2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2013, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 * Ken Stevens, Steve McClure, Markus Armbruster
6 * Empire 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 3 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, see <http://www.gnu.org/licenses/>.
21 * See files README, COPYING and CREDITS in the root of the source
22 * tree for related information and legal notices. It is expected
23 * that future projects/authors will amend these files as needed.
27 * misc.h: Misc. definitions which don't really belong anywhere,
28 * but have to go somewhere!
30 * Known contributors to this file:
37 #define MAX(a,b) ((a) > (b) ? (a) : (b))
38 #define MIN(a,b) ((a) < (b) ? (a) : (b))
45 #define ATTRIBUTE(attrs) __attribute__ (attrs)
47 #define ATTRIBUTE(attrs)
51 * This uses a lot of thread stack with some versions of GNU libc,
52 * which can lead to nasty heap smashes (observed with 2.2.93).
53 * Disabled for now, until we readjust thread stack sizes.
56 #define RESOLVE_IPADDRESS /* resolve ip addresses into hostnames */
60 #define bit(x) (1<<(x))
63 #define minutes(x) (60*(x))
64 #define hours(x) (60*60*(x))
65 #define days(x) (60*60*24*(x))
68 * If EXPR is true, an internal error occured.
70 * Usage: if (CANT_HAPPEN(...)) <recovery code>;
72 #define CANT_HAPPEN(expr) ((expr) ? oops(#expr, __FILE__, __LINE__), 1 : 0)
75 * Report internal error.
76 * Usage: CANT_REACH(); <recovery code>;
78 #define CANT_REACH() oops(NULL, __FILE__, __LINE__)
80 extern void oops(char *, char *, int);
81 extern void (*oops_handler)(void);
83 void exit_nomem(void) ATTRIBUTE((noreturn));
85 /* return codes from command routines */
86 #define RET_OK 0 /* command completed sucessfully */
87 #define RET_FAIL 1 /* command completed unsucessfully [?] */
88 #define RET_SYN 2 /* syntax error in command */
90 extern char *getstarg(char *input, char *prompt, char buf[]);
91 extern char *getstring(char *prompt, char buf[]);
92 extern char *ugetstring(char *prompt, char buf[]);
94 extern char *prbuf(char *format, ...)
95 ATTRIBUTE((format (printf, 1, 2)));
98 #define AGREE_PROPOSED 1
99 #define AGREE_SIGNED 2