stand.h revision 1.32 1 /* $NetBSD: stand.h,v 1.32 1999/04/14 15:23:27 christos Exp $ */
2
3 /*
4 * Copyright (c) 1999 Christopher G. Demetriou. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by Christopher G. Demetriou
17 * for the NetBSD Project.
18 * 4. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 /*-
34 * Copyright (c) 1993
35 * The Regents of the University of California. All rights reserved.
36 *
37 * Redistribution and use in source and binary forms, with or without
38 * modification, are permitted provided that the following conditions
39 * are met:
40 * 1. Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * 2. Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in the
44 * documentation and/or other materials provided with the distribution.
45 * 3. All advertising materials mentioning features or use of this software
46 * must display the following acknowledgement:
47 * This product includes software developed by the University of
48 * California, Berkeley and its contributors.
49 * 4. Neither the name of the University nor the names of its contributors
50 * may be used to endorse or promote products derived from this software
51 * without specific prior written permission.
52 *
53 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
54 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
55 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
56 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
57 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
58 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
59 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
60 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
61 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
62 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
63 * SUCH DAMAGE.
64 *
65 * @(#)stand.h 8.1 (Berkeley) 6/11/93
66 */
67
68 #include <sys/types.h>
69 #include <sys/cdefs.h>
70 #include <sys/stat.h>
71 #include "saioctl.h"
72 #include "saerrno.h"
73
74 #ifndef NULL
75 #define NULL 0
76 #endif
77
78 #ifdef LIBSA_USE_MEMSET
79 #define bzero(s, l) memset(s, 0, l)
80 #endif
81 #ifdef LIBSA_USE_MEMCPY
82 #define bcopy(s, d, l) memcpy(d, s, l) /* For non-overlapping copies only */
83 #endif
84
85 struct open_file;
86
87 /*
88 * This structure is used to define file system operations in a file system
89 * independent way.
90 */
91 #if !defined(LIBSA_SINGLE_FILESYSTEM)
92 struct fs_ops {
93 int (*open) __P((char *path, struct open_file *f));
94 int (*close) __P((struct open_file *f));
95 int (*read) __P((struct open_file *f, void *buf,
96 size_t size, size_t *resid));
97 int (*write) __P((struct open_file *f, void *buf,
98 size_t size, size_t *resid));
99 off_t (*seek) __P((struct open_file *f, off_t offset, int where));
100 int (*stat) __P((struct open_file *f, struct stat *sb));
101 };
102
103 extern struct fs_ops file_system[];
104 extern int nfsys;
105
106 #define FS_OPEN(fs) ((fs)->open)
107 #define FS_CLOSE(fs) ((fs)->close)
108 #define FS_READ(fs) ((fs)->read)
109 #define FS_WRITE(fs) ((fs)->write)
110 #define FS_SEEK(fs) ((fs)->seek)
111 #define FS_STAT(fs) ((fs)->stat)
112
113 #else
114
115 #define FS_OPEN(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_open)
116 #define FS_CLOSE(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_close)
117 #define FS_READ(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_read)
118 #define FS_WRITE(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_write)
119 #define FS_SEEK(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_seek)
120 #define FS_STAT(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_stat)
121
122 int FS_OPEN(unused) __P((char *path, struct open_file *f));
123 int FS_CLOSE(unused) __P((struct open_file *f));
124 int FS_READ(unused) __P((struct open_file *f, void *buf,
125 size_t size, size_t *resid));
126 int FS_WRITE(unused) __P((struct open_file *f, void *buf,
127 size_t size, size_t *resid));
128 off_t FS_SEEK(unused) __P((struct open_file *f, off_t offset, int where));
129 int FS_STAT(unused) __P((struct open_file *f, struct stat *sb));
130
131 #endif
132
133 /* where values for lseek(2) */
134 #define SEEK_SET 0 /* set file offset to offset */
135 #define SEEK_CUR 1 /* set file offset to current plus offset */
136 #define SEEK_END 2 /* set file offset to EOF plus offset */
137
138 /* Device switch */
139 #if !defined(LIBSA_SINGLE_DEVICE)
140
141 struct devsw {
142 char *dv_name;
143 int (*dv_strategy) __P((void *devdata, int rw,
144 daddr_t blk, size_t size,
145 void *buf, size_t *rsize));
146 int (*dv_open) __P((struct open_file *f, ...));
147 int (*dv_close) __P((struct open_file *f));
