/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2007, 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/>.
*
* ---
*
*
* 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, 2004-2014
*/
#ifndef MISC_H
#define MAX(a,b) ((a) > (b) ? (a) : (b))
#define MIN(a,b) ((a) < (b) ? (a) : (b))
-#ifdef _WIN32
-#ifndef __GNUC__
-
-typedef long ssize_t;
-
-/* integral mismatch, due to misuse of sector short */
-#pragma warning (disable : 4761 )
-
-#define strncasecmp(s1, s2, s3) _strnicmp((s1), (s2), (s3))
-
-typedef int pid_t;
-#define vsnprintf _vsnprintf
-#define snprintf _snprintf
-
-#endif /* !__GNUC__ */
+#define LIMIT_TO(val, min, max) \
+ ((val) < (min) ? (min) : (val) > (max) ? (max) : (val))
-#define mkdir(dir,perm) _mkdir((dir))
-#define random rand
-#define srandom srand
-#ifndef S_IRUSR
-#define S_IRUSR _S_IREAD
-#define S_IWUSR _S_IWRITE
-#define S_IXUSR _S_IEXEC
-#define S_IRWXU S_IRUSR | S_IWUSR | S_IXUSR
-#endif
-#ifndef S_IRGRP
-#define S_IRGRP 0
-#define S_IWGRP 0
-#define S_IXGRP 0
-#define S_IRWXG S_IRGRP | S_IWGRP | S_IXGRP
-#endif
-#ifndef S_IROTH
-#define S_IROTH 0
-#define S_IWOTH 0
-#define S_IXOTH 0
-#define S_IRWXO S_IROTH | S_IWOTH | S_IXOTH
-#endif
+#ifdef _WIN32
+#include "w32misc.h"
#endif /* _WIN32 */
-#ifndef S_IRWUG
-#define S_IRWUG S_IRGRP | S_IWGRP | S_IRUSR | S_IWUSR
-#endif
-
#ifdef __GNUC__
#define ATTRIBUTE(attrs) __attribute__ (attrs)
#else
#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 */
-#endif
-
#ifndef bit
-#define bit(x) (1<<(x))
+#define bit(x) (1U<<(x))
#endif
#define minutes(x) (60*(x))
#define hours(x) (60*60*(x))
#define days(x) (60*60*24*(x))
-extern int debug;
-
/*
- * If EXPR is true, an internal error occured.
- * Return EXPR != 0.
+ * If @expr is true, an internal error occured.
+ * Return @expr != 0.
* Usage: if (CANT_HAPPEN(...)) <recovery code>;
*/
-#define CANT_HAPPEN(expr) ((expr) ? oops(#expr, __FILE__, __LINE__) : 0)
+#define CANT_HAPPEN(expr) ((expr) ? oops(#expr, __FILE__, __LINE__), 1 : 0)
/*
* Report internal error.
* Usage: CANT_REACH(); <recovery code>;
*/
-#define CANT_REACH() (void)oops(NULL, __FILE__, __LINE__)
+#define CANT_REACH() oops(NULL, __FILE__, __LINE__)
+
+extern void oops(char *, char *, int);
+extern void (*oops_handler)(void);
+
+/*
+ * 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 oops(char *, char *, int);
+/*
+ * Assert constant expression @cond.
+ * If @cond is zero, force a compilation error.
+ */
+#define BUILD_ASSERT(cond) \
+ ((void)BUILD_ASSERT_ONE(cond))
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 */
-#define RET_SYS 3 /* system error (missing file, etc) */
+#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)));