char *[]);
  99 static void     fwrite_be_offt(off_t, FILE *);
 100 static void     count(void);
 101 static void     putem(void);
 102
 103 int
 104 main(ac, av)
 105         int ac;
 106         char *av[];
 107 {
 108         int i, nc;
 109
 110         /* sanity test */
 111         if (sizeof(int) != 4) {
 112                 fprintf(stderr, "sizeof(int) != 4\n");
 113                 exit(1);
 114         }
 115
 116         getargs(ac, av);
 117         if ((inf = fopen(infile, "r")) == NULL) {
 118                 perror(infile);
 119                 exit(1);
 120         }
 121         count();
 122         /*
 123          * allocate space for pointers.
 124          */
 125         CC_D.offsets = (off_t *)calloc(CC_D.num_cards + 1, /* sizeof (off_t) */ 8);
 126         CH_D.offsets = (off_t *)calloc(CH_D.num_cards + 1, /* sizeof (off_t) */ 8);
 127         if (CC_D.offsets == NULL || CH_D.offsets == NULL) {
 128                 fprintf(stderr, "out of memory\n");
 129                 exit(1);
 130         }
 131         fseek(inf, 0L, SEEK_SET);
 132         if ((outf = fopen(outfile, "w")) == NULL) {
 133                 perror(outfile);
 134                 exit(1);
 135         }
 136
 137         /*
 138          * these fields will be overwritten after the offsets are calculated,
 139          * so byte-order doesn't matter yet.
 140          */
 141         fwrite(&nc, sizeof(nc), 1, outf);
 142         fwrite(&nc, sizeof(nc), 1, outf);
 143         fwrite(CC_D.offsets, /* sizeof (off_t) */ 8, CC_D.num_cards, outf);
 144         fwrite(CH_D.offsets, /* sizeof (off_t) */ 8, CH_D.num_cards, outf);
 145
 146         /*
 147          * write out the cards themselves (calculating the offsets).
 148          */
 149         putem();
 150
 151         fclose(inf);
 152         fseek(outf, 0, SEEK_SET);
 153
 154         /* number of community chest cards first... */
 155         nc = h2nl(CC_D.num_cards);
 156         fwrite(&nc, sizeof(nc), 1, outf);
 157         /* ... then number of chance cards. */
 158         nc = h2nl(CH_D.num_cards);
 159         fwrite(&nc, sizeof(nc), 1, outf);
 160
 161         /* dump offsets in big-endian byte order */
 162         for (i = 0; i < CC_D.num_cards; i++)
 163                 fwrite_be_offt(CC_D.offsets[i], outf);
 164         for (i = 0; i < CH_D.num_cards; i++)
 165                 fwrite_be_offt(CH_D.offsets[i], outf);
 166
 167         fflush(outf);
 168         if (ferror(outf)) {
 169                 perror(outfile);
 170                 exit(1);
 171         }
 172         fclose(outf);
 173         printf("There were %d com. chest and %d chance cards\n",
 174             CC_D.num_cards, CH_D.num_cards);
 175         exit(0);
 176 }
 177
 178 static void
 179 getargs(ac, av)
 180         int ac;
 181         char *av[];
 182 {
 183         if (ac > 1)
 184                 infile = av[1];
 185         if (ac > 2)
 186                 outfile = av[2];
 187 }
 188
 189 /*
 190  * count the cards
 191  */
 192 static void
 193 count()
 194 {
 195         bool newline;
 196         DECK *in_deck;
 197         int c;
 198
 199         newline = TRUE;
 200         in_deck = &CC_D;
 201         while ((c=getc(inf)) != EOF)
 202                 if (newline && c == '%') {
 203                         newline = FALSE;
 204                         in_deck->num_cards++;
 205                         if (getc(inf) == '-')
 206                                 in_deck = &CH_D;
 207                 }
 208                 else
 209                         newline = (c == '\n');
 210         in_deck->num_cards++;
 211 }
 212
 213 /*
 214  *      put strings in the file
 215  */
 216 static void
 217 putem()
 218 {
 219         bool newline;
 220         DECK *in_deck;
 221         int c;
 222         int num;
 223
 224         in_deck = &CC_D;
 225         CC_D.num_cards = 1;
 226         CH_D.num_cards = 0;
 227         CC_D.offsets[0] = ftell(outf);
 228         putc(getc(inf), outf);
 229         putc(getc(inf), outf);
 230         for (num = 0; (c=getc(inf)) != '\n'; )
 231                 num = num * 10 + (c - '0');
 232         putw(h2nl(num), outf);
 233         newline = FALSE;
 234         while ((c=getc(inf)) != EOF)
 235                 if (newline && c == '%') {
 236                         putc('\0', outf);
 237                         newline = FALSE;
 238                         if (getc(inf) == '-')
 239                                 in_deck = &CH_D;
 240                         while (getc(inf) != '\n')
 241                                 continue;
 242                         in_deck->offsets[in_deck->num_cards++] = ftell(outf);
 243                         if ((c=getc(inf)) == EOF)
 244                                 break;
 245                         putc(c, outf);
 246                         putc(c = getc(inf), outf);
 247                         for (num = 0; (c=getc(inf)) != EOF && c != '\n'; )
 248                                 num = num * 10 + (c - '0');
 249                         putw(h2nl(num), outf);
 250                 }
 251                 else {
 252                         putc(c, outf);
 253                         newline = (c == '\n');
 254                 }
 255         putc('\0', outf);
 256 }
 257
 258 /*
 259  * fwrite_be_offt:
 260  *      Write out the off parameter as a 64 bit big endian number
 261  */
 262
 263 static void
 264 fwrite_be_offt(off, f)
 265         off_t    off;
 266         FILE    *f;
 267 {
 268         int             i;
 269         unsigned char   c[8];
 270
 271         for (i = 7; i >= 0; i--) {
 272                 c[i] = off & 0xff;
 273                 off >>= 8;
 274         }
 275         fwrite(c, sizeof(c), 1, f);
 276 }