/*
	sys_unix.c

	(description)

	Copyright (C) 1996-1997  Id Software, Inc.
	Copyright (C) 2000       Marcus Sundberg [mackan@stacken.kth.se]

	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:

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

	$Id$
*/

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif

#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/time.h>

#include "sys.h"
#include "qargs.h"
#include "host.h"
#include "cvar.h"
#include "server.h"

/* This is unused in the client, but we need the symbol there too. */
server_static_t	svs;

cvar_t	*sys_nostdout;

/* The translation table between the graphical font and plain ASCII  --KB */
static char qfont_table[256] =
{
	'\0', '#',  '#',  '#',  '#',  '.',  '#',  '#',
	'#',  9,    10,   '#',  ' ',  13,   '.',  '.',
	'[',  ']',  '0',  '1',  '2',  '3',  '4',  '5',
	'6',  '7',  '8',  '9',  '.',  '<',  '=',  '>',
	' ',  '!',  '"',  '#',  '$',  '%',  '&',  '\'',
	'(',  ')',  '*',  '+',  ',',  '-',  '.',  '/',
	'0',  '1',  '2',  '3',  '4',  '5',  '6',  '7',
	'8',  '9',  ':',  ';',  '<',  '=',  '>',  '?',
	'@',  'A',  'B',  'C',  'D',  'E',  'F',  'G',
	'H',  'I',  'J',  'K',  'L',  'M',  'N',  'O',
	'P',  'Q',  'R',  'S',  'T',  'U',  'V',  'W',
	'X',  'Y',  'Z',  '[',  '\\', ']',  '^',  '_',
	'`',  'a',  'b',  'c',  'd',  'e',  'f',  'g',
	'h',  'i',  'j',  'k',  'l',  'm',  'n',  'o',
	'p',  'q',  'r',  's',  't',  'u',  'v',  'w',
	'x',  'y',  'z',  '{',  '|',  '}',  '~',  '<',

	'<',  '=',  '>',  '#',  '#',  '.',  '#',  '#',
	'#',  '#',  ' ',  '#',  ' ',  '>',  '.',  '.',
	'[',  ']',  '0',  '1',  '2',  '3',  '4',  '5',
	'6',  '7',  '8',  '9',  '.',  '<',  '=',  '>',
	' ',  '!',  '"',  '#',  '$',  '%',  '&',  '\'',
	'(',  ')',  '*',  '+',  ',',  '-',  '.',  '/',
	'0',  '1',  '2',  '3',  '4',  '5',  '6',  '7',
	'8',  '9',  ':',  ';',  '<',  '=',  '>',  '?',
	'@',  'A',  'B',  'C',  'D',  'E',  'F',  'G',
	'H',  'I',  'J',  'K',  'L',  'M',  'N',  'O',
	'P',  'Q',  'R',  'S',  'T',  'U',  'V',  'W',
	'X',  'Y',  'Z',  '[',  '\\', ']',  '^',  '_',
	'`',  'a',  'b',  'c',  'd',  'e',  'f',  'g',
	'h',  'i',  'j',  'k',  'l',  'm',  'n',  'o',
	'p',  'q',  'r',  's',  't',  'u',  'v',  'w',
	'x',  'y',  'z',  '{',  '|',  '}',  '~',  '<'
};

#define MAXPRINTMSG 4096
/*
================
Sys_Printf
================
*/
void Sys_Printf (char *fmt, ...)
{
	va_list		argptr;
	char		msg[MAXPRINTMSG];

	unsigned char	*p;

	if (sys_nostdout && sys_nostdout->int_val)
		return;

	va_start (argptr, fmt);
	vsnprintf(msg, sizeof (msg), fmt, argptr);
	va_end (argptr);

	/* translate to ASCII instead of printing [xx]  --KB */
	for (p = (unsigned char *) msg; *p; p++)
		putc (qfont_table[*p], stdout);

	fflush (stdout);
}


/*
============
Sys_FileTime

returns -1 if not present
============
*/
int	Sys_FileTime (char *path)
{
	struct stat	buf;
	
	if (stat(path,&buf) == -1) return -1;
	
	return buf.st_mtime;
}


/*
============
Sys_mkdir

============
*/
void Sys_mkdir (char *path)
{
	if (mkdir(path, 0777) == 0) return;
	if (errno != EEXIST) Sys_Error("mkdir %s: %s",path, strerror(errno)); 
}


/*
================
Sys_DoubleTime
================
*/
double Sys_DoubleTime (void)
{
	struct timeval tp;
	struct timezone tzp;
	static int		secbase;

	gettimeofday(&tp, &tzp);
	
	if (!secbase)
	{
		secbase = tp.tv_sec;
		return tp.tv_usec/1000000.0;
	}
	
	return (tp.tv_sec - secbase) + tp.tv_usec/1000000.0;
}