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File: [cvs.NetBSD.org] / src / games / battlestar / save.c (download)

Revision 1.12, Fri Jul 1 06:04:54 2005 UTC (15 years, 2 months ago) by jmc
Branch: MAIN
CVS Tags: yamt-pf42-baseX, yamt-pf42-base4, yamt-pf42-base3, yamt-pf42-base2, yamt-pf42-base, yamt-pf42, yamt-pagecache-tag8, yamt-pagecache-base9, yamt-pagecache-base8, yamt-pagecache-base7, yamt-pagecache-base6, yamt-pagecache-base5, yamt-pagecache-base4, yamt-pagecache-base3, yamt-pagecache-base2, yamt-pagecache-base, yamt-pagecache, wrstuden-revivesa-base-3, wrstuden-revivesa-base-2, wrstuden-revivesa-base-1, wrstuden-revivesa-base, wrstuden-revivesa, wrstuden-fixsa-newbase, wrstuden-fixsa-base-1, wrstuden-fixsa-base, wrstuden-fixsa, tls-maxphys-base, tls-maxphys, tls-earlyentropy-base, tls-earlyentropy, riastradh-xf86-video-intel-2-7-1-pre-2-21-15, riastradh-drm2-base3, riastradh-drm2-base2, riastradh-drm2-base1, riastradh-drm2-base, riastradh-drm2, prg-localcount2-base3, prg-localcount2-base2, prg-localcount2-base1, prg-localcount2-base, prg-localcount2, phil-wifi-base, phil-wifi-20200421, phil-wifi-20200411, phil-wifi-20200406, phil-wifi-20191119, phil-wifi-20190609, phil-wifi, pgoyette-localcount-base, pgoyette-localcount-20170426, pgoyette-localcount-20170320, pgoyette-localcount-20170107, pgoyette-localcount-20161104, pgoyette-localcount-20160806, pgoyette-localcount-20160726, pgoyette-localcount, pgoyette-compat-merge-20190127, pgoyette-compat-base, pgoyette-compat-20190127, pgoyette-compat-20190118, pgoyette-compat-1226, pgoyette-compat-1126, pgoyette-compat-1020, pgoyette-compat-0930, pgoyette-compat-0906, pgoyette-compat-0728, pgoyette-compat-0625, pgoyette-compat-0521, pgoyette-compat-0502, pgoyette-compat-0422, pgoyette-compat-0415, pgoyette-compat-0407, pgoyette-compat-0330, pgoyette-compat-0322, pgoyette-compat-0315, pgoyette-compat, perseant-stdc-iso10646-base, perseant-stdc-iso10646, netbsd-9-base, netbsd-9-0-RELEASE, netbsd-9-0-RC2, netbsd-9-0-RC1, netbsd-9, netbsd-8-base, netbsd-8-2-RELEASE, netbsd-8-1-RELEASE, netbsd-8-1-RC1, netbsd-8-0-RELEASE, netbsd-8-0-RC2, netbsd-8-0-RC1, netbsd-8, netbsd-7-nhusb-base-20170116, netbsd-7-nhusb-base, netbsd-7-nhusb, netbsd-7-base, netbsd-7-2-RELEASE, netbsd-7-1-RELEASE, netbsd-7-1-RC2, netbsd-7-1-RC1, netbsd-7-1-2-RELEASE, netbsd-7-1-1-RELEASE, netbsd-7-1, netbsd-7-0-RELEASE, netbsd-7-0-RC3, netbsd-7-0-RC2, netbsd-7-0-RC1, netbsd-7-0-2-RELEASE, netbsd-7-0-1-RELEASE, netbsd-7-0, netbsd-7, netbsd-6-base, netbsd-6-1-RELEASE, netbsd-6-1-RC4, netbsd-6-1-RC3, netbsd-6-1-RC2, netbsd-6-1-RC1, netbsd-6-1-5-RELEASE, netbsd-6-1-4-RELEASE, netbsd-6-1-3-RELEASE, netbsd-6-1-2-RELEASE, netbsd-6-1-1-RELEASE, netbsd-6-1, netbsd-6-0-RELEASE, netbsd-6-0-RC2, netbsd-6-0-RC1, netbsd-6-0-6-RELEASE, netbsd-6-0-5-RELEASE, netbsd-6-0-4-RELEASE, netbsd-6-0-3-RELEASE, netbsd-6-0-2-RELEASE, netbsd-6-0-1-RELEASE, netbsd-6-0, netbsd-6, netbsd-5-base, netbsd-5-2-RELEASE, netbsd-5-2-RC1, netbsd-5-2-3-RELEASE, netbsd-5-2-2-RELEASE, netbsd-5-2-1-RELEASE, netbsd-5-2, netbsd-5-1-RELEASE, netbsd-5-1-RC4, netbsd-5-1-RC3, netbsd-5-1-RC2, netbsd-5-1-RC1, netbsd-5-1-5-RELEASE, netbsd-5-1-4-RELEASE, netbsd-5-1-3-RELEASE, netbsd-5-1-2-RELEASE, netbsd-5-1-1-RELEASE, netbsd-5-1, netbsd-5-0-RELEASE, netbsd-5-0-RC4, netbsd-5-0-RC3, netbsd-5-0-RC2, netbsd-5-0-RC1, netbsd-5-0-2-RELEASE, netbsd-5-0-1-RELEASE, netbsd-5-0, netbsd-5, netbsd-4-base, netbsd-4-0-RELEASE, netbsd-4-0-RC5, netbsd-4-0-RC4, netbsd-4-0-RC3, netbsd-4-0-RC2, netbsd-4-0-RC1, netbsd-4-0-1-RELEASE, netbsd-4-0, netbsd-4, mjf-devfs2-base, mjf-devfs2, matt-premerge-20091211, matt-nb8-mediatek-base, matt-nb8-mediatek, matt-nb6-plus-nbase, matt-nb6-plus-base, matt-nb6-plus, matt-nb5-pq3-base, matt-nb5-pq3, matt-nb5-mips64-u2-k2-k4-k7-k8-k9, matt-nb5-mips64-u1-k1-k5, matt-nb5-mips64-premerge-20101231, matt-nb5-mips64-premerge-20091211, matt-nb5-mips64-k15, matt-nb5-mips64, matt-nb4-mips64-k7-u2a-k9b, matt-mips64-premerge-20101231, matt-mips64-base2, matt-mips64-base, matt-mips64, matt-armv6-prevmlocking, matt-armv6-nbase, matt-armv6-base, matt-armv6, localcount-20160914, keiichi-mipv6-base, keiichi-mipv6, jym-xensuspend-nbase, jym-xensuspend-base, jym-xensuspend, is-mlppp-base, is-mlppp, hpcarm-cleanup-nbase, hpcarm-cleanup-base, hpcarm-cleanup, cube-autoconf-base, cube-autoconf, cherry-xenmp-base, cherry-xenmp, bouyer-socketcan-base1, bouyer-socketcan-base, bouyer-socketcan, bouyer-quota2-nbase, bouyer-quota2-base, bouyer-quota2, agc-symver-base, agc-symver, abandoned-netbsd-4-base, abandoned-netbsd-4, HEAD
Changes since 1.11: +5 -9 lines

