/*
* Empire - A multi-player, client/server Internet based war game.
* Copyright (C) 1986-2015, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure, Markus Armbruster
*
* Empire is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*
* ---
*
* See files README, COPYING and CREDITS in the root of the source
* tree for related information and legal notices. It is expected
* that future projects/authors will amend these files as needed.
*
* ---
*
* misc.h: Misc. definitions which don't really belong anywhere,
* but have to go somewhere!
*
* Known contributors to this file:
* Doug Hay, 1998
* Markus Armbruster, 2004-2014
*/
#ifndef MISC_H
#define MISC_H
#define MAX(a,b) ((a) > (b) ? (a) : (b))
#define MIN(a,b) ((a) < (b) ? (a) : (b))
#define LIMIT_TO(val, min, max) \
((val) < (min) ? (min) : (val) > (max) ? (max) : (val))
#ifdef _WIN32
#include "w32misc.h"
#endif /* _WIN32 */
#ifdef __GNUC__
#define ATTRIBUTE(attrs) __attribute__ (attrs)
#else
#define ATTRIBUTE(attrs)
#endif
#ifndef bit
#define bit(x) (1<<(x))
#endif
#define minutes(x) (60*(x))
#define hours(x) (60*60*(x))
#define days(x) (60*60*24*(x))
/*
* If @expr is true, an internal error occured.
* Return @expr != 0.
* Usage: if (CANT_HAPPEN(...)) ;
*/
#define CANT_HAPPEN(expr) ((expr) ? oops(#expr, __FILE__, __LINE__), 1 : 0)
/*
* Report internal error.
* Usage: CANT_REACH(); ;
*/
#define CANT_REACH() oops(NULL, __FILE__, __LINE__)
extern void oops(char *, char *, int);
extern void (*oops_handler)(void);
void exit_nomem(void) ATTRIBUTE((noreturn));
/* return codes from command routines */
#define RET_OK 0 /* command completed sucessfully */
#define RET_FAIL 1 /* command completed unsucessfully [?] */
#define RET_SYN 2 /* syntax error in command */
extern char *getstarg(char *input, char *prompt, char buf[]);
extern char *getstring(char *prompt, char buf[]);
extern char *ugetstring(char *prompt, char buf[]);
extern char *prbuf(char *format, ...)
ATTRIBUTE((format (printf, 1, 2)));
#define AGREE_FREE 0
#define AGREE_PROPOSED 1
#define AGREE_SIGNED 2
#endif