/*
 *      $Filename: SystemDep.c $
 *      $Revision: 1.1 $
 *      $Date: 1994/04/03 14:38:12 $
 *
 *      Copyright (C) 1993 by Peter Simons <simons@peti.GUN.de>
 *
 *      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., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 *      $Id: SystemDep.c,v 1.1 1994/04/03 14:38:12 simons Exp simons $
 *
 */


/************************************* includes ***********/
#include <stdio.h>
#include <exec/exec.h>
#include <dos/dos.h>
#include <libraries/netsupport.h>
#include <proto/exec.h>
#include <proto/dos.h>
#include <proto/netsupport.h>

#include "protos.h"

/************************************* global variables ***/
static const char __RCSId[] = "$Id: SystemDep.c,v 1.1 1994/04/03 14:38:12 simons Exp simons $";

#ifdef AMIGA
struct NetSupportLibrary *NetSupportBase = NULL;
#endif

/************************************* routines ***********/

 /*
  * Initialize and open all required system resources we'll
  * need for our program.
  */

int InitSystem(void)
{
#ifdef AMIGA
        if (!(NetSupportBase = (struct NetSupportLibrary *) OpenLibrary(NETSUPPORTNAME, 0L))) {
                fprintf(stderr, "FATAL ERROR: Failed opening %s!\n", NETSUPPORTNAME);
                return 0;
        }

        if (!(DOSBase = (struct DosLibrary *) OpenLibrary(DOSNAME, 0L))) {
                fprintf(stderr, "FATAL ERROR: Failed opening %s!\n", DOSNAME);
                return 0;
        }

        return 1;
#endif
}



 /* Free all previously allocated system resources. */

void FreeSystem(void)
{
#ifdef AMIGA
        if (NetSupportBase) {
                UnLockFiles();
                CloseLibrary((struct Library *) NetSupportBase);
        }

        if (DOSBase)
                CloseLibrary((struct Library *) DOSBase);
#endif
}



#ifdef AMIGA

 /*
  * My Amiga C compiler allows to simply replace the routine that is
  * called whenever a CTRL-C interrupt is detected. You UNIX folks
  * have to install this trap handler using signal() in InitSystem().
  * Sorry. :-))
  */

void __regargs _CXBRK(void)
{
        break_detected = 1;
}

#endif


#ifdef AMIGA

 /*
  * sleep() is available under UNIX, as far as I know, so we just need
  * to define it for the Amiga.
  */

void sleep(int secs)
{
        Delay(secs*50);
}

#endif