70 lines
2.2 KiB
C
70 lines
2.2 KiB
C
/* $NetBSD: riscosdisk.c,v 1.1 2002/12/28 23:57:38 reinoud Exp $ */
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/*-
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* Copyright (c) 2001 Ben Harris
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <lib/libsa/stand.h>
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#include <riscoscalls.h>
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#include <stdarg.h>
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struct riscosdisk {
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int drive;
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/* SWI numbers */
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int describe_disc;
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int disc_op;
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};
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int
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rodisk_open(struct open_file *f, ...)
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{
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va_list ap;
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char const *fsname;
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int drive;
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size_t buflen;
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char *buf;
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struct riscosdisk *rd;
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va_start(ap, f);
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fsname = va_arg(ap, char const *);
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drive = va_arg(ap, int);
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va_end(ap);
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rd = (struct riscosdisk *) alloc(sizeof(*rd));
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buflen = strlen(fsname) + 13;
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buf = alloc(buflen);
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sprintf(buf, "%s_DescribeDisc", fsname);
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if (xos_swi_number_from_string(buf, &rd->describe_disc) != NULL)
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return ENODEV;
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sprintf(buf, "%s_DiscOp", fsname);
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if (xos_swi_number_from_string(buf, &rd->disc_op) != NULL)
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return ENODEV;
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