Home | History | Annotate | Line # | Download | only in lib
riscosdisk.c revision 1.1 
      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