/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2005, Dave Pare, Jeff Bailey, Thomas Ruschak,
- * Ken Stevens, Steve McClure
+ * Copyright (C) 1986-2020, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Ken Stevens, Steve McClure, Markus Armbruster
*
- * This program is free software; you can redistribute it and/or modify
+ * 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 2 of the License, or
+ * 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,
* 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* ---
*
- * See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
- * related information and legal notices. It is expected that any future
- * projects/authors will amend these files as needed.
+ * 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
+ * Doug Hay, 1998
+ * Markus Armbruster, 2004-2020
*/
#ifndef MISC_H
#define MISC_H
-#include <ctype.h>
-#include <string.h>
-#include <sys/types.h>
-
-#if defined(_WIN32)
-typedef unsigned char u_char;
-typedef unsigned short u_short;
-typedef unsigned int u_int;
-typedef long ssize_t;
-
-/* integral mismatch, due to misuse of sector short */
-#ifndef __GNUC__
-#pragma warning (disable : 4761 )
-#endif
-
-#include <windef.h>
-#include <io.h>
+#define MAX(a,b) ((a) > (b) ? (a) : (b))
+#define MIN(a,b) ((a) < (b) ? (a) : (b))
-#define random rand
-#define srandom srand
-
-#define strncasecmp(s1, s2, s3) _strnicmp(s1, s2, s3)
-#define mkdir(dir,perm) _mkdir(dir)
-/* used for access */
-#ifndef F_OK
-#define F_OK 0 /* FILE existence */
-#endif
-#ifndef W_OK
-#define W_OK 02 /* Write permission */
-#endif
-#ifndef R_OK
-#define R_OK 04 /* Read permission */
-#endif
+#define LIMIT_TO(val, min, max) \
+ ((val) < (min) ? (min) : (val) > (max) ? (max) : (val))
-typedef int pid_t;
-#define vsnprintf _vsnprintf
-
-/*#define _POSIX_ */
-#endif
-
-/* This is the structure we use to keep track of the global mobility
- things, such as when the server is supposed to start/stop updating
- mobility and the timestamp of when the game was last up. These
- times are in seconds. */
-struct mob_acc_globals {
- time_t timestamp; /* Last timestamp of when the game was up */
- time_t starttime; /* When we should start updating mobility again. */
-};
+#ifdef _WIN32
+#include "w32misc.h"
+#endif /* _WIN32 */
#ifdef __GNUC__
#define ATTRIBUTE(attrs) __attribute__ (attrs)
#define ATTRIBUTE(attrs)
#endif
-/* This uses a lot of thread stack with some versions of GNU libc,
- which can lead to nasty heap smashes (observed with 2.2.93).
- Disabled for now, until we readjust thread stack sizes. */
-#if 0
-#define RESOLVE_IPADDRESS /* resolve ip addresses into hostnames */
+#ifndef bit
+#define bit(x) (1U<<(x))
#endif
-typedef u_char natid; /* NSC_NATID must match this */
+#define minutes(x) (60*(x))
+#define hours(x) (60*60*(x))
+#define days(x) (60*60*24*(x))
/*
- * TODO s_char has to go. Use plain char for characters and strings,
- * signed char for small integers.
+ * If @expr is true, an internal error occured.
+ * Return @expr != 0.
+ * Usage: if (CANT_HAPPEN(...)) <recovery code>;
*/
-#ifdef __CHAR_UNSIGNED__
-typedef signed char s_char;
-#else
-typedef char s_char;
-#endif
+#define CANT_HAPPEN(expr) ((expr) ? oops(#expr, __FILE__, __LINE__), 1 : 0)
-typedef short coord;
+/*
+ * Report internal error.
+ * Usage: CANT_REACH(); <recovery code>;
+ */
+#define CANT_REACH() oops(NULL, __FILE__, __LINE__)
-#ifndef bit
-#define bit(x) (1<<(x))
-#endif
+extern void oops(char *, char *, int);
+extern void (*oops_handler)(void);
-#define minutes(x) (60*(x))
-#define hours(x) (60*60*(x))
-#define days(x) (60*60*24*(x))
+/*
+ * Assert constant expression @cond, return 1.
+ * If @cond is zero, force a compilation error.
+ */
+#define BUILD_ASSERT_ONE(cond) \
+ (sizeof(char[1 - 2 * !(cond)]))
-extern int debug;
-extern int daemonize;
+/*
+ * Assert constant expression @cond.
+ * If @cond is zero, force a compilation error.
+ */
+#define BUILD_ASSERT(cond) \
+ ((void)BUILD_ASSERT_ONE(cond))
/*
- * If EXPR is true, an internal error occured.
- * Return EXPR != 0.
- * Usage: if (CANT_HAPPEN(...)) recovery_code();
+ * Number of elements in ARRAY.
*/
-#define CANT_HAPPEN(expr) ((expr) ? oops(#expr, __FILE__, __LINE__) : 0)
-extern int oops(char *, char *, int);
+#define ARRAY_SIZE(array) (sizeof(array) / sizeof(array[0]))
- /* 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 */
-#define RET_SYS 3 /* system error (missing file, etc) */
+void exit_nomem(void) ATTRIBUTE((noreturn));
-double dmax(double n1, double n2);
-double dmin(double n1, double n2);
+ /* 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
projects / empserver / blobdiff