1 /* $NetBSD: save.c,v 1.10 2000/01/09 17:17:20 jsm 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 #if 0 39 static char sccsid[] = "@(#)save.c 8.2 (Berkeley) 4/28/95"; 40 #else 41 __RCSID("$NetBSD: save.c,v 1.10 2000/01/09 17:17:20 jsm Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #include "extern.h" 46 47 void 48 restore(filename) 49 const char *filename; 50 { 51 int n; 52 int tmp; 53 FILE *fp; 54 55 if (filename == NULL) 56 exit(1); /* Error determining save file name. */ 57 if ((fp = fopen(filename, "r")) == 0) { 58 err(1, "fopen %s", filename); 59 } 60 fread(&WEIGHT, sizeof WEIGHT, 1, fp); 61 fread(&CUMBER, sizeof CUMBER, 1, fp); 62 fread(&ourclock, sizeof ourclock, 1, fp); 63 fread(&tmp, sizeof tmp, 1, fp); 64 location = tmp ? dayfile : nightfile; 65 for (n = 1; n <= NUMOFROOMS; n++) { 66 fread(location[n].link, sizeof location[n].link, 1, fp); 67 fread(location[n].objects, sizeof location[n].objects, 1, fp); 68 } 69 fread(inven, sizeof inven, 1, fp); 70 fread(wear, sizeof wear, 1, fp); 71 fread(injuries, sizeof injuries, 1, fp); 72 fread(notes, sizeof notes, 1, fp); 73 fread(&direction, sizeof direction, 1, fp); 74 fread(&position, sizeof position, 1, fp); 75 fread(&ourtime, sizeof ourtime, 1, fp); 76 fread(&fuel, sizeof fuel, 1, fp); 77 fread(&torps, sizeof torps, 1, fp); 78 fread(&carrying, sizeof carrying, 1, fp); 79 fread(&encumber, sizeof encumber, 1, fp); 80 fread(&rythmn, sizeof rythmn, 1, fp); 81 fread(&followfight, sizeof followfight, 1, fp); 82 fread(&ate, sizeof ate, 1, fp); 83 fread(&snooze, sizeof snooze, 1, fp); 84 fread(&meetgirl, sizeof meetgirl, 1, fp); 85 fread(&followgod, sizeof followgod, 1, fp); 86 fread(&godready, sizeof godready, 1, fp); 87 fread(&win, sizeof win, 1, fp); 88 fread(&wintime, sizeof wintime, 1, fp); 89 fread(&matchlight, sizeof matchlight, 1, fp); 90 fread(&matchcount, sizeof matchcount, 1, fp); 91 fread(&loved, sizeof loved, 1, fp); 92 fread(&pleasure, sizeof pleasure, 1, fp); 93 fread(&power, sizeof power, 1, fp); 94 /* We must check the last read, to catch truncated save files */ 95 if (fread(&ego, sizeof ego, 1, fp) < 1) 96 errx(1, "save file %s too short", filename); 97 fclose(fp); 98 } 99 100 void 101 save(filename) 102 const char *filename; 103 { 104 int n; 105 int tmp; 106 FILE *fp; 107 108 if (filename == NULL) 109 return; /* Error determining save file name. */ 110 if ((fp = fopen(filename, "w")) == NULL) { 111 warn("fopen %s", filename); 112 return; 113 } 114 printf("Saved in %s.\n", filename); 115 fwrite(&WEIGHT, sizeof WEIGHT, 1, fp); 116 fwrite(&CUMBER, sizeof CUMBER, 1, fp); 117 fwrite(&ourclock, sizeof ourclock, 1, fp); 118 tmp = location == dayfile; 119 fwrite(&tmp, sizeof tmp, 1, fp); 120 for (n = 1; n <= NUMOFROOMS; n++) { 121 fwrite(location[n].link, sizeof location[n].link, 1, fp); 122 fwrite(location[n].objects, sizeof location[n].objects, 1, fp); 123 } 124 fwrite(inven, sizeof inven, 1, fp); 125 fwrite(wear, sizeof wear, 1, fp); 126 fwrite(injuries, sizeof injuries, 1, fp); 127 fwrite(notes, sizeof notes, 1, fp); 128 fwrite(&direction, sizeof direction, 1, fp); 129 fwrite(&position, sizeof position, 1, fp); 130 fwrite(&ourtime, sizeof ourtime, 1, fp); 131 fwrite(&fuel, sizeof fuel, 1, fp); 132 fwrite(&torps, sizeof torps, 1, fp); 133 fwrite(&carrying, sizeof carrying, 1, fp); 134 fwrite(&encumber, sizeof encumber, 1, fp); 135 fwrite(&rythmn, sizeof rythmn, 1, fp); 136 fwrite(&followfight, sizeof followfight, 1, fp); 137 fwrite(&ate, sizeof ate, 1, fp); 138 fwrite(&snooze, sizeof snooze, 1, fp); 139 fwrite(&meetgirl, sizeof meetgirl, 1, fp); 140 fwrite(&followgod, sizeof followgod, 1, fp); 141 fwrite(&godready, sizeof godready, 1, fp); 142 fwrite(&win, sizeof win, 1, fp); 143 fwrite(&wintime, sizeof wintime, 1, fp); 144 fwrite(&matchlight, sizeof matchlight, 1, fp); 145 fwrite(&matchcount, sizeof matchcount, 1, fp); 146 fwrite(&loved, sizeof loved, 1, fp); 147 fwrite(&pleasure, sizeof pleasure, 1, fp); 148 fwrite(&power, sizeof power, 1, fp); 149 fwrite(&ego, sizeof ego, 1, fp); 150 fflush(fp); 151 if (ferror(fp)) 152 warn("fwrite %s", filename); 153 fclose(fp); 154 } 155 156 /* 157 * Given a save file name (possibly from fgetln, so without terminating NUL), 158 * determine the name of the file to be saved to by adding the HOME 159 * directory if the name does not contain a slash. Name will be allocated 160 * with malloc(3). 161 */ 162 char * 163 save_file_name(filename, len) 164 const char *filename; 165 size_t len; 166 { 167 char *home; 168 char *newname; 169 size_t tmpl; 170 171 if (memchr(filename, '/', len)) { 172 newname = malloc(len + 1); 173 if (newname == NULL) { 174 warn(NULL); 175 return NULL; 176 } 177 memcpy(newname, filename, len); 178 newname[len] = 0; 179 } else { 180 home = getenv("HOME"); 181 if (home != NULL) { 182 tmpl = strlen(home); 183 newname = malloc(tmpl + len + 2); 184 if (newname == NULL) { 185 warn(NULL); 186 return NULL; 187 } 188 memcpy(newname, home, tmpl); 189 newname[tmpl] = '/'; 190 memcpy(newname + tmpl + 1, filename, len); 191 newname[tmpl + len + 1] = 0; 192 } else { 193 newname = malloc(len + 1); 194 if (newname == NULL) { 195 warn(NULL); 196 return NULL; 197 } 198 memcpy(newname, filename, len); 199 newname[len] = 0; 200 } 201 } 202 return newname; 203 } 204