/* $NetBSD: devopen.c,v 1.3 2005/12/11 12:17:34 christos Exp $ */

/*
* Copyright (c) 2003 Naoto Shimazaki.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY NAOTO SHIMAZAKI AND CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE NAOTO OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: devopen.c,v 1.3 2005/12/11 12:17:34 christos Exp $");

#include <lib/libsa/stand.h>
#include <lib/libkern/libkern.h>

#include "extern.h"

int
devopen(struct open_file *f, const char *fname, char **file)
{
       int             i;
       char            devname[IFNAME_SIZE];
       const char      *basename;

       for (i = 0; i < IFNAME_SIZE; i++) {
               if (fname[i] == '\0') {
                       devname[i] = '\0';
                       basename = &fname[i];
                       break;
               }
               if (fname[i] == ':') {
                       devname[i] = '\0';
                       basename = &fname[i + 1];
                       break;
               }
               devname[i] = fname[i];
       }

       for (i = 0; i < ndevs; i++) {
               if (strcmp(devname, devsw[i].dv_name) == 0) {
                       f->f_dev = &devsw[i];
                       return DEV_OPEN(f->f_dev)(f, basename, file);
               }
       }

       printf("No such device - Configured devices are:\n");
       for (i = 0; i < ndevs; i++) {
               if (devsw[i].dv_name)
                       printf(" %s", devsw[i].dv_name);
       }
       printf("\n");

       return ENODEV;
}