/*
 *  ppui/osinterface/posix/PPSystem_POSIX.cpp
 *
 *  Copyright 2009 Peter Barth
 *
 *  This file is part of Milkytracker.
 *
 *  Milkytracker 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.
 *
 *  Milkytracker 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 Milkytracker.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

/*
 *  PPSystem_POSIX.cpp
 *  MilkyTracker
 *
 *  Created by Peter Barth on Thu Mar 10 2005.
 *
 */

#include "PPSystem_POSIX.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <limits.h>

#ifdef __PSP__
#include <pspkernel.h>
#include <sys/syslimits.h>
#endif

#ifdef __AMIGA__
#include <sys/syslimits.h>
#endif

#ifdef __HAIKU__
#include <Directory.h>
#include <Entry.h>
#include <FindDirectory.h>
#include <Path.h>
#endif

SYSCHAR System::buffer[PATH_MAX+1];

const SYSCHAR* System::getTempFileName()
{	
	// Although tmpnam(3) generates names that are difficult to guess, it is 
	// nevertheless possible that between the time that tmpnam(3) returns a pathname, 
	// and the time that the program opens it, another program might create that 
	// pathname using open(2), or create it as a symbolic link. This can lead to security holes. 
	// To avoid such possibilities, use the open(2) O_EXCL flag to open the pathname. 
	// Or better yet, use mkstemp(3) or tmpfile(3).
	tmpnam(buffer);
	// should not be the case, if it is the case, 
	// create something that "might" work out
	if (buffer == NULL)
	{
		char *home = getenv("HOME");
		if(home)
		{
			strcpy(buffer, home);
			strcat(buffer, "/.milkytracker_temp");
		}
		else
			strcpy(buffer, "milkytracker_temp");
	}
	return buffer;
}

const SYSCHAR* System::getConfigFileName()
{
#ifdef __HAIKU__
	BPath path;
	find_directory(B_USER_SETTINGS_DIRECTORY, &path);
	path.Append("MilkyTracker");
	
	BEntry dirEntry(path.Path());
	if (!dirEntry.Exists()) {
		// MilkyTracker settings dir doesn't exist, create it
		BDirectory temp;
		temp.CreateDirectory(path.Path(), NULL);
	}
	
	path.Append("milkytracker_config");
	strcpy(buffer, path.Path());	
	return buffer;
#endif
	char *home = getenv("HOME");
	if(home)
	{
		strcpy(buffer, home);
		strcat(buffer, "/.milkytracker_config");
	}
	else
		strcpy(buffer, "milkytracker_config");

	return buffer;
}

void System::msleep(int msecs)
{
	if (msecs < 0)
		return;
#ifdef __PSP__
	sceKernelDelayThreadCB(msecs*1000);
#elif defined(__AROS__)
	// usleep is not implemented on AROS
	sleep(msecs < 1000 ? 1 : msecs/1000);
#else
	usleep(msecs*1000);
#endif
}
