NetBSD/games/monop/initdeck.c

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/* $NetBSD: initdeck.c,v 1.12 1999/12/30 01:40:08 simonb Exp $ */
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/*
* Copyright (c) 1980, 1993
* The Regents of the University of California. All rights reserved.
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*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifdef __NetBSD__
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#include <sys/cdefs.h>
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#ifndef lint
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__COPYRIGHT("@(#) Copyright (c) 1980, 1993\n\
The Regents of the University of California. All rights reserved.\n");
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#endif /* not lint */
#ifndef lint
#if 0
static char sccsid[] = "@(#)initdeck.c 8.1 (Berkeley) 5/31/93";
#else
__RCSID("$NetBSD: initdeck.c,v 1.12 1999/12/30 01:40:08 simonb Exp $");
#endif
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#endif /* not lint */
#endif /* __NetBSD__ */
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#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
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#include "deck.h"
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/*
* This program initializes the card files for monopoly.
* It reads in a data file with Com. Chest cards, followed by
* the Chance card. The two are seperated by a line of "%-".
* All other cards are seperated by lines of "%%". In the front
* of the file is the data for the decks in the same order.
* This includes the seek pointer for the start of each card.
* All cards start with their execution code, followed by the
* string to print, terminated with a null byte.
*/
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#define TRUE 1
#define FALSE 0
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#define bool char
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const char *infile = "cards.inp", /* input file */
*outfile = "cards.pck"; /* "packed" file */
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DECK deck[2];
FILE *inf, *outf;
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/* initdeck.c */
int main(int, char *[]);
static void getargs(int, char *[]);
static void fwrite_be_offt(off_t, FILE *);
static void count(void);
static void putem(void);
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int
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main(ac, av)
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int ac;
char *av[];
{
int i, nc;
/* sanity test */
if (sizeof(int) != 4) {
fprintf(stderr, "sizeof(int) != 4\n");
exit(1);
}
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getargs(ac, av);
if ((inf = fopen(infile, "r")) == NULL) {
perror(infile);
exit(1);
}
count();
/*
* allocate space for pointers.
*/
CC_D.offsets = (off_t *)calloc(CC_D.num_cards + 1, /* sizeof (off_t) */ 8);
CH_D.offsets = (off_t *)calloc(CH_D.num_cards + 1, /* sizeof (off_t) */ 8);
if (CC_D.offsets == NULL || CH_D.offsets == NULL) {
fprintf(stderr, "out of memory\n");
exit(1);
}
fseek(inf, 0L, SEEK_SET);
if ((outf = fopen(outfile, "w")) == NULL) {
perror(outfile);
exit(1);
}
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/*
* these fields will be overwritten after the offsets are calculated,
* so byte-order doesn't matter yet.
*/
fwrite(&nc, sizeof(nc), 1, outf);
fwrite(&nc, sizeof(nc), 1, outf);
fwrite(CC_D.offsets, /* sizeof (off_t) */ 8, CC_D.num_cards, outf);
fwrite(CH_D.offsets, /* sizeof (off_t) */ 8, CH_D.num_cards, outf);
/*
* write out the cards themselves (calculating the offsets).
*/
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putem();
fclose(inf);
fseek(outf, 0, SEEK_SET);
/* number of community chest cards first... */
nc = htonl(CC_D.num_cards);
fwrite(&nc, sizeof(nc), 1, outf);
/* ... then number of chance cards. */
nc = htonl(CH_D.num_cards);
fwrite(&nc, sizeof(nc), 1, outf);
/* dump offsets in big-endian byte order */
for (i = 0; i < CC_D.num_cards; i++)
fwrite_be_offt(CC_D.offsets[i], outf);
for (i = 0; i < CH_D.num_cards; i++)
fwrite_be_offt(CH_D.offsets[i], outf);
fflush(outf);
if (ferror(outf)) {
perror(outfile);
exit(1);
}
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fclose(outf);
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printf("There were %d com. chest and %d chance cards\n",
CC_D.num_cards, CH_D.num_cards);
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exit(0);
}
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static void
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getargs(ac, av)
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int ac;
char *av[];
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{
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if (ac > 1)
infile = av[1];
if (ac > 2)
outfile = av[2];
}
/*
* count the cards
*/
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static void
count()
{
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bool newline;
DECK *in_deck;
int c;
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newline = TRUE;
in_deck = &CC_D;
while ((c=getc(inf)) != EOF)
if (newline && c == '%') {
newline = FALSE;
in_deck->num_cards++;
if (getc(inf) == '-')
in_deck = &CH_D;
}
else
newline = (c == '\n');
in_deck->num_cards++;
}
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/*
* put strings in the file
*/
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static void
putem()
{
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bool newline;
DECK *in_deck;
int c;
int num;
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in_deck = &CC_D;
CC_D.num_cards = 1;
CH_D.num_cards = 0;
CC_D.offsets[0] = ftell(outf);
putc(getc(inf), outf);
putc(getc(inf), outf);
for (num = 0; (c=getc(inf)) != '\n'; )
num = num * 10 + (c - '0');
putw(htonl(num), outf);
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newline = FALSE;
while ((c=getc(inf)) != EOF)
if (newline && c == '%') {
putc('\0', outf);
newline = FALSE;
if (getc(inf) == '-')
in_deck = &CH_D;
while (getc(inf) != '\n')
continue;
in_deck->offsets[in_deck->num_cards++] = ftell(outf);
if ((c=getc(inf)) == EOF)
break;
putc(c, outf);
putc(c = getc(inf), outf);
for (num = 0; (c=getc(inf)) != EOF && c != '\n'; )
num = num * 10 + (c - '0');
putw(htonl(num), outf);
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}
else {
putc(c, outf);
newline = (c == '\n');
}
putc('\0', outf);
}
/*
* fwrite_be_offt:
* Write out the off paramater as a 64 bit big endian number
*/
static void
fwrite_be_offt(off, f)
off_t off;
FILE *f;
{
int i;
unsigned char c[8];
for (i = 7; i >= 0; i--) {
c[i] = off & 0xff;
off >>= 8;
}
fwrite(c, sizeof(c), 1, f);
}