/*
 * resetdev.c
 *
 */

#include <exec/types.h>
#include <exec/devices.h>
#include <exec/io.h>

#ifdef __SASC
#include <proto/exec.h>
int CXBRK(void) {return 0;}
#endif

#include <stdio.h>
#include <stdlib.h>

struct MsgPort *MPort = NULL;
struct IOStdReq *Req = NULL;
struct Device *Dev = NULL;

char *dev_name = "crypt.device";

main(int argc, char *argv[])
{
  int unit;
  int err = 10;

  if(argc != 2 && argc != 3)
     {
	fprintf(stderr, "Usage: %s unitnumber [devicename]\n", argv[0]);
	exit(10);
     }

  if(argc == 3) dev_name = argv[2];

  unit = atoi(argv[1]);

  if((MPort = CreatePort(0,0)) == NULL)
     {
	fprintf(stderr, "Can't create message port\n");
	goto cleanexit;
     }

  if((Req = (struct IOStdReq *)CreateExtIO(MPort,
    sizeof(struct IOStdReq))) == NULL)
     {
	fprintf(stderr, "Can't create IORequest\n");
	goto cleanexit;
     }

  if(OpenDevice(dev_name, unit, Req, 0))
     {
	fprintf(stderr, "Can't open %s\n", dev_name);
	goto cleanexit;
     }

  Dev = Req->io_Device;


  Req->io_Command = CMD_RESET;
  DoIO(Req);

  err = 0;

cleanexit:
  if(Dev) CloseDevice(Req);
  if(Req) DeleteExtIO(Req);
  if(MPort) DeletePort(MPort);
  exit(err);
}