1 /* $NetBSD: devopen.c,v 1.3 2005/12/11 12:17:34 christos 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 1.3 2005/12/11 12:17:34 christos 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 } 73