1 /* $NetBSD: riscosdisk.c,v 1.1 2002/12/28 23:57:38 reinoud Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 Ben Harris 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 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #include <lib/libsa/stand.h> 31 #include <riscoscalls.h> 32 33 #include <stdarg.h> 34 35 struct riscosdisk { 36 int drive; 37 /* SWI numbers */ 38 int describe_disc; 39 int disc_op; 40 }; 41 42 int 43 rodisk_open(struct open_file *f, ...) 44 { 45 va_list ap; 46 char const *fsname; 47 int drive; 48 size_t buflen; 49 char *buf; 50 struct riscosdisk *rd; 51 52 va_start(ap, f); 53 fsname = va_arg(ap, char const *); 54 drive = va_arg(ap, int); 55 va_end(ap); 56 57 rd = (struct riscosdisk *) alloc(sizeof(*rd)); 58 59 buflen = strlen(fsname) + 13; 60 buf = alloc(buflen); 61 sprintf(buf, "%s_DescribeDisc", fsname); 62 if (xos_swi_number_from_string(buf, &rd->describe_disc) != NULL) 63 return ENODEV; 64 sprintf(buf, "%s_DiscOp", fsname); 65 if (xos_swi_number_from_string(buf, &rd->disc_op) != NULL) 66 return ENODEV; 67 68 69 70