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 * empdump.c: Export/import Empire game state
30 * Known contributors to this file:
31 * Markus Armbruster, 2008
44 #include "prototypes.h"
48 static void exit_bad_arg(char *, ...)
49 ATTRIBUTE((noreturn, format (printf, 1, 2)));
50 static void dump_table(int, int);
53 main(int argc, char *argv[])
55 char *config_file = NULL;
60 int opt, i, lineno, type;
64 while ((opt = getopt(argc, argv, "e:i:mnxhv")) != EOF) {
76 private = EFF_PRIVATE;
82 printf("Usage: %s [OPTION]...\n"
83 " -e CONFIG-FILE configuration file\n"
85 " -i DUMP-FILE import from DUMP-FILE\n"
86 " -m use machine-readable format\n"
87 " -n dry run, don't update game state\n"
88 " -x export to standard output\n"
89 " -h display this help and exit\n"
90 " -v display version information and exit\n",
91 argv[0], dflt_econfig);
94 printf("%s\n\n%s", version, legal);
102 exit_bad_arg("%s: extra operand %s\n", argv[0], argv[optind]);
104 if (!import && !export)
105 exit_bad_arg("%s: nothing to do!\n", argv[0]);
108 impf = fopen(import, "r");
110 fprintf(stderr, "%s: Can't open %s for reading (%s)\n",
111 argv[0], import, strerror(errno));
115 private = EFF_PRIVATE;
117 /* read configuration & initialize */
119 if (emp_config(config_file) < 0)
123 if (read_builtin_tables() < 0)
125 if (read_custom_tables() < 0)
127 if (chdir(gamedir)) {
128 fprintf(stderr, "%s: Can't chdir to %s (%s)\n",
129 argv[0], gamedir, strerror(errno));
134 for (i = 0; i < EF_MAX; i++) {
135 if (!EF_IS_GAME_STATE(i))
137 if (!ef_open(i, EFF_MEM | private, -1))
141 /* import from IMPORT */
142 memset(dirty, 0, sizeof(dirty));
145 while ((type = xundump(impf, import, &lineno, EF_BAD)) >= 0)
154 /* export to stdout */
156 for (i = 0; i < EF_MAX; i++) {
157 if (!EF_IS_GAME_STATE(i))
159 dump_table(i, human);
161 if (fclose(stdout) != 0) {
162 fprintf(stderr, "%s: error writing export (%s)\n",
163 argv[0], strerror(errno));
168 /* write out imported data */
169 for (i = 0; i < EF_MAX; i++) {
170 if (!EF_IS_GAME_STATE(i))
182 exit_bad_arg(char *complaint, ...)
187 va_start(ap, complaint);
188 vfprintf(stderr, complaint, ap);
191 fprintf(stderr, "Try -h for help.\n");
196 printf_wrapper(char *fmt, ...)
206 dump_table(int type, int human)
217 xdinit(&xd, NATID_BAD, human, printf_wrapper);
218 xdhdr(&xd, ef_nameof(type), 0);
220 for (i = 0; (p = ef_ptr(type, i)); i++) {