KNF and WARNS=3

/*	$NetBSD: save.c,v 1.12 2005/07/01 06:04:54 jmc Exp $	*/

/*
 * Copyright (c) 1983, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * 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. 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.
 */

#include <sys/cdefs.h>
#ifndef lint
#if 0
static char sccsid[] = "@(#)save.c	8.2 (Berkeley) 4/28/95";
#else
__RCSID("$NetBSD: save.c,v 1.12 2005/07/01 06:04:54 jmc Exp $");
#endif
#endif				/* not lint */

#include "extern.h"

void
restore(const char *filename)
{
	int     n;
	int     tmp;
	FILE   *fp;

	if (filename == NULL)
		exit(1); /* Error determining save file name.  */
	if ((fp = fopen(filename, "r")) == 0) {
		err(1, "fopen %s", filename);
	}
	fread(&WEIGHT, sizeof WEIGHT, 1, fp);
	fread(&CUMBER, sizeof CUMBER, 1, fp);
	fread(&ourclock, sizeof ourclock, 1, fp);
	fread(&tmp, sizeof tmp, 1, fp);
	location = tmp ? dayfile : nightfile;
	for (n = 1; n <= NUMOFROOMS; n++) {
		fread(location[n].link, sizeof location[n].link, 1, fp);
		fread(location[n].objects, sizeof location[n].objects, 1, fp);
	}
	fread(inven, sizeof inven, 1, fp);
	fread(wear, sizeof wear, 1, fp);
	fread(injuries, sizeof injuries, 1, fp);
	fread(notes, sizeof notes, 1, fp);
	fread(&direction, sizeof direction, 1, fp);
	fread(&position, sizeof position, 1, fp);
	fread(&ourtime, sizeof ourtime, 1, fp);
	fread(&fuel, sizeof fuel, 1, fp);
	fread(&torps, sizeof torps, 1, fp);
	fread(&carrying, sizeof carrying, 1, fp);
	fread(&encumber, sizeof encumber, 1, fp);
	fread(&rythmn, sizeof rythmn, 1, fp);
	fread(&followfight, sizeof followfight, 1, fp);
	fread(&ate, sizeof ate, 1, fp);
	fread(&snooze, sizeof snooze, 1, fp);
	fread(&meetgirl, sizeof meetgirl, 1, fp);
	fread(&followgod, sizeof followgod, 1, fp);
	fread(&godready, sizeof godready, 1, fp);
	fread(&win, sizeof win, 1, fp);
	fread(&wintime, sizeof wintime, 1, fp);
	fread(&matchlight, sizeof matchlight, 1, fp);
	fread(&matchcount, sizeof matchcount, 1, fp);
	fread(&loved, sizeof loved, 1, fp);
	fread(&pleasure, sizeof pleasure, 1, fp);
	fread(&power, sizeof power, 1, fp);
	/* We must check the last read, to catch truncated save files */
	if (fread(&ego, sizeof ego, 1, fp) < 1)
		errx(1, "save file %s too short", filename);
	fclose(fp);
}

