sys/arch/hpcmips/stand/lcboot/devopen.c

   1 /* $NetBSD: devopen.c,v 1.1.2.3 2004/09/21 13:16:12 skrll Exp $ */
   2
   3 /*
   4  * Copyright (c) 2003 Naoto Shimazaki.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY NAOTO SHIMAZAKI AND CONTRIBUTORS ``AS IS''
  17  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  18  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE NAOTO OR CONTRIBUTORS BE
  20  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  26  * THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28 #include <sys/cdefs.h>
  29 __KERNEL_RCSID(0, "$NetBSD: devopen.c,v 1.1.2.3 2004/09/21 13:16:12 skrll Exp $");
  30
  31 #include <lib/libsa/stand.h>
  32 #include <lib/libkern/libkern.h>
  33
  34 #include "extern.h"
  35
  36 int
  37 devopen(struct open_file *f, const char *fname, char **file)
  38 {
  39         int             i;
  40         char            devname[IFNAME_SIZE];
  41         const char      *basename;
  42
  43         for (i = 0; i < IFNAME_SIZE; i++) {
  44                 if (fname[i] == '\0') {
  45                         devname[i] = '\0';
  46                         basename = &fname[i];
  47                         break;
  48                 }
  49                 if (fname[i] == ':') {
  50                         devname[i] = '\0';
  51                         basename = &fname[i + 1];
  52                         break;
  53                 }
  54                 devname[i] = fname[i];
  55         }
  56
  57         for (i = 0; i < ndevs; i++) {
  58                 if (strcmp(devname, devsw[i].dv_name) == 0) {
  59                         f->f_dev = &devsw[i];
  60                         return DEV_OPEN(f->f_dev)(f, basename, file);
  61                 }
  62         }
  63
  64         printf("No such device - Configured devices are:\n");
  65         for (i = 0; i < ndevs; i++) {
  66                 if (devsw[i].dv_name)
  67                         printf(" %s", devsw[i].dv_name);
  68         }
  69         printf("\n");
  70
  71         return ENODEV;
  72 }