/*\
 *  libLB - The LBPP support library
 *  Copyright (C) 2001   Anthony Liguori <ajl13@bellatlantic.net>
 *
 *  libLB is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  libLB 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
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
\*/

#include <string.h>
#include "lb.h"

int lb_register_dev_cid(LBContext *cxt, char *name)
{
  int i;

  for (i = 0; i < cxt->dev_class_size; i++)
    {
      if (!strcmp(name, cxt->dev_class[i].name))
	{
	  break;
	}
    }

  if (i == cxt->dev_class_size)
    {
      if (++(cxt->dev_class_size) > cxt->dev_class_capacity)
	{
	  cxt->dev_class_capacity += 10;

	  cxt->dev_class = (LBDeviceClass *)
	    realloc(cxt->dev_class,
		    cxt->dev_class_capacity*sizeof(LBDeviceClass));
	}

      strcpy(cxt->dev_class[i].name, name);
    }

  return i;
}

int lb_get_dev_cid(LBContext *cxt, char *name)
{
  int i;

  for (i = 0; i < cxt->dev_class_size; i++)
    {
      if (!strcmp(name, cxt->dev_class[i].name))
	{
	  return (i);
	}
    }

  return (-1);
}  

LBDevice *lb_get_dev(LBContext *cxt, char *name)
{
  int i;

  for (i = 0; i < cxt->devs_size; i++)
    {
      if (!strcasecmp(cxt->devs[i].name, name))
	{
	  return &(cxt->devs[i]);
	}
    }

  return 0;
}

LBDevice *lb_register_dev(LBContext *cxt, char *name, char *class)
{
  int i;

  for (i = 0; i < cxt->devs_size; i++)
    {
      if (!strcasecmp(cxt->devs[i].name, name))
	{
	  break;
	}
    }

  if (i == cxt->devs_size)
    {
      if (++(cxt->devs_size) > cxt->devs_capacity)
	{
	  cxt->devs_capacity += 10;

	  cxt->devs = (LBDevice *)realloc(cxt->devs,
					  cxt->devs_capacity*sizeof(LBDevice));
	}

      strcpy(cxt->devs[i].name, name);
      cxt->devs[i].dev_type = LB_DEV_NONE;
      cxt->devs[i].cid = lb_register_dev_cid(cxt, class);

      cxt->devs[i].open = 0;
      cxt->devs[i].close = 0;

      cxt->devs[i].eof = 0;
      cxt->devs[i].lof = 0;

      cxt->devs[i].read_str = 0;
      cxt->devs[i].write_str = 0;
      cxt->devs[i].read_db = 0;
      cxt->devs[i].write_str = 0;

      cxt->devs[i].read_str_from = 0;
      cxt->devs[i].write_str_to = 0;
      cxt->devs[i].read_db_from = 0;
      cxt->devs[i].write_str_to = 0;
    }

  return &(cxt->devs[i]);
}