1 /* $NetBSD: stand.h,v 1.83 2021/05/17 08:50:36 mrg 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 kgets libsa_kgets 81 #define printf libsa_printf 82 #define putchar libsa_putchar 83 #define vprintf libsa_vprintf 84 #endif 85 86 struct open_file; 87 88 #define FS_DEF_BASE(fs) \ 89 extern __compactcall int __CONCAT(fs,_open)(const char *, struct open_file *); \ 90 extern __compactcall int __CONCAT(fs,_close)(struct open_file *); \ 91 extern __compactcall int __CONCAT(fs,_read)(struct open_file *, void *, \ 92 size_t, size_t *); \ 93 extern __compactcall int __CONCAT(fs,_write)(struct open_file *, void *, \ 94 size_t, size_t *); \ 95 extern __compactcall off_t __CONCAT(fs,_seek)(struct open_file *, off_t, int); \ 96 extern __compactcall int __CONCAT(fs,_stat)(struct open_file *, struct stat *) 97 98 #if defined(LIBSA_ENABLE_LS_OP) 99 #define FS_DEF(fs) \ 100 FS_DEF_BASE(fs);\ 101 extern __compactcall void __CONCAT(fs,_ls)(struct open_file *, const char *) 102 #else 103 #define FS_DEF(fs) FS_DEF_BASE(fs) 104 #endif 105 106 107 /* 108 * This structure is used to define file system operations in a file system 109 * independent way. 110 */ 111 extern const char *fsmod; 112 113 #if !defined(LIBSA_SINGLE_FILESYSTEM) 114 struct fs_ops { 115 __compactcall int (*open)(const char *, struct open_file *); 116 __compactcall int (*close)(struct open_file *); 117 __compactcall int (*read)(struct open_file *, void *, size_t, size_t *); 118 __compactcall int (*write)(struct open_file *, void *, size_t size, size_t *); 119 __compactcall off_t (*seek)(struct open_file *, off_t, int); 120 __compactcall int (*stat)(struct open_file *, struct stat *); 121 #if defined(LIBSA_ENABLE_LS_OP) 122 __compactcall void (*ls)(struct open_file *, const char *); 123 #endif 124 }; 125 126 extern struct fs_ops file_system[]; 127 extern int nfsys; 128 129 #if defined(LIBSA_ENABLE_LS_OP) 130 #define FS_OPS(fs) { \ 131 __CONCAT(fs,_open), \ 132 __CONCAT(fs,_close), \ 133 __CONCAT(fs,_read), \ 134 __CONCAT(fs,_write), \ 135 __CONCAT(fs,_seek), \ 136 __CONCAT(fs,_stat), \ 137 __CONCAT(fs,_ls) } 138 #else 139 #define FS_OPS(fs) { \ 140 __CONCAT(fs,_open), \ 141 __CONCAT(fs,_close), \ 142 __CONCAT(fs,_read), \ 143 __CONCAT(fs,_write), \ 144 __CONCAT(fs,_seek), \ 145 __CONCAT(fs,_stat) } 146 #endif 147 148 #define FS_OPEN(fs) ((fs)->open) 149 #define FS_CLOSE(fs) ((fs)->close) 150 #define FS_READ(fs) ((fs)->read) 151 #define FS_WRITE(fs) ((fs)->write) 152 #define FS_SEEK(fs) ((fs)->seek) 153 #define FS_STAT(fs) ((fs)->stat) 154 #if defined(LIBSA_ENABLE_LS_OP) 155 #define FS_LS(fs) ((fs)->ls) 156 #endif 157 158 #else 159 160 #define FS_OPEN(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_open) 161 #define FS_CLOSE(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_close) 162 #define FS_READ(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_read) 163 #define FS_WRITE(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_write) 164 #define FS_SEEK(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_seek) 165 #define FS_STAT(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_stat) 166 #if defined(LIBSA_ENABLE_LS_OP) 167 #define FS_LS(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_ls) 168 #endif 169 170 FS_DEF(LIBSA_SINGLE_FILESYSTEM); 171 172 #endif 173 174 /* where values for lseek(2) */ 175 #define SEEK_SET 0 /* set file offset to offset */ 176 #define SEEK_CUR 1 /* set file offset to current plus offset */ 177 #define SEEK_END 2 /* set file offset to EOF plus offset */ 178 179 /* Device switch */ 180 #if !defined(LIBSA_SINGLE_DEVICE) 181 182 struct devsw { 183 char *dv_name; 184 int (*dv_strategy)(void *, int, daddr_t, size_t, void *, size_t *); 185 int (*dv_open)(struct open_file *, ...); 186 int (*dv_close)(struct open_file *); 187 int (*dv_ioctl)(struct open_file *, u_long, void *); 188 }; 189 190 extern struct devsw devsw[]; /* device array */ 191 extern int ndevs; /* number of elements in devsw[] */ 192 193 #define DEV_NAME(d) ((d)->dv_name) 194 #define DEV_STRATEGY(d) ((d)->dv_strategy) 195 #define DEV_OPEN(d) ((d)->dv_open) 196 #define DEV_CLOSE(d) ((d)->dv_close) 197 #define DEV_IOCTL(d) ((d)->dv_ioctl) 198 199 #else 200 201 #define DEV_NAME(d) ___STRING(LIBSA_SINGLE_DEVICE) 202 #define DEV_STRATEGY(d) ___CONCAT(LIBSA_SINGLE_DEVICE,strategy) 203 #define DEV_OPEN(d) ___CONCAT(LIBSA_SINGLE_DEVICE,open) 204 #define DEV_CLOSE(d) ___CONCAT(LIBSA_SINGLE_DEVICE,close) 205 #define DEV_IOCTL(d) ___CONCAT(LIBSA_SINGLE_DEVICE,ioctl) 206 207 /* These may be #defines which must not be expanded here, hence the extra () */ 208 int (DEV_STRATEGY(unused))(void *, int, daddr_t, size_t, void *, size_t *); 209 int (DEV_OPEN(unused))(struct open_file *, ...); 210 int (DEV_CLOSE(unused))(struct open_file *); 211 int (DEV_IOCTL(unused))(struct open_file *, u_long, void *); 212 213 #endif 214 215 struct open_file { 216 int f_flags; /* see F_* below */ 217 #if !defined(LIBSA_SINGLE_DEVICE) 218 const struct devsw *f_dev; /* pointer to device operations */ 219 #endif 220 void *f_devdata; /* device specific data */ 221 #if !defined(LIBSA_SINGLE_FILESYSTEM) 222 const struct fs_ops *f_ops; /* pointer to file system operations */ 223 #endif 224 void *f_fsdata; /* file system specific data */ 225 #if !defined(LIBSA_NO_RAW_ACCESS) 226 off_t f_offset; /* current file offset (F_RAW) */ 227 #endif 228 }; 229 230 #define SOPEN_MAX 4 231 extern struct open_file files[]; 232 233 /* f_flags values */ 234 #define F_READ 0x0001 /* file opened for reading */ 235 #define F_WRITE 0x0002 /* file opened for writing */ 236 #if !defined(LIBSA_NO_RAW_ACCESS) 237 #define F_RAW 0x0004 /* raw device open - no file system */ 238 #endif 239 #define F_NODEV 0x0008 /* network open - no device */ 240 241 int (devopen)(struct open_file *, const char *, char **); 242 #ifdef HEAP_VARIABLE 243 void setheap(void *, void *); 244 #endif 245 void *alloc(size_t) __compactcall; 246 void dealloc(void *, size_t) __compactcall; 247 struct disklabel; 248 char *getdisklabel(const char *, struct disklabel *); 249 250 void printf(const char *, ...) 251 __attribute__((__format__(__printf__, 1, 2))); 252 int snprintf(char *, size_t, const char *, ...) 253 __attribute__((__format__(__printf__, 3, 4))); 254 void vprintf(const char *, va_list) 255 __attribute__((__format__(__printf__, 1, 0))); 256 int vsnprintf(char *, size_t, const char *, va_list) 257 __attribute__((__format__(__printf__, 3, 0))); 258 void twiddle(void); 259 void kgets(char *, size_t); 260 int getfile(char *prompt, int mode); 261 char *strerror(int); 262 __dead void exit(int); 263 __dead void panic(const char *, ...) 264 __attribute__((__format__(__printf__, 1, 2))); 265 __dead void _rtt(void); 266 void *memcpy(void *, const void *, size_t); 267 void *memmove(void *, const void *, size_t); 268 int memcmp(const void *, const void *, size_t); 269 void *memset(void *, int, size_t); 270 void exec(char *, char *, int); 271 int open(const char *, int); 272 int close(int); 273 void closeall(void); 274 ssize_t read(int, void *, size_t); 275 ssize_t write(int, const void *, size_t); 276 off_t lseek(int, off_t, int); 277 int ioctl(int, u_long, char *); 278 int stat(const char *, struct stat *); 279 int fstat(int, struct stat *); 280 #if defined(LIBSA_ENABLE_LS_OP) 281 void ls(const char *); 282 #endif 283 284 typedef int cmp_t(const void *, const void *); 285 void qsort(void *, size_t, size_t, cmp_t *); 286 287 extern int opterr, optind, optopt, optreset; 288 extern char *optarg; 289 int getopt(int, char * const *, const char *); 290 291 char *getpass(const char *); 292 int checkpasswd(void); 293 int check_password(const char *); 294 295 int nodev(void); 296 int noioctl(struct open_file *, u_long, void *); 297 void nullsys(void); 298 299 FS_DEF(null); 300 301 /* Machine dependent functions */ 302 void machdep_start(char *, int, char *, char *, char *); 303 int getchar(void); 304 void putchar(int); 305 306 #ifdef __INTERNAL_LIBSA_CREAD 307 int oopen(const char *, int); 308 int oclose(int); 309 ssize_t oread(int, void *, size_t); 310 off_t olseek(int, off_t, int); 311 #endif 312 313 extern const char hexdigits[]; 314 315 int fnmatch(const char *, const char *); 316 317 /* XXX: These should be removed eventually. */ 318 void bcopy(const void *, void *, size_t); 319 void bzero(void *, size_t); 320 321 int atoi(const char *); 322 323 #endif /* _LIBSA_STAND_H_ */ 324