/************************************************************************ * * * Star Traders: A Game of Interstellar Trading * * Copyright (C) 1990-2011, John Zaitseff * * * ************************************************************************/ /* Author: John Zaitseff $Id$ This file, utils.h, contains various utility function declarations for Star Traders. This program 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 http://www.gnu.org/licenses/. */ #ifndef included_UTILS_H #define included_UTILS_H 1 /************************************************************************ * Constants and type declarations * ************************************************************************/ #define GAME_FILENAME_PROTO "game%d" #define GAME_FILENAME_BUFSIZE (16) /************************************************************************ * Utility function declarations * ************************************************************************/ // Initialisation and environment functions extern void init_program_name (char *argv[]); extern const char *program_name (void); extern const char *home_directory (void); extern const char *data_directory (void); extern char *game_filename (const int game_num); // Error-reporting functions extern void err_exit (const char *format, ...) __attribute__((noreturn, format (printf, 1, 2))); extern void errno_exit (const char *format, ...) __attribute__((noreturn, format (printf, 1, 2))); // Random number functions extern void init_rand (void); extern double randf (void); extern int randi (int limit); #endif /* included_UTILS_H */