118 lines
2.7 KiB
C
118 lines
2.7 KiB
C
/* $NetBSD: hfs.c,v 1.2 2001/07/22 11:29:48 wiz Exp $ */
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/*-
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* Copyright (c) 2000 Tsubai Masanari. 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
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/param.h>
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#include <lib/libkern/libkern.h>
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#include <lib/libsa/stand.h>
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#include <openfirm.h>
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#include <hfs.h>
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static int OF_fd; /* XXX */
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int
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hfs_open(path, f)
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char *path;
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struct open_file *f;
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{
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int chosen;
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char bootpath[128], *cp;
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if ((chosen = OF_finddevice("/chosen")) == -1)
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return ENXIO;
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memset(bootpath, 0, sizeof bootpath);
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OF_getprop(chosen, "bootpath", bootpath, sizeof bootpath);
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cp = strrchr(bootpath, ',');
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if (cp == NULL)
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return ENXIO;
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strcpy(cp + 1, path);
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OF_fd = OF_open(bootpath);
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if (OF_fd == -1)
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return ENOENT;
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return 0;
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}
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int
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hfs_close(f)
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struct open_file *f;
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{
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OF_close(OF_fd);
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return 0;
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}
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int
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hfs_read(f, start, size, resid)
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struct open_file *f;
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void *start;
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size_t size, *resid;
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{
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int len;
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len = OF_read(OF_fd, start, size);
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size -= len;
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if (resid)
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*resid = size;
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return 0;
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}
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int
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hfs_write(f, start, size, resid)
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struct open_file *f;
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void *start;
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size_t size, *resid;
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{
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printf("hfs_write\n");
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return ENXIO;
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}
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off_t
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hfs_seek(f, offset, where)
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struct open_file *f;
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off_t offset;
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int where;
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{
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switch (where) {
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case SEEK_SET:
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return OF_seek(OF_fd, offset);
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case SEEK_CUR:
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case SEEK_END:
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default:
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return -1;
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}
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}
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int
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hfs_stat(f, sb)
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struct open_file *f;
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struct stat *sb;
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{
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return 0;
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}
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