Annotation of src/sys/lib/libsa/stand.h, Revision 1.14
1.14 ! pk 1: /* $NetBSD: stand.h,v 1.13 1996/01/13 22:25:42 leo Exp $ */
1.5 cgd 2:
1.1 brezak 3: /*-
4: * Copyright (c) 1993
5: * The Regents of the University of California. 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. All advertising materials mentioning features or use of this software
16: * must display the following acknowledgement:
17: * This product includes software developed by the University of
18: * California, Berkeley and its contributors.
19: * 4. Neither the name of the University nor the names of its contributors
20: * may be used to endorse or promote products derived from this software
21: * without specific prior written permission.
22: *
23: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33: * SUCH DAMAGE.
34: *
1.5 cgd 35: * @(#)stand.h 8.1 (Berkeley) 6/11/93
1.1 brezak 36: */
37:
38: #include <sys/types.h>
39: #include <sys/cdefs.h>
40: #include <sys/stat.h>
41: #include "saioctl.h"
42: #include "saerrno.h"
43:
44: #ifndef NULL
45: #define NULL 0
46: #endif
47:
48: struct open_file;
49:
50: /*
51: * This structure is used to define file system operations in a file system
52: * independent way.
53: */
54: struct fs_ops {
55: int (*open) __P((char *path, struct open_file *f));
56: int (*close) __P((struct open_file *f));
1.11 pk 57: int (*read) __P((struct open_file *f, void *buf,
1.10 pk 58: size_t size, size_t *resid));
1.11 pk 59: int (*write) __P((struct open_file *f, void *buf,
1.10 pk 60: size_t size, size_t *resid));
1.1 brezak 61: off_t (*seek) __P((struct open_file *f, off_t offset, int where));
62: int (*stat) __P((struct open_file *f, struct stat *sb));
63: };
64:
65: extern struct fs_ops file_system[];
1.13 leo 66: extern int nfsys;
1.1 brezak 67:
68: /* where values for lseek(2) */
69: #define SEEK_SET 0 /* set file offset to offset */
70: #define SEEK_CUR 1 /* set file offset to current plus offset */
71: #define SEEK_END 2 /* set file offset to EOF plus offset */
72:
73: /* Device switch */
74: struct devsw {
75: char *dv_name;
76: int (*dv_strategy) __P((void *devdata, int rw,
1.10 pk 77: daddr_t blk, size_t size,
78: void *buf, size_t *rsize));
1.1 brezak 79: int (*dv_open) __P((struct open_file *f, ...));
80: int (*dv_close) __P((struct open_file *f));
1.6 cgd 81: int (*dv_ioctl) __P((struct open_file *f, u_long cmd, void *data));
1.1 brezak 82: };
83:
84: extern struct devsw devsw[]; /* device array */
85: extern int ndevs; /* number of elements in devsw[] */
86:
87: struct open_file {
88: int f_flags; /* see F_* below */
89: struct devsw *f_dev; /* pointer to device operations */
90: void *f_devdata; /* device specific data */
91: struct fs_ops *f_ops; /* pointer to file system operations */
92: void *f_fsdata; /* file system specific data */
1.14 ! pk 93: off_t f_offset; /* current file offset (F_RAW) */
1.1 brezak 94: };
95:
96: #define SOPEN_MAX 4
1.8 cgd 97: extern struct open_file files[];
1.1 brezak 98:
99: /* f_flags values */
100: #define F_READ 0x0001 /* file opened for reading */
101: #define F_WRITE 0x0002 /* file opened for writing */
102: #define F_RAW 0x0004 /* raw device open - no file system */
1.2 brezak 103: #define F_NODEV 0x0008 /* network open - no device */
1.1 brezak 104:
105: #define isupper(c) ((c) >= 'A' && (c) <= 'Z')
106: #define tolower(c) ((c) - 'A' + 'a')
107: #define isspace(c) ((c) == ' ' || (c) == '\t')
108: #define isdigit(c) ((c) >= '0' && (c) <= '9')
109:
1.10 pk 110: int devopen __P((struct open_file *, const char *, char **));
111: void *alloc __P((unsigned int));
112: void free __P((void *, unsigned int));
1.1 brezak 113: struct disklabel;
1.10 pk 114: char *getdisklabel __P((const char *, struct disklabel *));
1.13 leo 115: int dkcksum __P((struct disklabel *));
1.2 brezak 116:
1.4 brezak 117: void printf __P((const char *, ...));
1.10 pk 118: void sprintf __P((char *, const char *, ...));
1.11 pk 119: void twiddle __P((void));
1.4 brezak 120: void gets __P((char *));
1.12 pk 121: __dead void panic __P((const char *, ...)) __attribute__((noreturn));
1.13 leo 122: __dead void _rtt __P((void)) __attribute__((noreturn));
1.12 pk 123: void bcopy __P((const void *, void *, size_t));
1.13 leo 124: void *memcpy __P((void *, const void *, size_t));
1.7 mycroft 125: void exec __P((char *, char *, int));
1.10 pk 126: int open __P((const char *, int));
1.4 brezak 127: int close __P((int));
1.13 leo 128: void closeall __P((void));
1.10 pk 129: ssize_t read __P((int, void *, size_t));
130: ssize_t write __P((int, void *, size_t));
1.4 brezak 131:
1.10 pk 132: int nodev __P((void));
133: int noioctl __P((struct open_file *, u_long, void *));
134: void nullsys __P((void));
1.2 brezak 135:
136: int null_open __P((char *path, struct open_file *f));
137: int null_close __P((struct open_file *f));
1.10 pk 138: ssize_t null_read __P((struct open_file *f, void *buf,
139: size_t size, size_t *resid));
140: ssize_t null_write __P((struct open_file *f, void *buf,
141: size_t size, size_t *resid));
1.2 brezak 142: off_t null_seek __P((struct open_file *f, off_t offset, int where));
143: int null_stat __P((struct open_file *f, struct stat *sb));
144:
1.4 brezak 145: /* Machine dependent functions */
1.2 brezak 146: void machdep_start __P((char *, int, char *, char *, char *));
1.4 brezak 147: int getchar __P((void));
148: void putchar __P((int));
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