1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
/* $OpenBSD: hfs.c,v 1.3 2003/10/16 04:30:09 drahn Exp $ */
/* $NetBSD: hfs.c,v 1.1 2000/11/14 11:25:35 tsubai Exp $ */
/*-
* Copyright (c) 2000 Tsubai Masanari. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/param.h>
#include <lib/libkern/libkern.h>
#include <lib/libsa/stand.h>
#include <openfirm.h>
#include <hfs.h>
static int OF_fd; /* XXX */
int
hfs_open(char *path, struct open_file *f)
{
int chosen;
char bootpath[128], *cp;
if ((chosen = OF_finddevice("/chosen")) == -1)
return ENXIO;
bzero(bootpath, sizeof bootpath);
OF_getprop(chosen, "bootpath", bootpath, sizeof bootpath);
#ifdef HAVE_STAND_STRRCHR
cp = strrchr(bootpath, ',');
#else
cp = bootpath;
cp += strlen(bootpath);
for (; *cp != ','; cp--) {
if (cp == bootpath) {
cp = NULL;
break;
}
}
#endif
if (cp == NULL)
return ENXIO;
strlcpy(cp + 1, path, bootpath + sizeof bootpath - (cp + 1));
OF_fd = OF_open(bootpath);
if (OF_fd == -1)
return ENOENT;
return 0;
}
int
hfs_close(struct open_file *f)
{
OF_close(OF_fd);
return 0;
}
int
hfs_read(struct open_file *f, void *start, size_t size, size_t *resid)
{
int len;
len = OF_read(OF_fd, start, size);
size -= len;
if (resid)
*resid = size;
return 0;
}
int
hfs_write(struct open_file *f, void *start, size_t size, size_t *resid)
{
printf("hfs_write\n");
return ENXIO;
}
off_t
hfs_seek(struct open_file *f, off_t offset, int where)
{
switch (where) {
case SEEK_SET:
return OF_seek(OF_fd, offset);
case SEEK_CUR:
case SEEK_END:
default:
return -1;
}
}
int
hfs_stat(struct open_file *f, struct stat *sb)
{
return 0;
}
|
