stand.h revision 1.73 1 /* $NetBSD: stand.h,v 1.73 2011/07/17 20:54:52 joerg 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. Neither the name of the University nor the names of its contributors
46 * may be used to endorse or promote products derived from this software
47 * without specific prior written permission.
48 *
49 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
50 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
51 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
52 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
53 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
54 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
55 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
56 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
57 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
58 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
59 * SUCH DAMAGE.
60 *
61 * @(#)stand.h 8.1 (Berkeley) 6/11/93
62 */
63
64 #ifndef _LIBSA_STAND_H_
65 #define _LIBSA_STAND_H_
66
67 #include <sys/types.h>
68 #include <sys/cdefs.h>
69 #include <sys/stat.h>
70 #include <sys/stdarg.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
88 struct open_file;
89
90 #define FS_DEF(fs) \
91 extern __compactcall int __CONCAT(fs,_open)(const char *, struct open_file *); \
92 extern __compactcall int __CONCAT(fs,_close)(struct open_file *); \
93 extern __compactcall int __CONCAT(fs,_read)(struct open_file *, void *, \
94 size_t, size_t *); \
95 extern __compactcall int __CONCAT(fs,_write)(struct open_file *, void *, \
96 size_t, size_t *); \
97 extern __compactcall off_t __CONCAT(fs,_seek)(struct open_file *, off_t, int); \
98 extern __compactcall int __CONCAT(fs,_stat)(struct open_file *, struct stat *)
99
100 /*
101 * This structure is used to define file system operations in a file system
102 * independent way.
103 */
104 extern char *fsmod;
105 extern char *fsmod2;
106
107 #if !defined(LIBSA_SINGLE_FILESYSTEM)
108 struct fs_ops {
109 __compactcall int (*open)(const char *, struct open_file *);
110 __compactcall int (*close)(struct open_file *);
111 __compactcall int (*read)(struct open_file *, void *, size_t, size_t *);
112 __compactcall int (*write)(struct open_file *, void *, size_t size, size_t *);
113 __compactcall off_t (*seek)(struct open_file *, off_t, int);
114 __compactcall int (*stat)(struct open_file *, struct stat *);
115 };
116
117 extern struct fs_ops file_system[];
118 extern int nfsys;
119
120 #define FS_OPS(fs) { \
121 __CONCAT(fs,_open), \
122 __CONCAT(fs,_close), \
123 __CONCAT(fs,_read), \
124 __CONCAT(fs,_write), \
125 __CONCAT(fs,_seek), \
126 __CONCAT(fs,_stat) }
127
128 #define FS_OPEN(fs) ((fs)->open)
129 #define FS_CLOSE(fs) ((fs)->close)
130 #define FS_READ(fs) ((fs)->read)
131 #define FS_WRITE(fs) ((fs)->write)
132 #define FS_SEEK(fs) ((fs)->seek)
133 #define FS_STAT(fs) ((fs)->stat)
134
135 #else
136
137 #define FS_OPEN(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_open)
138 #define FS_CLOSE(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_close)
139 #define FS_READ(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_read)
140 #define FS_WRITE(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_write)
141 #define FS_SEEK(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_seek)
142 #define FS_STAT(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_stat)
143
144 FS_DEF(LIBSA_SINGLE_FILESYSTEM);
145
146 #endif
147
148 /* where values for lseek(2) */
149 #define SEEK_SET 0 /* set file offset to offset */
150 #define SEEK_CUR 1 /* set file offset to current plus offset */
151 #define SEEK_END 2 /* set file offset to EOF plus offset */
152
153 /* Device switch */
154 #if !defined(LIBSA_SINGLE_DEVICE)
155
156 struct devsw {
157 char *dv_name;
158 int (*dv_strategy)(void *, int, daddr_t, size_t, void *, size_t *);
159 int (*dv_open)(struct open_file *, ...);
160 int (*dv_close)(struct open_file *);
161 int (*dv_ioctl)(struct open_file *, u_long, void *);
162 };
163
164 extern struct devsw devsw[]; /* device array */
165 extern int ndevs; /* number of elements in devsw[] */
166
167 #define DEV_NAME(d) ((d)->dv_name)
168 #define DEV_STRATEGY(d) ((d)->dv_strategy)
169 #define DEV_OPEN(d) ((d)->dv_open)
170 #define DEV_CLOSE(d) ((d)->dv_close)
171 #define DEV_IOCTL(d) ((d)->dv_ioctl)
