stand.h revision 1.55 1 /* $NetBSD: stand.h,v 1.55 2005/05/17 04:14:58 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. 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 "saioctl.h"
71 #include "saerrno.h"
72
73 #ifndef NULL
74 #define NULL 0
75 #endif
76
77 #ifdef LIBSA_RENAME_PRINTF
78 #define getchar libsa_getchar
79 #define gets libsa_gets
80 #define printf libsa_printf
81 #define putchar libsa_putchar
82 #define sprintf libsa_sprintf
83 #define vprintf libsa_vprintf
84 #define vsprintf libsa_vsprintf
85 #endif
86 #ifdef LIBSA_USE_MEMSET
87 #define bzero(s, l) memset(s, 0, l)
88 #endif
89 #ifdef LIBSA_USE_MEMCPY
90 #define bcopy(s, d, l) memcpy(d, s, l) /* For non-overlapping copies only */
91 #endif
92
93 struct open_file;
94
95 #define FS_DEF(fs) \
96 extern int __CONCAT(fs,_open)(const char *, struct open_file *); \
97 extern int __CONCAT(fs,_close)(struct open_file *); \
98 extern int __CONCAT(fs,_read)(struct open_file *, void *, \
99 size_t, size_t *); \
100 extern int __CONCAT(fs,_write)(struct open_file *, void *, \
101 size_t, size_t *); \
102 extern off_t __CONCAT(fs,_seek)(struct open_file *, off_t, int); \
103 extern int __CONCAT(fs,_stat)(struct open_file *, struct stat *)
104
105 /*
106 * This structure is used to define file system operations in a file system
107 * independent way.
108 */
109 #if !defined(LIBSA_SINGLE_FILESYSTEM)
110 struct fs_ops {
111 int (*open)(const char *, struct open_file *);
112 int (*close)(struct open_file *);
113 int (*read)(struct open_file *, void *, size_t, size_t *);
114 int (*write)(struct open_file *, void *, size_t size, size_t *);
115 off_t (*seek)(struct open_file *, off_t, int);
116 int (*stat)(struct open_file *, struct stat *);
117 };
118
119 extern struct fs_ops file_system[];
120 extern int nfsys;
121
122 #define FS_OPS(fs) { \
123 __CONCAT(fs,_open), \
124 __CONCAT(fs,_close), \
125 __CONCAT(fs,_read), \
126 __CONCAT(fs,_write), \
127 __CONCAT(fs,_seek), \
128 __CONCAT(fs,_stat) }
129
130 #define FS_OPEN(fs) ((fs)->open)
131 #define FS_CLOSE(fs) ((fs)->close)
132 #define FS_READ(fs) ((fs)->read)
133 #define FS_WRITE(fs) ((fs)->write)
134 #define FS_SEEK(fs) ((fs)->seek)
135 #define FS_STAT(fs) ((fs)->stat)
136
137 #else
138
139 #define FS_OPEN(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_open)
140 #define FS_CLOSE(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_close)
141 #define FS_READ(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_read)
142 #define FS_WRITE(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_write)
143 #define FS_SEEK(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_seek)
144 #define FS_STAT(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_stat)
145
146 FS_DEF(LIBSA_SINGLE_FILESYSTEM);
147
148 #endif
149
150 /* where values for lseek(2) */
151 #define SEEK_SET 0 /* set file offset to offset */
152 #define SEEK_CUR 1 /* set file offset to current plus offset */
153 #define SEEK_END 2 /* set file offset to EOF plus offset */
154
155 /* Device switch */
156 #if !defined(LIBSA_SINGLE_DEVICE)
157
158 struct devsw {
159 char *dv_name;
160 int (*dv_strategy)(void *, int, daddr_t, size_t, void *, size_t *);
161 int (*dv_open)(struct open_file *, ...);
162 int (*dv_close)(struct open_file *);
163 int (*dv_ioctl)(struct open_file *, u_long, void *);
164 };
165
166 extern struct devsw devsw[]; /* device array */
167 extern int ndevs; /* number of elements in devsw[] */
168
169 #define DEV_NAME(d) ((d)->dv_name)
170 #define DEV_STRATEGY(d) ((d)->dv_strategy)
171 #define DEV_OPEN(d) ((d)->dv_open)
172 #define DEV_CLOSE(d) ((d)->dv_close)
173 #define DEV_IOCTL(d) ((d)->dv_ioctl)
