1 1.3 bjh21 /* $NetBSD: devopen.c,v 1.3 2006/04/05 21:30:29 bjh21 Exp $ */ 2 1.1 reinoud 3 1.1 reinoud /*- 4 1.3 bjh21 * Copyright (c) 2001, 2006 Ben Harris 5 1.1 reinoud * All rights reserved. 6 1.1 reinoud * 7 1.1 reinoud * Redistribution and use in source and binary forms, with or without 8 1.1 reinoud * modification, are permitted provided that the following conditions 9 1.1 reinoud * are met: 10 1.1 reinoud * 1. Redistributions of source code must retain the above copyright 11 1.1 reinoud * notice, this list of conditions and the following disclaimer. 12 1.1 reinoud * 2. Redistributions in binary form must reproduce the above copyright 13 1.1 reinoud * notice, this list of conditions and the following disclaimer in the 14 1.1 reinoud * documentation and/or other materials provided with the distribution. 15 1.1 reinoud * 3. The name of the author may not be used to endorse or promote products 16 1.1 reinoud * derived from this software without specific prior written permission. 17 1.1 reinoud * 18 1.1 reinoud * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 1.1 reinoud * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 1.1 reinoud * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 1.1 reinoud * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 1.1 reinoud * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 1.1 reinoud * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 1.1 reinoud * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 1.1 reinoud * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 1.1 reinoud * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 1.1 reinoud * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 1.1 reinoud */ 29 1.1 reinoud 30 1.2 bjh21 #include <sys/disklabel.h> 31 1.2 bjh21 #include <lib/libkern/libkern.h> 32 1.1 reinoud #include <lib/libsa/stand.h> 33 1.2 bjh21 #include <riscosdisk.h> 34 1.1 reinoud 35 1.1 reinoud int 36 1.1 reinoud devopen(struct open_file *f, const char *fname, char **file) 37 1.1 reinoud { 38 1.2 bjh21 #ifdef LIBSA_SINGLE_FILESYSTEM 39 1.1 reinoud 40 1.1 reinoud /* We don't support any devices yet. */ 41 1.1 reinoud f->f_flags |= F_NODEV; 42 1.1 reinoud *file = (char *)fname; 43 1.1 reinoud return 0; 44 1.2 bjh21 #else 45 1.2 bjh21 char *p, *fsname; 46 1.2 bjh21 int part, drive, err, fslen; 47 1.2 bjh21 48 1.2 bjh21 p = strchr(fname, ':'); 49 1.2 bjh21 if (p == NULL || p == fname) return ENOENT; 50 1.2 bjh21 *file = p + 1; 51 1.2 bjh21 p--; 52 1.2 bjh21 if (p == fname) return ENOENT; 53 1.3 bjh21 if (islower((unsigned char)*p)) 54 1.2 bjh21 part = *p-- - 'a'; 55 1.2 bjh21 else 56 1.2 bjh21 part = RAW_PART; 57 1.2 bjh21 if (p == fname) return ENOENT; 58 1.2 bjh21 drive = 0; 59 1.3 bjh21 while (isdigit((unsigned char)*p) && p >= fname) 60 1.2 bjh21 drive = drive * 10 + *p-- - '0'; 61 1.2 bjh21 if (p <= fname) return ENOENT; 62 1.2 bjh21 63 1.2 bjh21 fslen = p + 1 - fname; 64 1.2 bjh21 fsname = alloc(fslen + 1); 65 1.2 bjh21 memcpy(fsname, fname, fslen); 66 1.2 bjh21 fsname[fslen] = 0; 67 1.2 bjh21 err = rodisk_open(f, fsname, drive, part); 68 1.2 bjh21 dealloc(fsname, fslen + 1); 69 1.2 bjh21 return err; 70 1.2 bjh21 #endif 71 1.1 reinoud } 72
Indexes created Sat Sep 20 22:09:52 GMT 2025