1 /* $NetBSD: stand.h,v 1.87 2022/04/30 09:24:05 rin 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/param.h> 68 #include <sys/types.h> 69 #include <sys/cdefs.h> 70 #include <sys/stat.h> 71 #include <sys/stdarg.h> 72 #include "saioctl.h" 73 #include "saerrno.h" 74 75 #ifdef LIBSA_RENAME_PRINTF 76 #define getchar libsa_getchar 77 #define kgets libsa_kgets 78 #define printf libsa_printf 79 #define putchar libsa_putchar 80 #define vprintf libsa_vprintf 81 #endif 82 83 struct open_file; 84 85 #define FS_DEF_BASE(fs) \ 86 extern __compactcall int __CONCAT(fs,_open)(const char *, struct open_file *); \ 87 extern __compactcall int __CONCAT(fs,_close)(struct open_file *); \ 88 extern __compactcall int __CONCAT(fs,_read)(struct open_file *, void *, \ 89 size_t, size_t *); \ 90 extern __compactcall int __CONCAT(fs,_write)(struct open_file *, void *, \ 91 size_t, size_t *); \ 92 extern __compactcall off_t __CONCAT(fs,_seek)(struct open_file *, off_t, int); \ 93 extern __compactcall int __CONCAT(fs,_stat)(struct open_file *, struct stat *) 94 95 #if defined(LIBSA_ENABLE_LS_OP) 96 #define FS_DEF(fs) \ 97 FS_DEF_BASE(fs);\ 98 extern __compactcall void __CONCAT(fs,_ls)(struct open_file *, const char *) 99 #else 100 #define FS_DEF(fs) FS_DEF_BASE(fs) 101 #endif 102 103 104 /* 105 * This structure is used to define file system operations in a file system 106 * independent way. 107 */ 108 extern const char *fsmod; 109 110 #if !defined(LIBSA_SINGLE_FILESYSTEM) 111 struct fs_ops { 112 __compactcall int (*open)(const char *, struct open_file *); 113 __compactcall int (*close)(struct open_file *); 114 __compactcall int (*read)(struct open_file *, void *, size_t, size_t *); 115 __compactcall int (*write)(struct open_file *, void *, size_t size, size_t *); 116 __compactcall off_t (*seek)(struct open_file *, off_t, int); 117 __compactcall int (*stat)(struct open_file *, struct stat *); 118 #if defined(LIBSA_ENABLE_LS_OP) 119 __compactcall void (*ls)(struct open_file *, const char *); 120 #endif 121 }; 122 123 extern struct fs_ops file_system[]; 124 extern int nfsys; 125 126 #if defined(LIBSA_ENABLE_LS_OP) 127 #define FS_OPS(fs) { \ 128 __CONCAT(fs,_open), \ 129 __CONCAT(fs,_close), \ 130 __CONCAT(fs,_read), \ 131 __CONCAT(fs,_write), \ 132 __CONCAT(fs,_seek), \ 133 __CONCAT(fs,_stat), \ 134 __CONCAT(fs,_ls) } 135 #else 136 #define FS_OPS(fs) { \ 137 __CONCAT(fs,_open), \ 138 __CONCAT(fs,_close), \ 139 __CONCAT(fs,_read), \ 140 __CONCAT(fs,_write), \ 141 __CONCAT(fs,_seek), \ 142 __CONCAT(fs,_stat) } 143 #endif 144 145 #define FS_OPEN(fs) ((fs)->open) 146 #define FS_CLOSE(fs) ((fs)->close) 147 #define FS_READ(fs) ((fs)->read) 148 #define FS_WRITE(fs) ((fs)->write) 149 #define FS_SEEK(fs) ((fs)->seek) 150 #define FS_STAT(fs) ((fs)->stat) 151 #if defined(LIBSA_ENABLE_LS_OP) 152 #define FS_LS(fs) ((fs)->ls) 153 #endif 154 155 #else 156 157 #define FS_OPEN(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_open) 158 #define FS_CLOSE(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_close) 159 #define FS_READ(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_read) 160 #define FS_WRITE(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_write) 161 #define FS_SEEK(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_seek) 162 #define FS_STAT(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_stat) 163 #if defined(LIBSA_ENABLE_LS_OP) 164 #define FS_LS(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_ls) 165 #endif 166 167 FS_DEF(LIBSA_SINGLE_FILESYSTEM); 168 169 #endif 170 171 /* where values for lseek(2) */ 172 #define SEEK_SET 0 /* set file offset to offset */ 173 #define SEEK_CUR 1 /* set file offset to current plus offset */ 174 #define SEEK_END 2 /* set file offset to EOF plus offset */ 175 176 /* Device switch */ 177 #if !defined(LIBSA_SINGLE_DEVICE) 178 179 struct devsw { 180 char *dv_name; 181 int (*dv_strategy)(void *, int, daddr_t, size_t, void *, size_t *); 182 int (*dv_open)(struct open_file *, ...); 183 int (*dv_close)(struct open_file *); 184 int (*dv_ioctl)(struct open_file *, u_long, void *); 185 }; 186 187 extern struct devsw devsw[]; /* device array */ 188 extern int ndevs; /* number of elements in devsw[] */ 189 190 #define DEV_NAME(d) ((d)->dv_name) 191 #define DEV_STRATEGY(d) ((d)->dv_strategy) 192 #define DEV_OPEN(d) ((d)->dv_open) 193 #define DEV_CLOSE(d) ((d)->dv_close) 194 #define DEV_IOCTL(d) ((d)->dv_ioctl) 195 196 #else 197 198 #define DEV_NAME(d) ___STRING(LIBSA_SINGLE_DEVICE) 199 #define DEV_STRATEGY(d) ___CONCAT(LIBSA_SINGLE_DEVICE,strategy) 200 #define DEV_OPEN(d) ___CONCAT(LIBSA_SINGLE_DEVICE,open) 201 #define DEV_CLOSE(d) ___CONCAT(LIBSA_SINGLE_DEVICE,close) 202 #define DEV_IOCTL(d) ___CONCAT(LIBSA_SINGLE_DEVICE,ioctl) 203 204 /* These may be #defines which must not be expanded here, hence the extra () */ 205 int (DEV_STRATEGY(unused))(void *, int, daddr_t, size_t, void *, size_t *); 206 int (DEV_OPEN(unused))(struct open_file *, ...); 207 int (DEV_CLOSE(unused))(struct open_file *); 208 int (DEV_IOCTL(unused))(struct open_file *, u_long, void *); 209 210 #endif 211 212 struct open_file { 213 int f_flags; /* see F_* below */ 214 #if !defined(LIBSA_SINGLE_DEVICE) 215 const struct devsw *f_dev; /* pointer to device operations */ 216 #endif 217 void *f_devdata; /* device specific data */ 218 #if !defined(LIBSA_SINGLE_FILESYSTEM) 219 const struct fs_ops *f_ops; /* pointer to file system operations */ 220 #endif 221 void *f_fsdata; /* file system specific data */ 222 #if !defined(LIBSA_NO_RAW_ACCESS) 223 off_t f_offset; /* current file offset (F_RAW) */ 224 #endif 225 }; 226 227 #define SOPEN_MAX 4 228 extern struct open_file files[]; 229 230 /* f_flags values */ 231 #define F_READ 0x0001 /* file opened for reading */ 232 #define F_WRITE 0x0002 /* file opened for writing */ 233 #if !defined(LIBSA_NO_RAW_ACCESS) 234 #define F_RAW 0x0004 /* raw device open - no file system */ 235 #endif 236 #define F_NODEV 0x0008 /* network open - no device */ 237 238 int (devopen)(struct open_file *, const char *, char **); 239 #ifdef HEAP_VARIABLE 240 void setheap(void *, void *); 241 #endif 242 void *alloc(size_t) __compactcall; 243 void dealloc(void *, size_t) __compactcall; 244 struct disklabel; 245 char *getdisklabel(const char *, struct disklabel *); 246 247 void printf(const char *, ...) 248 __attribute__((__format__(__printf__, 1, 2))); 249 int snprintf(char *, size_t, const char *, ...) 250 __attribute__((__format__(__printf__, 3, 4))); 251 void vprintf(const char *, va_list) 252 __attribute__((__format__(__printf__, 1, 0))); 253 int vsnprintf(char *, size_t, const char *, va_list) 254 __attribute__((__format__(__printf__, 3, 0))); 255 void twiddle(void); 256 void kgets(char *, size_t); 257 int getfile(char *prompt, int mode); 258 char *strerror(int); 259 __dead void exit(int); 260 __dead void panic(const char *, ...) 261 __attribute__((__format__(__printf__, 1, 2))); 262 __dead void _rtt(void); 263 void *memcpy(void *, const void *, size_t); 264 void *memmove(void *, const void *, size_t); 265 int memcmp(const void *, const void *, size_t); 266 void *memset(void *, int, size_t); 267 void exec(char *, char *, int); 268 int open(const char *, int); 269 int close(int); 270 void closeall(void); 271 ssize_t read(int, void *, size_t); 272 ssize_t write(int, const void *, size_t); 273 off_t lseek(int, off_t, int); 274 int ioctl(int, u_long, char *); 275 int stat(const char *, struct stat *); 276 int fstat(int, struct stat *); 277 #if defined(LIBSA_ENABLE_LS_OP) 278 void ls(const char *); 279 #endif 280 281 typedef int cmp_t(const void *, const void *); 282 void qsort(void *, size_t, size_t, cmp_t *); 283 284 extern int opterr, optind, optopt, optreset; 285 extern char *optarg; 286 int getopt(int, char * const *, const char *); 287 288 char *getpass(const char *); 289 int checkpasswd(void); 290 int check_password(const char *); 291 292 int nodev(void); 293 int noioctl(struct open_file *, u_long, void *); 294 void nullsys(void); 295 296 FS_DEF(null); 297 298 /* Machine dependent functions */ 299 void machdep_start(char *, int, char *, char *, char *); 300 int getchar(void); 301 void putchar(int); 302 303 #ifdef __INTERNAL_LIBSA_CREAD 304 int oopen(const char *, int); 305 int oclose(int); 306 ssize_t oread(int, void *, size_t); 307 off_t olseek(int, off_t, int); 308 #endif 309 310 extern const char hexdigits[]; 311 312 int fnmatch(const char *, const char *); 313 314 /* XXX: These should be removed eventually. */ 315 void bcopy(const void *, void *, size_t); 316 void bzero(void *, size_t); 317 318 int atoi(const char *); 319 320 #if !defined(SA_HARDCODED_SECSIZE) 321 #define GETSECSIZE(f) getsecsize(f) 322 static inline u_int 323 getsecsize(struct open_file *f) 324 { 325 int rc; 326 u_int secsize = 0; 327 328 rc = DEV_IOCTL(f->f_dev)(f, SAIOSECSIZE, &secsize); 329 if (rc != 0 || secsize == 0) 330 secsize = DEV_BSIZE; 331 332 return secsize; 333 } 334 #else 335 /* 336 * For some archs, divdi3 and friends are required to support variable 337 * sector sizes. Shave them off by making secsize compile-time constant. 338 */ 339 #define GETSECSIZE(f) DEV_BSIZE 340 #endif 341 342 #endif /* _LIBSA_STAND_H_ */ 343
Indexes created Tue Sep 23 02:09:52 GMT 2025