sys/arch/acorn26/stand/lib/riscosdisk.c

   1 /*      $NetBSD$        */
   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