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devopen.c revision 1.2 
      1  1.1  igy /* $NetBSD: devopen.c,v 1.2 2003/08/09 08:01:46 igy Exp $ */
      2  1.1  igy 
      3  1.1  igy /*
      4  1.2  igy  * Copyright (c) 2003 Naoto Shimazaki.
      5  1.1  igy  * All rights reserved.
      6  1.1  igy  *
      7  1.1  igy  * Redistribution and use in source and binary forms, with or without
      8  1.1  igy  * modification, are permitted provided that the following conditions
      9  1.1  igy  * are met:
     10  1.1  igy  * 1. Redistributions of source code must retain the above copyright
     11  1.1  igy  *    notice, this list of conditions and the following disclaimer.
     12  1.1  igy  * 2. Redistributions in binary form must reproduce the above copyright
     13  1.1  igy  *    notice, this list of conditions and the following disclaimer in the
     14  1.1  igy  *    documentation and/or other materials provided with the distribution.
     15  1.1  igy  *
     16  1.2  igy  * THIS SOFTWARE IS PROVIDED BY NAOTO SHIMAZAKI AND CONTRIBUTORS ``AS IS''
     17  1.2  igy  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
     18  1.2  igy  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  1.2  igy  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE NAOTO OR CONTRIBUTORS BE
     20  1.2  igy  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  1.1  igy  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  1.1  igy  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  1.1  igy  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  1.1  igy  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  1.2  igy  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     26  1.2  igy  * THE POSSIBILITY OF SUCH DAMAGE.
     27  1.1  igy  */
     28  1.1  igy #include <sys/cdefs.h>
     29  1.2  igy __KERNEL_RCSID(0, "$NetBSD: devopen.c,v 1.2 2003/08/09 08:01:46 igy Exp $");
     30  1.1  igy 
     31  1.1  igy #include <lib/libsa/stand.h>
     32  1.2  igy #include <lib/libkern/libkern.h>
     33  1.1  igy 
     34  1.1  igy #include "extern.h"
     35  1.1  igy 
     36  1.1  igy int
     37  1.1  igy devopen(struct open_file *f, const char *fname, char **file)
     38  1.1  igy {
     39  1.2  igy 	int		i;
     40  1.2  igy 	char		devname[IFNAME_SIZE];
     41  1.2  igy 	const char	*basename;
     42  1.2  igy 
     43  1.2  igy 	for (i = 0; i < IFNAME_SIZE; i++) {
     44  1.2  igy 		if (fname[i] == '\0') {
     45  1.2  igy 			devname[i] = '\0';
     46  1.2  igy 			basename = &fname[i];
     47  1.2  igy 			break;
     48  1.2  igy 		}
     49  1.2  igy 		if (fname[i] == ':') {
     50  1.2  igy 			devname[i] = '\0';
     51  1.2  igy 			basename = &fname[i + 1];
     52  1.2  igy 			break;
     53  1.2  igy 		}
     54  1.2  igy 		devname[i] = fname[i];
     55  1.2  igy 	}
     56  1.2  igy 
     57  1.2  igy 	for (i = 0; i < ndevs; i++) {
     58  1.2  igy 		if (strcmp(devname, devsw[i].dv_name) == 0) {
     59  1.2  igy 			f->f_dev = &devsw[i];
     60  1.2  igy 			return DEV_OPEN(f->f_dev)(f, basename, file);
     61  1.2  igy 		}
     62  1.2  igy 	}
     63  1.2  igy 
     64  1.2  igy 	printf("No such device - Configured devices are:\n");
     65  1.2  igy 	for (i = 0; i < ndevs; i++) {
     66  1.2  igy 		if (devsw[i].dv_name)
     67  1.2  igy 			printf(" %s", devsw[i].dv_name);
     68  1.2  igy 	}
     69  1.2  igy 	printf("\n");
     70  1.2  igy 
     71  1.2  igy 	return ENODEV;
     72  1.1  igy }
     73