/*
Copyright (C) 1996-1997 Id Software, Inc.

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 2
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, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

	$Id: sys.h 643 2007-07-20 13:09:29Z d3urk $
*/
// sys.h -- non-portable functions


//
// file IO
//

#ifndef __SYS_H__
#define __SYS_H__

#define DEFAULT_MEM_SIZE	(16 * 1024 * 1024) // 16 Mb

// returns the file size
// return -1 if file is not present
// the file should be in BINARY mode for stupid OSs that care
#define MAX_DIRFILES 4096
#define MAX_DEMO_NAME 64

typedef struct
{
	char	name[MAX_DEMO_NAME];
	int	size;
	int	time;
	qbool	isdir; //bliP: list dir
} file_t;

typedef struct
{
	file_t *files;
	int	size;
	int	numfiles;
	int	numdirs;
} dir_t;

int		Sys_FileTime (const char *path);
void	Sys_mkdir (const char *path);
int		Sys_rmdir (const char *path);
int		Sys_remove (const char *path);
dir_t	Sys_listdir (const char *path, const char *ext, int sort_type);
int		Sys_compare_by_date (const void *a, const void *b);
int		Sys_compare_by_name (const void *a, const void *b);
#define SORT_NO			0
#define SORT_BY_DATE	1
#define SORT_BY_NAME	2

#if (defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__DragonFly__)) && defined(KQUEUE)
	extern struct timespec select_timeout;
#else
	extern struct timeval  select_timeout;
#endif

//
// system IO
//
void Sys_Error (char *error, ...);
// an error will cause the entire program to exit

void Sys_Printf (char *fmt, ...);
// send text to the console

void Sys_Quit (qbool restart);

double Sys_DoubleTime (void);

char *Sys_ConsoleInput (void);

//void Sys_Sleep (void);
// called to yield for a little bit so as
// not to hog cpu when paused or debugging

void Sys_Init (void);

void Sys_Sleep (unsigned long ms);

int Sys_Script (const char *path, const char *args);

#ifdef _WIN32

#include <conio.h>
#include <direct.h>		// _mkdir
#include <process.h>
#include <winsock2.h>
#include <windows.h>
#include "resource.h"
#include "sv_windows.h"
typedef HMODULE DL_t;
#define DLEXT "dll"

#else

#include <signal.h>
#include <dlfcn.h>
#include <unistd.h>
#include <fcntl.h>
#include <pwd.h>
#include <grp.h>

#if defined(__linux__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__DragonFly__) || defined(__sun__) || defined(__GNUC__) || defined(__APPLE__)
#include <sys/time.h>
#include <dirent.h>
#if (defined(__FreeBSD__) || defined(__OpenBSD__)  || defined(__NetBSD__) || defined(__DragonFly__)) && defined(KQUEUE)
#include <sys/types.h>
#include <sys/event.h>
#ifdef __OpenBSD__ // OpenBSD tell me it want it for kqueue
#include <sys/time.h>
#include <stdint.h> /* for intptr_t */
#endif /* !__OpenBSD__ */
#endif
#else
#include <sys/dir.h>
#endif

#ifndef _PATH_DEVNULL
#define _PATH_DEVNULL "/dev/null"
#else
#include <paths.h>
#endif // __sun__ have no _PATH_DEVNULL

typedef void *DL_t;
#define DLEXT "so"

#endif /* _WIN32 */

DL_t Sys_DLOpen (const char *path);
qbool Sys_DLClose( DL_t dl);
void *Sys_DLProc (DL_t dl, const char *name);

#endif /* !__SYS_H__ */