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73 lines
2.3 KiB
C
73 lines
2.3 KiB
C
/* $NetBSD: devopen.c,v 1.3 2005/12/11 12:17:34 christos Exp $ */
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/*
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* Copyright (c) 2003 Naoto Shimazaki.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY NAOTO SHIMAZAKI AND CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE NAOTO OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: devopen.c,v 1.3 2005/12/11 12:17:34 christos Exp $");
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#include <lib/libsa/stand.h>
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#include <lib/libkern/libkern.h>
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#include "extern.h"
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int
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devopen(struct open_file *f, const char *fname, char **file)
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{
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int i;
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char devname[IFNAME_SIZE];
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const char *basename;
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for (i = 0; i < IFNAME_SIZE; i++) {
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if (fname[i] == '\0') {
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devname[i] = '\0';
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basename = &fname[i];
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break;
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}
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if (fname[i] == ':') {
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devname[i] = '\0';
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basename = &fname[i + 1];
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break;
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}
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devname[i] = fname[i];
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}
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for (i = 0; i < ndevs; i++) {
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if (strcmp(devname, devsw[i].dv_name) == 0) {
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f->f_dev = &devsw[i];
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return DEV_OPEN(f->f_dev)(f, basename, file);
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}
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}
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printf("No such device - Configured devices are:\n");
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for (i = 0; i < ndevs; i++) {
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if (devsw[i].dv_name)
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printf(" %s", devsw[i].dv_name);
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}
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printf("\n");
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return ENODEV;
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}
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