1 /* @(#)save.c 8.2 (Berkeley) 4/28/95 */ 2 /* $NetBSD: save.c,v 1.12 2005/07/01 06:04:54 jmc Exp $ */ 3 4 /* 5 * Copyright (c) 1983, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 #include "extern.h" 34 35 void 36 restore(const char *filename) 37 { 38 int n; 39 int tmp; 40 FILE *fp; 41 42 if (filename == NULL) 43 exit(1); /* Error determining save file name. */ 44 if ((fp = fopen(filename, "r")) == 0) { 45 err(1, "fopen %s", filename); 46 } 47 fread(&WEIGHT, sizeof WEIGHT, 1, fp); 48 fread(&CUMBER, sizeof CUMBER, 1, fp); 49 fread(&ourclock, sizeof ourclock, 1, fp); 50 fread(&tmp, sizeof tmp, 1, fp); 51 location = tmp ? dayfile : nightfile; 52 for (n = 1; n <= NUMOFROOMS; n++) { 53 fread(location[n].link, sizeof location[n].link, 1, fp); 54 fread(location[n].objects, sizeof location[n].objects, 1, fp); 55 } 56 fread(inven, sizeof inven, 1, fp); 57 fread(wear, sizeof wear, 1, fp); 58 fread(injuries, sizeof injuries, 1, fp); 59 fread(notes, sizeof notes, 1, fp); 60 fread(&direction, sizeof direction, 1, fp); 61 fread(&position, sizeof position, 1, fp); 62 fread(&ourtime, sizeof ourtime, 1, fp); 63 fread(&fuel, sizeof fuel, 1, fp); 64 fread(&torps, sizeof torps, 1, fp); 65 fread(&carrying, sizeof carrying, 1, fp); 66 fread(&encumber, sizeof encumber, 1, fp); 67 fread(&rythmn, sizeof rythmn, 1, fp); 68 fread(&followfight, sizeof followfight, 1, fp); 69 fread(&ate, sizeof ate, 1, fp); 70 fread(&snooze, sizeof snooze, 1, fp); 71 fread(&meetgirl, sizeof meetgirl, 1, fp); 72 fread(&followgod, sizeof followgod, 1, fp); 73 fread(&godready, sizeof godready, 1, fp); 74 fread(&win, sizeof win, 1, fp); 75 fread(&wintime, sizeof wintime, 1, fp); 76 fread(&matchlight, sizeof matchlight, 1, fp); 77 fread(&matchcount, sizeof matchcount, 1, fp); 78 fread(&loved, sizeof loved, 1, fp); 79 fread(&pleasure, sizeof pleasure, 1, fp); 80 fread(&power, sizeof power, 1, fp); 81 /* We must check the last read, to catch truncated save files */ 82 if (fread(&ego, sizeof ego, 1, fp) < 1) 83 errx(1, "save file %s too short", filename); 84 fclose(fp); 85 } 86 87 void 88 save(const char *filename) 89 { 90 int n; 91 int tmp; 92 FILE *fp; 93 94 if (filename == NULL) 95 return; /* Error determining save file name. */ 96 if ((fp = fopen(filename, "w")) == NULL) { 97 warn("fopen %s", filename); 98 return; 99 } 100 printf("Saved in %s.\n", filename); 101 fwrite(&WEIGHT, sizeof WEIGHT, 1, fp); 102 fwrite(&CUMBER, sizeof CUMBER, 1, fp); 103 fwrite(&ourclock, sizeof ourclock, 1, fp); 104 tmp = location == dayfile; 105 fwrite(&tmp, sizeof tmp, 1, fp); 106 for (n = 1; n <= NUMOFROOMS; n++) { 107 fwrite(location[n].link, sizeof location[n].link, 1, fp); 108 fwrite(location[n].objects, sizeof location[n].objects, 1, fp); 109 } 110 fwrite(inven, sizeof inven, 1, fp); 111 fwrite(wear, sizeof wear, 1, fp); 112 fwrite(injuries, sizeof injuries, 1, fp); 113 fwrite(notes, sizeof notes, 1, fp); 114 fwrite(&direction, sizeof direction, 1, fp); 115 fwrite(&position, sizeof position, 1, fp); 116 fwrite(&ourtime, sizeof ourtime, 1, fp); 117 fwrite(&fuel, sizeof fuel, 1, fp); 118 fwrite(&torps, sizeof torps, 1, fp); 119 fwrite(&carrying, sizeof carrying, 1, fp); 120 fwrite(&encumber, sizeof encumber, 1, fp); 121 fwrite(&rythmn, sizeof rythmn, 1, fp); 122 fwrite(&followfight, sizeof followfight, 1, fp); 123 fwrite(&ate, sizeof ate, 1, fp); 124 fwrite(&snooze, sizeof snooze, 1, fp); 125 fwrite(&meetgirl, sizeof meetgirl, 1, fp); 126 fwrite(&followgod, sizeof followgod, 1, fp); 127 fwrite(&godready, sizeof godready, 1, fp); 128 fwrite(&win, sizeof win, 1, fp); 129 fwrite(&wintime, sizeof wintime, 1, fp); 130 fwrite(&matchlight, sizeof matchlight, 1, fp); 131 fwrite(&matchcount, sizeof matchcount, 1, fp); 132 fwrite(&loved, sizeof loved, 1, fp); 133 fwrite(&pleasure, sizeof pleasure, 1, fp); 134 fwrite(&power, sizeof power, 1, fp); 135 fwrite(&ego, sizeof ego, 1, fp); 136 fflush(fp); 137 if (ferror(fp)) 138 warn("fwrite %s", filename); 139 fclose(fp); 140 } 141 142 /* 143 * Given a save file name (possibly from fgetln, so without terminating NUL), 144 * determine the name of the file to be saved to by adding the HOME 145 * directory if the name does not contain a slash. Name will be allocated 146 * with malloc(3). 147 */ 148 char * 149 save_file_name(const char *filename, size_t len) 150 { 151 char *home; 152 char *newname; 153 size_t tmpl; 154 155 if (memchr(filename, '/', len)) { 156 newname = malloc(len + 1); 157 if (newname == NULL) { 158 warn(NULL); 159 return NULL; 160 } 161 memcpy(newname, filename, len); 162 newname[len] = 0; 163 } else { 164 home = getenv("HOME"); 165 if (home != NULL) { 166 tmpl = strlen(home); 167 newname = malloc(tmpl + len + 2); 168 if (newname == NULL) { 169 warn(NULL); 170 return NULL; 171 } 172 memcpy(newname, home, tmpl); 173 newname[tmpl] = '/'; 174 memcpy(newname + tmpl + 1, filename, len); 175 newname[tmpl + len + 1] = 0; 176 } else { 177 newname = malloc(len + 1); 178 if (newname == NULL) { 179 warn(NULL); 180 return NULL; 181 } 182 memcpy(newname, filename, len); 183 newname[len] = 0; 184 } 185 } 186 return newname; 187 } 188