174
175 #else
176
177 #define DEV_NAME(d) ___STRING(LIBSA_SINGLE_DEVICE)
178 #define DEV_STRATEGY(d) ___CONCAT(LIBSA_SINGLE_DEVICE,strategy)
179 #define DEV_OPEN(d) ___CONCAT(LIBSA_SINGLE_DEVICE,open)
180 #define DEV_CLOSE(d) ___CONCAT(LIBSA_SINGLE_DEVICE,close)
181 #define DEV_IOCTL(d) ___CONCAT(LIBSA_SINGLE_DEVICE,ioctl)
182
183 /* These may be #defines which must not be expanded here, hence the extra () */
184 int (DEV_STRATEGY(unused))(void *, int, daddr_t, size_t, void *, size_t *);
185 int (DEV_OPEN(unused))(struct open_file *, ...);
186 int (DEV_CLOSE(unused))(struct open_file *);
187 int (DEV_IOCTL(unused))(struct open_file *, u_long, void *);
188
189 #endif
190
191 struct open_file {
192 int f_flags; /* see F_* below */
193 #if !defined(LIBSA_SINGLE_DEVICE)
194 const struct devsw *f_dev; /* pointer to device operations */
195 #endif
196 void *f_devdata; /* device specific data */
197 #if !defined(LIBSA_SINGLE_FILESYSTEM)
198 const struct fs_ops *f_ops; /* pointer to file system operations */
199 #endif
200 void *f_fsdata; /* file system specific data */
201 #if !defined(LIBSA_NO_RAW_ACCESS)
202 off_t f_offset; /* current file offset (F_RAW) */
203 #endif
204 };
205
206 #define SOPEN_MAX 4
207 extern struct open_file files[];
208
209 /* f_flags values */
210 #define F_READ 0x0001 /* file opened for reading */
211 #define F_WRITE 0x0002 /* file opened for writing */
212 #if !defined(LIBSA_NO_RAW_ACCESS)
213 #define F_RAW 0x0004 /* raw device open - no file system */
214 #endif
215 #define F_NODEV 0x0008 /* network open - no device */
216
217 int (devopen)(struct open_file *, const char *, char **);
218 #ifdef HEAP_VARIABLE
219 void setheap(void *, void *);
220 #endif
221 void *alloc(unsigned int);
222 void free(void *, unsigned int);
223 struct disklabel;
224 char *getdisklabel(const char *, struct disklabel *);
225 int dkcksum(const struct disklabel *);
226
227 void printf(const char *, ...);
228 int sprintf(char *, const char *, ...);
229 int snprintf(char *, size_t, const char *, ...);
230 void vprintf(const char *, _BSD_VA_LIST_);
231 int vsprintf(char *, const char *, _BSD_VA_LIST_);
232 int vsnprintf(char *, size_t, const char *, _BSD_VA_LIST_);
233 void twiddle(void);
234 void gets(char *);
235 int getfile(char *prompt, int mode);
236 char *strerror(int);
237 __dead void exit(int) __attribute__((noreturn));
238 __dead void panic(const char *, ...) __attribute__((noreturn));
239 __dead void _rtt(void) __attribute__((noreturn));
240 void (bcopy)(const void *, void *, size_t);
241 void *memcpy(void *, const void *, size_t);
242 void *memmove(void *, const void *, size_t);
243 int memcmp(const void *, const void *, size_t);
244 void *memset(void *, int, 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 typedef int cmp_t __P((const void *, const void *));
257 void qsort(void *, size_t, size_t, cmp_t * cmp);
258
259 extern int opterr, optind, optopt, optreset;
260 extern char *optarg;
261 int getopt(int, char * const *, const char *);
262
263 char *getpass(const char *);
264 int checkpasswd(void);
265 int check_password(const char *);
266
267 int nodev(void);
268 int noioctl(struct open_file *, u_long, void *);
269 void nullsys(void);
270
271 FS_DEF(null);
272
273 /* Machine dependent functions */
274 void machdep_start(char *, int, char *, char *, char *);
275 int getchar(void);
276 void putchar(int);
277
278 #ifdef __INTERNAL_LIBSA_CREAD
279 int oopen(const char *, int);
280 int oclose(int);
281 ssize_t oread(int, void *, size_t);
282 off_t olseek(int, off_t, int);
283 #endif
284
285 extern const char hexdigits[];
286
287 #endif /* _LIBSA_STAND_H_ */
288