172
173 #else
174
175 #define DEV_NAME(d) ___STRING(LIBSA_SINGLE_DEVICE)
176 #define DEV_STRATEGY(d) ___CONCAT(LIBSA_SINGLE_DEVICE,strategy)
177 #define DEV_OPEN(d) ___CONCAT(LIBSA_SINGLE_DEVICE,open)
178 #define DEV_CLOSE(d) ___CONCAT(LIBSA_SINGLE_DEVICE,close)
179 #define DEV_IOCTL(d) ___CONCAT(LIBSA_SINGLE_DEVICE,ioctl)
180
181 /* These may be #defines which must not be expanded here, hence the extra () */
182 int (DEV_STRATEGY(unused))(void *, int, daddr_t, size_t, void *, size_t *);
183 int (DEV_OPEN(unused))(struct open_file *, ...);
184 int (DEV_CLOSE(unused))(struct open_file *);
185 int (DEV_IOCTL(unused))(struct open_file *, u_long, void *);
186
187 #endif
188
189 struct open_file {
190 int f_flags; /* see F_* below */
191 #if !defined(LIBSA_SINGLE_DEVICE)
192 const struct devsw *f_dev; /* pointer to device operations */
193 #endif
194 void *f_devdata; /* device specific data */
195 #if !defined(LIBSA_SINGLE_FILESYSTEM)
196 const struct fs_ops *f_ops; /* pointer to file system operations */
197 #endif
198 void *f_fsdata; /* file system specific data */
199 #if !defined(LIBSA_NO_RAW_ACCESS)
200 off_t f_offset; /* current file offset (F_RAW) */
201 #endif
202 };
203
204 #define SOPEN_MAX 4
205 extern struct open_file files[];
206
207 /* f_flags values */
208 #define F_READ 0x0001 /* file opened for reading */
209 #define F_WRITE 0x0002 /* file opened for writing */
210 #if !defined(LIBSA_NO_RAW_ACCESS)
211 #define F_RAW 0x0004 /* raw device open - no file system */
212 #endif
213 #define F_NODEV 0x0008 /* network open - no device */
214
215 int (devopen)(struct open_file *, const char *, char **);
216 #ifdef HEAP_VARIABLE
217 void setheap(void *, void *);
218 #endif
219 void *alloc(size_t) __compactcall;
220 void dealloc(void *, size_t) __compactcall;
221 struct disklabel;
222 char *getdisklabel(const char *, struct disklabel *);
223 int dkcksum(const struct disklabel *);
224
225 void printf(const char *, ...)
226 __attribute__((__format__(__printf__, 1, 2)));
227 int sprintf(char *, const char *, ...)
228 __attribute__((__format__(__printf__, 2, 3)));
229 int snprintf(char *, size_t, const char *, ...)
230 __attribute__((__format__(__printf__, 3, 4)));
231 void vprintf(const char *, va_list)
232 __attribute__((__format__(__printf__, 1, 0)));
233 int vsprintf(char *, const char *, va_list)
234 __attribute__((__format__(__printf__, 2, 0)));
235 int vsnprintf(char *, size_t, const char *, va_list)
236 __attribute__((__format__(__printf__, 3, 0)));
237 void twiddle(void);
238 void gets(char *);
239 int getfile(char *prompt, int mode);
240 char *strerror(int);
241 __dead void exit(int);
242 __dead void panic(const char *, ...)
243 __attribute__((__format__(__printf__, 1, 2)));
244 __dead void _rtt(void);
245 void *memcpy(void *, const void *, size_t);
246 void *memmove(void *, const void *, size_t);
247 int memcmp(const void *, const void *, size_t);
248 void *memset(void *, int, size_t);
249 void exec(char *, char *, int);
250 int open(const char *, int);
251 int close(int);
252 void closeall(void);
253 ssize_t read(int, void *, size_t);
254 ssize_t write(int, const void *, size_t);
255 off_t lseek(int, off_t, int);
256 int ioctl(int, u_long, char *);
257 int stat(const char *, struct stat *);
258 int fstat(int, struct stat *);
259
260 typedef int cmp_t(const void *, const void *);
261 void qsort(void *, size_t, size_t, cmp_t *);
262
263 extern int opterr, optind, optopt, optreset;
264 extern char *optarg;
265 int getopt(int, char * const *, const char *);
266
267 char *getpass(const char *);
268 int checkpasswd(void);
269 int check_password(const char *);
270
271 int nodev(void);
272 int noioctl(struct open_file *, u_long, void *);
273 void nullsys(void);
274
275 FS_DEF(null);
276
277 /* Machine dependent functions */
278 void machdep_start(char *, int, char *, char *, char *);
279 int getchar(void);
280 void putchar(int);
281
282 #ifdef __INTERNAL_LIBSA_CREAD
283 int oopen(const char *, int);
284 int oclose(int);
285 ssize_t oread(int, void *, size_t);
286 off_t olseek(int, off_t, int);
287 #endif
288
289 extern const char hexdigits[];
290
291 /* XXX: These should be removed eventually. */
292 void bcopy(const void *, void *, size_t);
293 void bzero(void *, size_t);
294
295 #endif /* _LIBSA_STAND_H_ */
296