stand.h revision 1.47 1 /* $NetBSD: stand.h,v 1.47 2003/04/11 10:34:38 dsl 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_RENAME_PRINTF
79 #define getchar libsa_getchar
80 #define gets libsa_gets
81 #define printf libsa_printf
82 #define putchar libsa_putchar
83 #define sprintf libsa_sprintf
84 #define vprintf libsa_vprintf
85 #define vsprintf libsa_vsprintf
86 #endif
87 #ifdef LIBSA_USE_MEMSET
88 #define bzero(s, l) memset(s, 0, l)
89 #endif
90 #ifdef LIBSA_USE_MEMCPY
91 #define bcopy(s, d, l) memcpy(d, s, l) /* For non-overlapping copies only */
92 #endif
93
94 struct open_file;
95
96 #define FS_DEF(fs) \
97 extern int __CONCAT(fs,_open)(char *, struct open_file *); \
98 extern int __CONCAT(fs,_close)(struct open_file *); \
99 extern int __CONCAT(fs,_read)(struct open_file *, void *, \
100 size_t, size_t *); \
101 extern int __CONCAT(fs,_write)(struct open_file *, void *, \
102 size_t, size_t *); \
103 extern off_t __CONCAT(fs,_seek)(struct open_file *, off_t, int); \
104 extern int __CONCAT(fs,_stat)(struct open_file *, struct stat *)
105
106 /*
107 * This structure is used to define file system operations in a file system
108 * independent way.
109 */
110 #if !defined(LIBSA_SINGLE_FILESYSTEM)
111 struct fs_ops {
112 int (*open)(char *, struct open_file *);
113 int (*close)(struct open_file *);
114 int (*read)(struct open_file *, void *, size_t, size_t *);
115 int (*write)(struct open_file *, void *, size_t size, size_t *);
116 off_t (*seek)(struct open_file *, off_t, int);
117 int (*stat)(struct open_file *, struct stat *);
118 };
119
120 extern struct fs_ops file_system[];
121 extern int nfsys;
122
123 #define FS_OPS(fs) { \
124 __CONCAT(fs,_open), \
125 __CONCAT(fs,_close), \
126 __CONCAT(fs,_read), \
127 __CONCAT(fs,_write), \
128 __CONCAT(fs,_seek), \
129 __CONCAT(fs,_stat) }
130
131 #define FS_OPEN(fs) ((fs)->open)
132 #define FS_CLOSE(fs) ((fs)->close)
133 #define FS_READ(fs) ((fs)->read)
134 #define FS_WRITE(fs) ((fs)->write)
135 #define FS_SEEK(fs) ((fs)->seek)
136 #define FS_STAT(fs) ((fs)->stat)
137
138 #else
139
140 #define FS_OPEN(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_open)
141 #define FS_CLOSE(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_close)
142 #define FS_READ(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_read)
143 #define FS_WRITE(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_write)
144 #define FS_SEEK(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_seek)
145 #define FS_STAT(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_stat)
146
147 FS_DEF(LIBSA_SINGLE_FILESYSTEM);
148
149 #endif
150
151 /* where values for lseek(2) */
152 #define SEEK_SET 0 /* set file offset to offset */
153 #define SEEK_CUR 1 /* set file offset to current plus offset */
154 #define SEEK_END 2 /* set file offset to EOF plus offset */
155
156 /* Device switch */
157 #if !defined(LIBSA_SINGLE_DEVICE)
158
159 struct devsw {
160 char *dv_name;
161 int (*dv_strategy)(void *, int, daddr_t, size_t, void *, size_t *);
162 int (*dv_open)(struct open_file *, ...);
163 int (*dv_close)(struct open_file *);
164 int (*dv_ioctl)(struct open_file *, u_long, void *);
165 };
166
167 extern struct devsw devsw[]; /* device array */
168 extern int ndevs; /* number of elements in devsw[] */
169
170 #define DEV_NAME(d) ((d)->dv_name)
171 #define DEV_STRATEGY(d) ((d)->dv_strategy)
172 #define DEV_OPEN(d) ((d)->dv_open)
173 #define DEV_CLOSE(d) ((d)->dv_close)
174 #define DEV_IOCTL(d) ((d)->dv_ioctl)
175
176 #else
177
178 #define DEV_NAME(d) ___STRING(LIBSA_SINGLE_DEVICE)
