277 lines
6.5 KiB
C
277 lines
6.5 KiB
C
/* $NetBSD: initdeck.c,v 1.15 2003/08/07 09:37:28 agc Exp $ */
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/*
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* Copyright (c) 1980, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#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\
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The Regents of the University of California. All rights reserved.\n");
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#endif /* not lint */
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)initdeck.c 8.1 (Berkeley) 5/31/93";
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#else
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__RCSID("$NetBSD: initdeck.c,v 1.15 2003/08/07 09:37:28 agc Exp $");
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#endif
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#endif /* not lint */
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#endif /* __NetBSD__ */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include "deck.h"
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#ifndef u_int32_t
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#define u_int32_t unsigned int
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#endif
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static u_int32_t
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h2nl(u_int32_t h)
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{
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unsigned char c[4];
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u_int32_t rv;
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c[0] = (h >> 24) & 0xff;
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c[1] = (h >> 16) & 0xff;
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c[2] = (h >> 8) & 0xff;
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c[3] = (h >> 0) & 0xff;
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memcpy(&rv, c, sizeof rv);
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return (rv);
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}
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/*
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* This program initializes the card files for monopoly.
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* It reads in a data file with Com. Chest cards, followed by
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* the Chance card. The two are separated by a line of "%-".
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* All other cards are separated by lines of "%%". In the front
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* of the file is the data for the decks in the same order.
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* This includes the seek pointer for the start of each card.
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* All cards start with their execution code, followed by the
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* string to print, terminated with a null byte.
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*/
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#define TRUE 1
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#define FALSE 0
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#define bool char
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const char *infile = "cards.inp", /* input file */
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*outfile = "cards.pck"; /* "packed" file */
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DECK deck[2];
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FILE *inf, *outf;
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/* initdeck.c */
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int main(int, char *[]);
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static void getargs(int, char *[]);
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static void fwrite_be_offt(off_t, FILE *);
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static void count(void);
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static void putem(void);
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int
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main(ac, av)
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int ac;
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char *av[];
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{
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int i, nc;
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/* sanity test */
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if (sizeof(int) != 4) {
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fprintf(stderr, "sizeof(int) != 4\n");
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exit(1);
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}
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getargs(ac, av);
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if ((inf = fopen(infile, "r")) == NULL) {
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perror(infile);
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exit(1);
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}
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count();
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/*
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* allocate space for pointers.
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*/
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CC_D.offsets = calloc(CC_D.num_cards + 1, /* sizeof (off_t) */ 8);
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CH_D.offsets = calloc(CH_D.num_cards + 1, /* sizeof (off_t) */ 8);
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if (CC_D.offsets == NULL || CH_D.offsets == NULL) {
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fprintf(stderr, "out of memory\n");
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exit(1);
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}
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fseek(inf, 0L, SEEK_SET);
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if ((outf = fopen(outfile, "w")) == NULL) {
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perror(outfile);
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exit(1);
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}
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/*
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* these fields will be overwritten after the offsets are calculated,
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* so byte-order doesn't matter yet.
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*/
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fwrite(&nc, sizeof(nc), 1, outf);
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fwrite(&nc, sizeof(nc), 1, outf);
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fwrite(CC_D.offsets, /* sizeof (off_t) */ 8, CC_D.num_cards, outf);
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fwrite(CH_D.offsets, /* sizeof (off_t) */ 8, CH_D.num_cards, outf);
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/*
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* write out the cards themselves (calculating the offsets).
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*/
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putem();
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fclose(inf);
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fseek(outf, 0, SEEK_SET);
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/* number of community chest cards first... */
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nc = h2nl(CC_D.num_cards);
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fwrite(&nc, sizeof(nc), 1, outf);
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/* ... then number of chance cards. */
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nc = h2nl(CH_D.num_cards);
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fwrite(&nc, sizeof(nc), 1, outf);
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/* dump offsets in big-endian byte order */
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for (i = 0; i < CC_D.num_cards; i++)
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fwrite_be_offt(CC_D.offsets[i], outf);
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for (i = 0; i < CH_D.num_cards; i++)
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fwrite_be_offt(CH_D.offsets[i], outf);
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fflush(outf);
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if (ferror(outf)) {
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perror(outfile);
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exit(1);
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}
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fclose(outf);
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printf("There were %d com. chest and %d chance cards\n",
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CC_D.num_cards, CH_D.num_cards);
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exit(0);
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}
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static void
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getargs(ac, av)
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int ac;
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char *av[];
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{
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if (ac > 1)
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infile = av[1];
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if (ac > 2)
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outfile = av[2];
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}
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/*
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* count the cards
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*/
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static void
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count()
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{
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bool newline;
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DECK *in_deck;
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int c;
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newline = TRUE;
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in_deck = &CC_D;
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while ((c=getc(inf)) != EOF)
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if (newline && c == '%') {
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newline = FALSE;
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in_deck->num_cards++;
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if (getc(inf) == '-')
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in_deck = &CH_D;
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}
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else
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newline = (c == '\n');
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in_deck->num_cards++;
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}
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/*
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* put strings in the file
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*/
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static void
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putem()
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{
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bool newline;
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DECK *in_deck;
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int c;
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int num;
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in_deck = &CC_D;
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CC_D.num_cards = 1;
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CH_D.num_cards = 0;
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CC_D.offsets[0] = ftell(outf);
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putc(getc(inf), outf);
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putc(getc(inf), outf);
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for (num = 0; (c=getc(inf)) != '\n'; )
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num = num * 10 + (c - '0');
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putw(h2nl(num), outf);
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newline = FALSE;
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while ((c=getc(inf)) != EOF)
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if (newline && c == '%') {
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putc('\0', outf);
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newline = FALSE;
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if (getc(inf) == '-')
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in_deck = &CH_D;
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while (getc(inf) != '\n')
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continue;
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in_deck->offsets[in_deck->num_cards++] = ftell(outf);
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if ((c=getc(inf)) == EOF)
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break;
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putc(c, outf);
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putc(c = getc(inf), outf);
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for (num = 0; (c=getc(inf)) != EOF && c != '\n'; )
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num = num * 10 + (c - '0');
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putw(h2nl(num), outf);
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}
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else {
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putc(c, outf);
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newline = (c == '\n');
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}
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putc('\0', outf);
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}
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/*
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* fwrite_be_offt:
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* Write out the off paramater as a 64 bit big endian number
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*/
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static void
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fwrite_be_offt(off, f)
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off_t off;
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FILE *f;
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{
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int i;
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unsigned char c[8];
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for (i = 7; i >= 0; i--) {
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c[i] = off & 0xff;
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off >>= 8;
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}
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fwrite(c, sizeof(c), 1, f);
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}
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