save.c revision 1.11
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 35 static 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 43 void 44 restore(filename) 45 const char *filename; 46 { 47 int n; 48 int tmp; 49 FILE *fp; 50 51 if (filename == NULL) 52 exit(1); /* Error determining save file name. */ 53 if ((fp = fopen(filename, "r")) == 0) { 54 err(1, "fopen %s", filename); 55 } 56 fread(&WEIGHT, sizeof WEIGHT, 1, fp); 57 fread(&CUMBER, sizeof CUMBER, 1, fp); 58 fread(&ourclock, sizeof ourclock, 1, fp); 59 fread(&tmp, sizeof tmp, 1, fp); 60 location = tmp ? dayfile : nightfile; 61 for (n = 1; n <= NUMOFROOMS; n++) { 62 fread(location[n].link, sizeof location[n].link, 1, fp); 63 fread(location[n].objects, sizeof location[n].objects, 1, fp); 64 } 65 fread(inven, sizeof inven, 1, fp); 66 fread(wear, sizeof wear, 1, fp); 67 fread(injuries, sizeof injuries, 1, fp); 68 fread(notes, sizeof notes, 1, fp); 69 fread(&direction, sizeof direction, 1, fp); 70 fread(&position, sizeof position, 1, fp); 71 fread(&ourtime, sizeof ourtime, 1, fp); 72 fread(&fuel, sizeof fuel, 1, fp); 73 fread(&torps, sizeof torps, 1, fp); 74 fread(&carrying, sizeof carrying, 1, fp); 75 fread(&encumber, sizeof encumber, 1, fp); 76 fread(&rythmn, sizeof rythmn, 1, fp); 77 fread(&followfight, sizeof followfight, 1, fp); 78 fread(&ate, sizeof ate, 1, fp); 79 fread(&snooze, sizeof snooze, 1, fp); 80 fread(&meetgirl, sizeof meetgirl, 1, fp); 81 fread(&followgod, sizeof followgod, 1, fp); 82 fread(&godready, sizeof godready, 1, fp); 83 fread(&win, sizeof win, 1, fp); 84 fread(&wintime, sizeof wintime, 1, fp); 85 fread(&matchlight, sizeof matchlight, 1, fp); 86 fread(&matchcount, sizeof matchcount, 1, fp); 87 fread(&loved, sizeof loved, 1, fp); 88 fread(&pleasure, sizeof pleasure, 1, fp); 89 fread(&power, sizeof power, 1, fp); 90 /* We must check the last read, to catch truncated save files */ 91 if (fread(&ego, sizeof ego, 1, fp) < 1) 92 errx(1, "save file %s too short", filename); 93 fclose(fp); 94 } 95 96 void 97 save(filename) 98 const char *filename; 99 { 100 int n; 101 int tmp; 102 FILE *fp; 103 104 if (filename == NULL) 105 return; /* Error determining save file name. */ 106 if ((fp = fopen(filename, "w")) == NULL) { 107 warn("fopen %s", filename); 108 return; 109 } 110 printf("Saved in %s.\n", filename); 111 fwrite(&WEIGHT, sizeof WEIGHT, 1, fp); 112 fwrite(&CUMBER, sizeof CUMBER, 1, fp); 113 fwrite(&ourclock, sizeof ourclock, 1, fp); 114 tmp = location == dayfile; 115 fwrite(&tmp, sizeof tmp, 1, fp); 116 for (n = 1; n <= NUMOFROOMS; n++) { 117 fwrite(location[n].link, sizeof location[n].link, 1, fp); 118 fwrite(location[n].objects, sizeof location[n].objects, 1, fp); 119 } 120 fwrite(inven, sizeof inven, 1, fp); 121 fwrite(wear, sizeof wear, 1, fp); 122 fwrite(injuries, sizeof injuries, 1, fp); 123 fwrite(notes, sizeof notes, 1, fp); 124 fwrite(&direction, sizeof direction, 1, fp); 125 fwrite(&position, sizeof position, 1, fp); 126 fwrite(&ourtime, sizeof ourtime, 1, fp); 127 fwrite(&fuel, sizeof fuel, 1, fp); 128 fwrite(&torps, sizeof torps, 1, fp); 129 fwrite(&carrying, sizeof carrying, 1, fp); 130 fwrite(&encumber, sizeof encumber, 1, fp); 131 fwrite(&rythmn, sizeof rythmn, 1, fp); 132 fwrite(&followfight, sizeof followfight, 1, fp); 133 fwrite(&ate, sizeof ate, 1, fp); 134 fwrite(&snooze, sizeof snooze, 1, fp); 135 fwrite(&meetgirl, sizeof meetgirl, 1, fp); 136 fwrite(&followgod, sizeof followgod, 1, fp); 137 fwrite(&godready, sizeof godready, 1, fp); 138 fwrite(&win, sizeof win, 1, fp); 139 fwrite(&wintime, sizeof wintime, 1, fp); 140 fwrite(&matchlight, sizeof matchlight, 1, fp); 141 fwrite(&matchcount, sizeof matchcount, 1, fp); 142 fwrite(&loved, sizeof loved, 1, fp); 143 fwrite(&pleasure, sizeof pleasure, 1, fp); 144 fwrite(&power, sizeof power, 1, fp); 145 fwrite(&ego, sizeof ego, 1, fp); 146 fflush(fp); 147 if (ferror(fp)) 148 warn("fwrite %s", filename); 149 fclose(fp); 150 } 151 152 /* 153 * Given a save file name (possibly from fgetln, so without terminating NUL), 154 * determine the name of the file to be saved to by adding the HOME 155 * directory if the name does not contain a slash. Name will be allocated 156 * with malloc(3). 157 */ 158 char * 159 save_file_name(filename, len) 160 const char *filename; 161 size_t len; 162 { 163 char *home; 164 char *newname; 165 size_t tmpl; 166 167 if (memchr(filename, '/', len)) { 168 newname = malloc(len + 1); 169 if (newname == NULL) { 170 warn(NULL); 171 return NULL; 172 } 173 memcpy(newname, filename, len); 174 newname[len] = 0; 175 } else { 176 home = getenv("HOME"); 177 if (home != NULL) { 178 tmpl = strlen(home); 179 newname = malloc(tmpl + len + 2); 180 if (newname == NULL) { 181 warn(NULL); 182 return NULL; 183 } 184 memcpy(newname, home, tmpl); 185 newname[tmpl] = '/'; 186 memcpy(newname + tmpl + 1, filename, len); 187 newname[tmpl + len + 1] = 0; 188 } else { 189 newname = malloc(len + 1); 190 if (newname == NULL) { 191 warn(NULL); 192 return NULL; 193 } 194 memcpy(newname, filename, len); 195 newname[len] = 0; 196 } 197 } 198 return newname; 199 } 200
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