179 #define DEV_STRATEGY(d) ___CONCAT(LIBSA_SINGLE_DEVICE,strategy)
180 #define DEV_OPEN(d) ___CONCAT(LIBSA_SINGLE_DEVICE,open)
181 #define DEV_CLOSE(d) ___CONCAT(LIBSA_SINGLE_DEVICE,close)
182 #define DEV_IOCTL(d) ___CONCAT(LIBSA_SINGLE_DEVICE,ioctl)
183
184 /* These may be #defines which must not be expanded here, hence the extra () */
185 int (DEV_STRATEGY(unused))(void *, int, daddr_t, size_t, void *, size_t *);
186 int (DEV_OPEN(unused))(struct open_file *, ...);
187 int (DEV_CLOSE(unused))(struct open_file *);
188 int (DEV_IOCTL(unused))(struct open_file *, u_long, void *);
189
190 #endif
191
192 struct open_file {
193 int f_flags; /* see F_* below */
194 #if !defined(LIBSA_SINGLE_DEVICE)
195 const struct devsw *f_dev; /* pointer to device operations */
196 #endif
197 void *f_devdata; /* device specific data */
198 #if !defined(LIBSA_SINGLE_FILESYSTEM)
199 const struct fs_ops *f_ops; /* pointer to file system operations */
200 #endif
201 void *f_fsdata; /* file system specific data */
202 #if !defined(LIBSA_NO_RAW_ACCESS)
203 off_t f_offset; /* current file offset (F_RAW) */
204 #endif
205 };
206
207 #define SOPEN_MAX 4
208 extern struct open_file files[];
209
210 /* f_flags values */
211 #define F_READ 0x0001 /* file opened for reading */
212 #define F_WRITE 0x0002 /* file opened for writing */
213 #if !defined(LIBSA_NO_RAW_ACCESS)
214 #define F_RAW 0x0004 /* raw device open - no file system */
215 #endif
216 #define F_NODEV 0x0008 /* network open - no device */
217
218 int (devopen)(struct open_file *, const char *, char **);
219 #ifdef HEAP_VARIABLE
220 void setheap(void *, void *);
221 #endif
222 void *alloc(unsigned int);
223 void free(void *, unsigned int);
224 struct disklabel;
225 char *getdisklabel(const char *, struct disklabel *);
226 int dkcksum(struct disklabel *);
227
228 void printf(const char *, ...);
229 int sprintf(char *, const char *, ...);
230 int snprintf(char *, size_t, const char *, ...);
231 void vprintf(const char *, _BSD_VA_LIST_);
232 int vsprintf(char *, const char *, _BSD_VA_LIST_);
233 int vsnprintf(char *, size_t, const char *, _BSD_VA_LIST_);
234 void twiddle(void);
235 void gets(char *);
236 int getfile(char *prompt, int mode);
237 char *strerror(int);
238 __dead void exit(int) __attribute__((noreturn));
239 __dead void panic(const char *, ...) __attribute__((noreturn));
240 __dead void _rtt(void) __attribute__((noreturn));
241 void (bcopy)(const void *, void *, size_t);
242 void *memcpy(void *, const void *, size_t);
243 void *memmove(void *, const void *, size_t);
244 int memcmp(const void *, const void *, size_t);
245 void exec(char *, char *, int);
246 int open(const char *, int);
247 int close(int);
248 void closeall(void);
249 ssize_t read(int, void *, size_t);
250 ssize_t write(int, void *, size_t);
251 off_t lseek(int, off_t, int);
252 int ioctl(int, u_long, char *);
253 int stat(const char *, struct stat *);
254 int fstat(int, struct stat *);
255
256 extern int opterr, optind, optopt, optreset;
257 extern char *optarg;
258 int getopt(int, char * const *, const char *);
259
260 char *getpass(const char *);
261 int checkpasswd(void);
262
263 int nodev(void);
264 int noioctl(struct open_file *, u_long, void *);
265 void nullsys(void);
266
267 FS_DEF(null);
268
269 /* Machine dependent functions */
270 void machdep_start(char *, int, char *, char *, char *);
271 int getchar(void);
272 void putchar(int);
273
274 #ifdef __INTERNAL_LIBSA_CREAD
275 int oopen(const char *, int);
276 int oclose(int);
277 ssize_t oread(int, void *, size_t);
278 off_t olseek(int, off_t, int);
279 #endif
280