void
save(const char *filename)
{
	int     n;
	int     tmp;
	FILE   *fp;

	if (filename == NULL)
		return; /* Error determining save file name.  */
	if ((fp = fopen(filename, "w")) == NULL) {
		warn("fopen %s", filename);
		return;
	}
	printf("Saved in %s.\n", filename);
	fwrite(&WEIGHT, sizeof WEIGHT, 1, fp);
	fwrite(&CUMBER, sizeof CUMBER, 1, fp);
	fwrite(&ourclock, sizeof ourclock, 1, fp);
	tmp = location == dayfile;
	fwrite(&tmp, sizeof tmp, 1, fp);
	for (n = 1; n <= NUMOFROOMS; n++) {
		fwrite(location[n].link, sizeof location[n].link, 1, fp);
		fwrite(location[n].objects, sizeof location[n].objects, 1, fp);
	}
	fwrite(inven, sizeof inven, 1, fp);
	fwrite(wear, sizeof wear, 1, fp);
	fwrite(injuries, sizeof injuries, 1, fp);
	fwrite(notes, sizeof notes, 1, fp);
	fwrite(&direction, sizeof direction, 1, fp);
	fwrite(&position, sizeof position, 1, fp);
	fwrite(&ourtime, sizeof ourtime, 1, fp);
	fwrite(&fuel, sizeof fuel, 1, fp);
	fwrite(&torps, sizeof torps, 1, fp);
	fwrite(&carrying, sizeof carrying, 1, fp);
	fwrite(&encumber, sizeof encumber, 1, fp);
	fwrite(&rythmn, sizeof rythmn, 1, fp);
	fwrite(&followfight, sizeof followfight, 1, fp);
	fwrite(&ate, sizeof ate, 1, fp);
	fwrite(&snooze, sizeof snooze, 1, fp);
	fwrite(&meetgirl, sizeof meetgirl, 1, fp);
	fwrite(&followgod, sizeof followgod, 1, fp);
	fwrite(&godready, sizeof godready, 1, fp);
	fwrite(&win, sizeof win, 1, fp);
	fwrite(&wintime, sizeof wintime, 1, fp);
	fwrite(&matchlight, sizeof matchlight, 1, fp);
	fwrite(&matchcount, sizeof matchcount, 1, fp);
	fwrite(&loved, sizeof loved, 1, fp);
	fwrite(&pleasure, sizeof pleasure, 1, fp);
	fwrite(&power, sizeof power, 1, fp);
	fwrite(&ego, sizeof ego, 1, fp);
	fflush(fp);
	if (ferror(fp))
		warn("fwrite %s", filename);
	fclose(fp);
}

/*
 * Given a save file name (possibly from fgetln, so without terminating NUL),
 * determine the name of the file to be saved to by adding the HOME
 * directory if the name does not contain a slash.  Name will be allocated
 * with malloc(3).
 */
char *
save_file_name(const char *filename, size_t len)
{
	char   *home;
	char   *newname;
	size_t	tmpl;

	if (memchr(filename, '/', len)) {
		newname = malloc(len + 1);
		if (newname == NULL) {
			warn(NULL);
			return NULL;
		}
		memcpy(newname, filename, len);
		newname[len] = 0;
	} else {
		home = getenv("HOME");
		if (home != NULL) {
			tmpl = strlen(home);
			newname = malloc(tmpl + len + 2);
			if (newname == NULL) {
				warn(NULL);
				return NULL;
			}
			memcpy(newname, home, tmpl);
			newname[tmpl] = '/';
			memcpy(newname + tmpl + 1, filename, len);
			newname[tmpl + len + 1] = 0;
		} else {
			newname = malloc(len + 1);
			if (newname == NULL) {
				warn(NULL);
				return NULL;
			}
			memcpy(newname, filename, len);
			newname[len] = 0;
		}
	}
	return newname;
}