2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2009, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 * Ken Stevens, Steve McClure
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 * See files README, COPYING and CREDITS in the root of the source
23 * tree for related information and legal notices. It is expected
24 * that future projects/authors will amend these files as needed.
28 * emp_config.c: Allows config file to control server config. from a file
30 * Known contributors to this file:
32 * Steve McClure, 1998-2000
33 * Markus Armbruster, 2004-2008
39 * Change other constants - such as MAXNOC etc.
40 * Just requires variables to be assigned, then dynamic allocation in
41 * a few places. Some checks needed in the server to check the world
42 * hasn't changed size etc.
57 #include "prototypes.h"
59 static struct keymatch *keylookup(char *key, struct keymatch tbl[]);
60 static int set_paths(char *);
63 * read in empire configuration
66 emp_config(char *file)
80 if ((fp = fopen(file, "r")) == NULL) {
81 if (file == dflt_econfig && errno == ENOENT)
83 fprintf(stderr, "Can't open %s for reading (%s)\n",
84 file, strerror(errno));
88 while (fgets(buf, sizeof(buf), fp) != NULL) {
90 for (i = 0; buf[i] && isspace(buf[i]); ++i) ;
91 if (!buf[i] || buf[i] == '#')
93 if (parse(buf, scanspace, av, NULL, NULL, NULL) < 0) {
94 fprintf(stderr, "%s:%d: Can't parse line %s", file, lno, buf);
98 if ((kp = keylookup(av[0], configkeys)) == NULL) {
99 fprintf(stderr, "%s:%d: Unknown config key %s\n",
105 fprintf(stderr, "%s:%d: Config key %s needs a value\n",
111 switch (kp->km_type) {
113 *(int *)kp->km_data = atoi(av[1]);
116 *(float *)kp->km_data = atof(av[1]);
119 *(double *)kp->km_data = atof(av[1]);
122 *(long *)kp->km_data = atol(av[1]);
125 if (kp->km_flags & KM_ALLOC)
126 free(*(char **)kp->km_data);
127 *(char **)kp->km_data = strdup(av[1]);
128 kp->km_flags |= KM_ALLOC;
134 fprintf(stderr, "%s:%d: Junk after value of config key %s\n",
143 WORLD_X &= ~1; /* force even */
144 if (set_paths(file) < 0)
150 /* find the key in the table */
151 static struct keymatch *
152 keylookup(char *command, struct keymatch *tbl)
156 if (command == 0 || *command == 0)
158 for (kp = tbl; kp->km_key != 0; kp++) {
159 if (strcmp(kp->km_key, command) == 0)
166 set_paths(char *econfig)
171 p = _fullpath(NULL, econfig, 0);
172 slash = strrchr(p, '\\');
177 cwd = getcwd(buf, sizeof(buf));
178 p = fnameat(econfig, cwd);
180 fprintf(stderr, "Can't get current working directory (%s)\n",
186 slash = strrchr(p, '/');
190 configdir = realloc(p, slash + 1 - p);
192 infodir = fnameat(infodir_conf, configdir);
193 gamedir = fnameat(gamedir_conf, configdir);
194 builtindir = fnameat(builtindir_conf, configdir);
195 schedulefil = fnameat("schedule", configdir);
201 print_config(FILE *fp)
205 fprintf(fp, "# Empire Configuration File:\n");
206 for (kp = configkeys; kp->km_key; kp++) {
207 if (kp->km_comment) {
208 if (kp->km_comment[0] != '\n' && kp->km_comment[0] != '#')
210 fprintf(fp, "%s\n", kp->km_comment);
214 switch (kp->km_type) {
216 fprintf(fp, "%s \"%s\"\n", kp->km_key, *(char **)kp->km_data);
219 fprintf(fp, "%s %d\n", kp->km_key, *(int *)kp->km_data);
222 fprintf(fp, "%s %g\n", kp->km_key, *(float *)kp->km_data);
225 fprintf(fp, "%s %g\n", kp->km_key, *(double *)kp->km_data);
228 fprintf(fp, "%s %ld\n", kp->km_key, *(long *)kp->km_data);