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
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
/* $NetBSD: stand.h,v 1.12 1995/09/18 21:19:47 pk Exp $ */
/*-
* Copyright (c) 1993
* The Regents of the University of California. 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*
* @(#)stand.h 8.1 (Berkeley) 6/11/93
*/
#include <sys/types.h>
#include <sys/cdefs.h>
#include <sys/stat.h>
#include "saioctl.h"
#include "saerrno.h"
#ifndef NULL
#define NULL 0
#endif
struct open_file;
/*
* This structure is used to define file system operations in a file system
* independent way.
*/
struct fs_ops {
int (*open) __P((char *path, struct open_file *f));
int (*close) __P((struct open_file *f));
int (*read) __P((struct open_file *f, void *buf,
size_t size, size_t *resid));
int (*write) __P((struct open_file *f, void *buf,
size_t size, size_t *resid));
off_t (*seek) __P((struct open_file *f, off_t offset, int where));
int (*stat) __P((struct open_file *f, struct stat *sb));
};
extern struct fs_ops file_system[];
/* where values for lseek(2) */
#define SEEK_SET 0 /* set file offset to offset */
#define SEEK_CUR 1 /* set file offset to current plus offset */
#define SEEK_END 2 /* set file offset to EOF plus offset */
/* Device switch */
struct devsw {
char *dv_name;
int (*dv_strategy) __P((void *devdata, int rw,
daddr_t blk, size_t size,
void *buf, size_t *rsize));
int (*dv_open) __P((struct open_file *f, ...));
int (*dv_close) __P((struct open_file *f));
int (*dv_ioctl) __P((struct open_file *f, u_long cmd, void *data));
};
extern struct devsw devsw[]; /* device array */
extern int ndevs; /* number of elements in devsw[] */
struct open_file {
int f_flags; /* see F_* below */
struct devsw *f_dev; /* pointer to device operations */
void *f_devdata; /* device specific data */
struct fs_ops *f_ops; /* pointer to file system operations */
void *f_fsdata; /* file system specific data */
};
#define SOPEN_MAX 4
extern struct open_file files[];
extern int nfsys;
/* f_flags values */
#define F_READ 0x0001 /* file opened for reading */
#define F_WRITE 0x0002 /* file opened for writing */
#define F_RAW 0x0004 /* raw device open - no file system */
#define F_NODEV 0x0008 /* network open - no device */
#define isupper(c) ((c) >= 'A' && (c) <= 'Z')
#define tolower(c) ((c) - 'A' + 'a')
#define isspace(c) ((c) == ' ' || (c) == '\t')
#define isdigit(c) ((c) >= '0' && (c) <= '9')
int devopen __P((struct open_file *, const char *, char **));
void *alloc __P((unsigned int));
void free __P((void *, unsigned int));
struct disklabel;
char *getdisklabel __P((const char *, struct disklabel *));
void printf __P((const char *, ...));
void sprintf __P((char *, const char *, ...));
void twiddle __P((void));
void gets __P((char *));
__dead void panic __P((const char *, ...)) __attribute__((noreturn));
__dead void _rtt __P((void)) __attribute__((noreturn));
void bcopy __P((const void *, void *, size_t));
int getchar __P((void));
void exec __P((char *, char *, int));
int open __P((const char *, int));
int close __P((int));
ssize_t read __P((int, void *, size_t));
ssize_t write __P((int, void *, size_t));
int nodev __P((void));
int noioctl __P((struct open_file *, u_long, void *));
void nullsys __P((void));
int null_open __P((char *path, struct open_file *f));
int null_close __P((struct open_file *f));
ssize_t null_read __P((struct open_file *f, void *buf,
size_t size, size_t *resid));
ssize_t null_write __P((struct open_file *f, void *buf,
size_t size, size_t *resid));
off_t null_seek __P((struct open_file *f, off_t offset, int where));
int null_stat __P((struct open_file *f, struct stat *sb));
/* Machine dependent functions */
void machdep_start __P((char *, int, char *, char *, char *));
int getchar __P((void));
void putchar __P((int));
|
