1/* $NetBSD: save.c,v 1.11 2003/08/07 09:37:03 agc Exp $ */ 2 3/* 4 * Copyright (c) 1983, 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#include <sys/cdefs.h> 33#ifndef lint 34#if 0 35static char sccsid[] = "@(#)save.c 8.2 (Berkeley) 4/28/95"; 36#else 37__RCSID("$NetBSD: save.c,v 1.11 2003/08/07 09:37:03 agc Exp $"); 38#endif 39#endif /* not lint */ 40 41#include "extern.h" 42 43void 44restore(const char *filename) 45{ 46 int n; 47 int tmp; 48 FILE *fp; 49 50 if (filename == NULL) 51 exit(1); /* Error determining save file name. */ 52 if ((fp = fopen(filename, "r")) == 0) { 53 err(1, "fopen %s", filename); 54 } 55 fread(&WEIGHT, sizeof WEIGHT, 1, fp); 56 fread(&CUMBER, sizeof CUMBER, 1, fp); 57 fread(&ourclock, sizeof ourclock, 1, fp); 58 fread(&tmp, sizeof tmp, 1, fp); 59 location = tmp ? dayfile : nightfile; 60 for (n = 1; n <= NUMOFROOMS; n++) { 61 fread(location[n].link, sizeof location[n].link, 1, fp); 62 fread(location[n].objects, sizeof location[n].objects, 1, fp); 63 } 64 fread(inven, sizeof inven, 1, fp); 65 fread(wear, sizeof wear, 1, fp); 66 fread(injuries, sizeof injuries, 1, fp); 67 fread(notes, sizeof notes, 1, fp); 68 fread(&direction, sizeof direction, 1, fp); 69 fread(&position, sizeof position, 1, fp); 70 fread(&ourtime, sizeof ourtime, 1, fp); 71 fread(&fuel, sizeof fuel, 1, fp); 72 fread(&torps, sizeof torps, 1, fp); 73 fread(&carrying, sizeof carrying, 1, fp); 74 fread(&encumber, sizeof encumber, 1, fp); 75 fread(&rythmn, sizeof rythmn, 1, fp); 76 fread(&followfight, sizeof followfight, 1, fp); 77 fread(&ate, sizeof ate, 1, fp); 78 fread(&snooze, sizeof snooze, 1, fp); 79 fread(&meetgirl, sizeof meetgirl, 1, fp); 80 fread(&followgod, sizeof followgod, 1, fp); 81 fread(&godready, sizeof godready, 1, fp); 82 fread(&win, sizeof win, 1, fp); 83 fread(&wintime, sizeof wintime, 1, fp); 84 fread(&matchlight, sizeof matchlight, 1, fp); 85 fread(&matchcount, sizeof matchcount, 1, fp); 86 fread(&loved, sizeof loved, 1, fp); 87 fread(&pleasure, sizeof pleasure, 1, fp); 88 fread(&power, sizeof power, 1, fp); 89 /* We must check the last read, to catch truncated save files */ 90 if (fread(&ego, sizeof ego, 1, fp) < 1) 91 errx(1, "save file %s too short", filename); 92 fclose(fp); 93} 94 95void 96save(const char *filename) 97{ 98 int n; 99 int tmp; 100 FILE *fp; 101 102 if (filename == NULL) 103 return; /* Error determining save file name. */ 104 if ((fp = fopen(filename, "w")) == NULL) { 105 warn("fopen %s", filename); 106 return; 107 } 108 printf("Saved in %s.\n", filename); 109 fwrite(&WEIGHT, sizeof WEIGHT, 1, fp); 110 fwrite(&CUMBER, sizeof CUMBER, 1, fp); 111 fwrite(&ourclock, sizeof ourclock, 1, fp); 112 tmp = location == dayfile; 113 fwrite(&tmp, sizeof tmp, 1, fp); 114 for (n = 1; n <= NUMOFROOMS; n++) { 115 fwrite(location[n].link, sizeof location[n].link, 1, fp); 116 fwrite(location[n].objects, sizeof location[n].objects, 1, fp); 117 } 118 fwrite(inven, sizeof inven, 1, fp); 119 fwrite(wear, sizeof wear, 1, fp); 120 fwrite(injuries, sizeof injuries, 1, fp); 121 fwrite(notes, sizeof notes, 1, fp); 122 fwrite(&direction, sizeof direction, 1, fp); 123 fwrite(&position, sizeof position, 1, fp); 124 fwrite(&ourtime, sizeof ourtime, 1, fp); 125 fwrite(&fuel, sizeof fuel, 1, fp); 126 fwrite(&torps, sizeof torps, 1, fp); 127 fwrite(&carrying, sizeof carrying, 1, fp); 128 fwrite(&encumber, sizeof encumber, 1, fp); 129 fwrite(&rythmn, sizeof rythmn, 1, fp); 130 fwrite(&followfight, sizeof followfight, 1, fp); 131 fwrite(&ate, sizeof ate, 1, fp); 132 fwrite(&snooze, sizeof snooze, 1, fp); 133 fwrite(&meetgirl, sizeof meetgirl, 1, fp); 134 fwrite(&followgod, sizeof followgod, 1, fp); 135 fwrite(&godready, sizeof godready, 1, fp); 136 fwrite(&win, sizeof win, 1, fp); 137 fwrite(&wintime, sizeof wintime, 1, fp); 138 fwrite(&matchlight, sizeof matchlight, 1, fp); 139 fwrite(&matchcount, sizeof matchcount, 1, fp); 140 fwrite(&loved, sizeof loved, 1, fp); 141 fwrite(&pleasure, sizeof pleasure, 1, fp); 142 fwrite(&power, sizeof power, 1, fp); 143 fwrite(&ego, sizeof ego, 1, fp); 144 fflush(fp); 145 if (ferror(fp)) 146 warn("fwrite %s", filename); 147 fclose(fp); 148} 149 150/* 151 * Given a save file name (possibly from fgetln, so without terminating NUL), 152 * determine the name of the file to be saved to by adding the HOME 153 * directory if the name does not contain a slash. Name will be allocated 154 * with malloc(3). 155 */ 156char * 157save_file_name(const char *filename, size_t len) 158{ 159 char *home; 160 char *newname; 161 size_t tmpl; 162 163 if (memchr(filename, '/', len)) { 164 newname = malloc(len + 1); 165 if (newname == NULL) { 166 warn(NULL); 167 return NULL; 168 } 169 memcpy(newname, filename, len); 170 newname[len] = 0; 171 } else { 172 home = getenv("HOME"); 173 if (home != NULL) { 174 tmpl = strlen(home); 175 newname = malloc(tmpl + len + 2); 176 if (newname == NULL) { 177 warn(NULL); 178 return NULL; 179 } 180 memcpy(newname, home, tmpl); 181 newname[tmpl] = '/'; 182 memcpy(newname + tmpl + 1, filename, len); 183 newname[tmpl + len + 1] = 0; 184 } else { 185 newname = malloc(len + 1); 186 if (newname == NULL) { 187 warn(NULL); 188 return NULL; 189 } 190 memcpy(newname, filename, len); 191 newname[len] = 0; 192 } 193 } 194 return newname; 195} 196