/*
Copyright (C) 1996-2001 Id Software, Inc.
Copyright (C) 2010-2014 QuakeSpasm developers
Copyright (C) 2020-2021 Vittorio Romeo

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.

*/

#pragma once

#include "q_stdinc.hpp"

// sys.h -- non-portable functions

void Sys_Init();

//
// file IO
//

// returns the file size or -1 if file is not present.
// the file should be in BINARY mode for stupid OSs that care
int Sys_FileOpenRead(const char* path, int* hndl);

int Sys_FileOpenWrite(const char* path);
int Sys_FileOpenStdio(FILE* file); // QSS

void Sys_FileClose(int handle);
void Sys_FileSeek(int handle, int position);
int Sys_FileRead(int handle, void* dest, int count);
int Sys_FileWrite(int handle, const void* data, int count);
int Sys_FileTime(const char* path);
void Sys_mkdir(const char* path);

//
// system IO
//
[[noreturn]] void Sys_Quit();
[[noreturn]] void Sys_Error(const char* error, ...) FUNC_PRINTF(1, 2);
// an error will cause the entire program to exit
#ifdef __WATCOMC__
#pragma aux Sys_Error aborts;
#pragma aux Sys_Quit aborts;
#endif

void Sys_Printf(const char* fmt, ...) FUNC_PRINTF(1, 2);
// send text to the console

double Sys_DoubleTime();

const char* Sys_ConsoleInput();

void Sys_Sleep(unsigned long msecs);
// yield for about 'msecs' milliseconds.

void Sys_SendKeyEvents();
// Perform Key_Event () callbacks until the input que is empty