148 int (*dv_ioctl) __P((struct open_file *f, u_long cmd, void *data));
149 };
150
151 extern struct devsw devsw[]; /* device array */
152 extern int ndevs; /* number of elements in devsw[] */
153
154 #define DEV_NAME(d) ((d)->dv_name)
155 #define DEV_STRATEGY(d) ((d)->dv_strategy)
156 #define DEV_OPEN(d) ((d)->dv_open)
157 #define DEV_CLOSE(d) ((d)->dv_close)
158 #define DEV_IOCTL(d) ((d)->dv_ioctl)
159
160 #else
161
162 #define DEV_NAME(d) ___STRING(LIBSA_SINGLE_DEVICE)
163 #define DEV_STRATEGY(d) ___CONCAT(LIBSA_SINGLE_DEVICE,strategy)
164 #define DEV_OPEN(d) ___CONCAT(LIBSA_SINGLE_DEVICE,open)
165 #define DEV_CLOSE(d) ___CONCAT(LIBSA_SINGLE_DEVICE,close)
166 #define DEV_IOCTL(d) ___CONCAT(LIBSA_SINGLE_DEVICE,ioctl)
167
168 int DEV_STRATEGY(unused) __P((void *devdata, int rw, daddr_t blk,
169 size_t size, void *buf, size_t *rsize));
170 int DEV_OPEN(unused) __P((struct open_file *f, ...));
171 int DEV_CLOSE(unused) __P((struct open_file *f));
172 int DEV_IOCTL(unused) __P((struct open_file *f, u_long cmd, void *data));
173
174 #endif
175
176 struct open_file {
177 int f_flags; /* see F_* below */
178 #if !defined(LIBSA_SINGLE_DEVICE)
179 struct devsw *f_dev; /* pointer to device operations */
180 #endif
181 void *f_devdata; /* device specific data */
182 #if !defined(LIBSA_SINGLE_FILESYSTEM)
183 struct fs_ops *f_ops; /* pointer to file system operations */
184 #endif
185 void *f_fsdata; /* file system specific data */
186 #if !defined(LIBSA_NO_RAW_ACCESS)
187 off_t f_offset; /* current file offset (F_RAW) */
188 #endif
189 };
190
191 #define SOPEN_MAX 4
192 extern struct open_file files[];
193
194 /* f_flags values */
195 #define F_READ 0x0001 /* file opened for reading */
196 #define F_WRITE 0x0002 /* file opened for writing */
197 #if !defined(LIBSA_NO_RAW_ACCESS)
198 #define F_RAW 0x0004 /* raw device open - no file system */
199 #endif
200 #define F_NODEV 0x0008 /* network open - no device */
201
202 #define isupper(c) ((c) >= 'A' && (c) <= 'Z')
203 #define tolower(c) ((c) - 'A' + 'a')
204 #define isspace(c) ((c) == ' ' || (c) == '\t')
205 #define isdigit(c) ((c) >= '0' && (c) <= '9')
206
207 int devopen __P((struct open_file *, const char *, char **));
208 #ifdef HEAP_VARIABLE
209 void setheap __P((void *, void *));
210 #endif
211 void *alloc __P((unsigned int));
212 void free __P((void *, unsigned int));
213 struct disklabel;
214 char *getdisklabel __P((const char *, struct disklabel *));
215 int dkcksum __P((struct disklabel *));
216
217 void printf __P((const char *, ...));
218 int sprintf __P((char *, const char *, ...));
219 int snprintf __P((char *, size_t, const char *, ...));
220 void vprintf __P((const char *, _BSD_VA_LIST_));
221 int vsprintf __P((char *, const char *, _BSD_VA_LIST_));
222 int vsnprintf __P((char *, size_t, const char *, _BSD_VA_LIST_));
223 void twiddle __P((void));
224 void gets __P((char *));
225 int getfile __P((char *prompt, int mode));
226 char *strerror __P((int));
227 __dead void panic __P((const char *, ...)) __attribute__((noreturn));
228 __dead void _rtt __P((void)) __attribute__((noreturn));
229 void bcopy __P((const void *, void *, size_t));
230 void *memcpy __P((void *, const void *, size_t));
231 int memcmp __P((const void *, const void *, size_t));
232 void exec __P((char *, char *, int));
233 int open __P((const char *, int));
234 int close __P((int));
235 void closeall __P((void));
236 ssize_t read __P((int, void *, size_t));
237 ssize_t write __P((int, void *, size_t));
238 off_t lseek __P((int, off_t, int));
239 int ioctl __P((int, u_long, char *));
240
241 extern int opterr, optind, optopt, optreset;
242 extern char *optarg;
243 int getopt __P((int, char * const *, const char *));
244
245 int nodev __P((void));
246 int noioctl __P((struct open_file *, u_long, void *));
247 void nullsys __P((void));
248
249 int null_open __P((char *path, struct open_file *f));
250 int null_close __P((struct open_file *f));
251 ssize_t null_read __P((struct open_file *f, void *buf,
252 size_t size, size_t *resid));
253 ssize_t null_write __P((struct open_file *f, void *buf,
254 size_t size, size_t *resid));
255 off_t null_seek __P((struct open_file *f, off_t offset, int where));
256 int null_stat __P((struct open_file *f, struct stat *sb));
257
258 /* Machine dependent functions */
259 void machdep_start __P((char *, int, char *, char *, char *));
260 int getchar __P((void));
261 void putchar __P((int));
262
263 #ifdef __INTERNAL_LIBSA_CREAD
264 int oopen __P((const char *, int));
265 int oclose __P((int));
266 ssize_t oread __P((int, void *, size_t));
267 off_t olseek __P((int, off_t, int));
268 #endif
269