1 /* $NetBSD: stand.h,v 1.76 2012/05/21 21:34:16 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. 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_BASE(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 #if defined(LIBSA_ENABLE_LS_OP) 101 #define FS_DEF(fs) \ 102 FS_DEF_BASE(fs);\ 103 extern __compactcall void __CONCAT(fs,_ls)(struct open_file *, const char *) 104 #else 105 #define FS_DEF(fs) FS_DEF_BASE(fs) 106 #endif 107 108 109 /* 110 * This structure is used to define file system operations in a file system 111 * independent way. 112 */ 113 extern char *fsmod; 114 115 #if !defined(LIBSA_SINGLE_FILESYSTEM) 116 struct fs_ops { 117 __compactcall int (*open)(const char *, struct open_file *); 118 __compactcall int (*close)(struct open_file *); 119 __compactcall int (*read)(struct open_file *, void *, size_t, size_t *); 120 __compactcall int (*write)(struct open_file *, void *, size_t size, size_t *); 121 __compactcall off_t (*seek)(struct open_file *, off_t, int); 122 __compactcall int (*stat)(struct open_file *, struct stat *); 123 #if defined(LIBSA_ENABLE_LS_OP) 124 __compactcall void (*ls)(struct open_file *, const char *); 125 #endif 126 }; 127 128 extern struct fs_ops file_system[]; 129 extern int nfsys; 130 131 #if defined(LIBSA_ENABLE_LS_OP) 132 #define FS_OPS(fs) { \ 133 __CONCAT(fs,_open), \ 134 __CONCAT(fs,_close), \ 135 __CONCAT(fs,_read), \ 136 __CONCAT(fs,_write), \ 137 __CONCAT(fs,_seek), \ 138 __CONCAT(fs,_stat), \ 139 __CONCAT(fs,_ls) } 140 #else 141 #define FS_OPS(fs) { \ 142 __CONCAT(fs,_open), \ 143 __CONCAT(fs,_close), \ 144 __CONCAT(fs,_read), \ 145 __CONCAT(fs,_write), \ 146 __CONCAT(fs,_seek), \ 147 __CONCAT(fs,_stat) } 148 #endif 149 150 #define FS_OPEN(fs) ((fs)->open) 151 #define FS_CLOSE(fs) ((fs)->close) 152 #define FS_READ(fs) ((fs)->read) 153 #define FS_WRITE(fs) ((fs)->write) 154 #define FS_SEEK(fs) ((fs)->seek) 155 #define FS_STAT(fs) ((fs)->stat) 156 #if defined(LIBSA_ENABLE_LS_OP) 157 #define FS_LS(fs) ((fs)->ls) 158 #endif 159 160 #else 161 162 #define FS_OPEN(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_open) 163 #define FS_CLOSE(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_close) 164 #define FS_READ(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_read) 165 #define FS_WRITE(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_write) 166 #define FS_SEEK(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_seek) 167 #define FS_STAT(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_stat) 168 #if defined(LIBSA_ENABLE_LS_OP) 169 #define FS_LS(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_ls) 170 #endif 171 172 FS_DEF(LIBSA_SINGLE_FILESYSTEM); 173 174 #endif 175 176 /* where values for lseek(2) */ 177 #define SEEK_SET 0 /* set file offset to offset */ 178 #define SEEK_CUR 1 /* set file offset to current plus offset */ 179 #define SEEK_END 2 /* set file offset to EOF plus offset */ 180 181 /* Device switch */ 182 #if !defined(LIBSA_SINGLE_DEVICE) 183 184 struct devsw { 185 char *dv_name; 186 int (*dv_strategy)(void *, int, daddr_t, size_t, void *, size_t *); 187 int (*dv_open)(struct open_file *, ...); 188 int (*dv_close)(struct open_file *); 189 int (*dv_ioctl)(struct open_file *, u_long, void *); 190 }; 191 192 extern struct devsw devsw[]; /* device array */ 193 extern int ndevs; /* number of elements in devsw[] */ 194 195 #define DEV_NAME(d) ((d)->dv_name) 196 #define DEV_STRATEGY(d) ((d)->dv_strategy) 197 #define DEV_OPEN(d) ((d)->dv_open) 198 #define DEV_CLOSE(d) ((d)->dv_close) 199 #define DEV_IOCTL(d) ((d)->dv_ioctl) 200 201 #else 202 203 #define DEV_NAME(d) ___STRING(LIBSA_SINGLE_DEVICE) 204 #define DEV_STRATEGY(d) ___CONCAT(LIBSA_SINGLE_DEVICE,strategy) 205 #define DEV_OPEN(d) ___CONCAT(LIBSA_SINGLE_DEVICE,open) 206 #define DEV_CLOSE(d) ___CONCAT(LIBSA_SINGLE_DEVICE,close) 207 #define DEV_IOCTL(d) ___CONCAT(LIBSA_SINGLE_DEVICE,ioctl) 208 209 /* These may be #defines which must not be expanded here, hence the extra () */ 210 int (DEV_STRATEGY(unused))(void *, int, daddr_t, size_t, void *, size_t *); 211 int (DEV_OPEN(unused))(struct open_file *, ...); 212 int (DEV_CLOSE(unused))(struct open_file *); 213 int (DEV_IOCTL(unused))(struct open_file *, u_long, void *); 214 215 #endif 216 217 struct open_file { 218 int f_flags; /* see F_* below */ 219 #if !defined(LIBSA_SINGLE_DEVICE) 220 const struct devsw *f_dev; /* pointer to device operations */ 221 #endif 222 void *f_devdata; /* device specific data */ 223 #if !defined(LIBSA_SINGLE_FILESYSTEM) 224 const struct fs_ops *f_ops; /* pointer to file system operations */ 225 #endif 226 void *f_fsdata; /* file system specific data */ 227 #if !defined(LIBSA_NO_RAW_ACCESS) 228 off_t f_offset; /* current file offset (F_RAW) */ 229 #endif 230 }; 231 232 #define SOPEN_MAX 4 233 extern struct open_file files[]; 234 235 /* f_flags values */ 236 #define F_READ 0x0001 /* file opened for reading */ 237 #define F_WRITE 0x0002 /* file opened for writing */ 238 #if !defined(LIBSA_NO_RAW_ACCESS) 239 #define F_RAW 0x0004 /* raw device open - no file system */ 240 #endif 241 #define F_NODEV 0x0008 /* network open - no device */ 242 243 int (devopen)(struct open_file *, const char *, char **); 244 #ifdef HEAP_VARIABLE 245 void setheap(void *, void *); 246 #endif 247 void *alloc(size_t) __compactcall; 248 void dealloc(void *, size_t) __compactcall; 249 struct disklabel; 250 char *getdisklabel(const char *, struct disklabel *); 251 int dkcksum(const struct disklabel *); 252 253 void printf(const char *, ...) 254 __attribute__((__format__(__printf__, 1, 2))); 255 int sprintf(char *, const char *, ...) 256 __attribute__((__format__(__printf__, 2, 3))); 257 int snprintf(char *, size_t, const char *, ...) 258 __attribute__((__format__(__printf__, 3, 4))); 259 void vprintf(const char *, va_list) 260 __attribute__((__format__(__printf__, 1, 0))); 261 int vsprintf(char *, const char *, va_list) 262 __attribute__((__format__(__printf__, 2, 0))); 263 int vsnprintf(char *, size_t, const char *, va_list) 264 __attribute__((__format__(__printf__, 3, 0))); 265 void twiddle(void); 266 void gets(char *); 267 int getfile(char *prompt, int mode); 268 char *strerror(int); 269 __dead void exit(int); 270 __dead void panic(const char *, ...) 271 __attribute__((__format__(__printf__, 1, 2))); 272 __dead void _rtt(void); 273 void *memcpy(void *, const void *, size_t); 274 void *memmove(void *, const void *, size_t); 275 int memcmp(const void *, const void *, size_t); 276 void *memset(void *, int, size_t); 277 void exec(char *, char *, int); 278 int open(const char *, int); 279 int close(int); 280 void closeall(void); 281 ssize_t read(int, void *, size_t); 282 ssize_t write(int, const void *, size_t); 283 off_t lseek(int, off_t, int); 284 int ioctl(int, u_long, char *); 285 int stat(const char *, struct stat *); 286 int fstat(int, struct stat *); 287 #if defined(LIBSA_ENABLE_LS_OP) 288 void ls(const char *); 289 #endif 290 291 typedef int cmp_t(const void *, const void *); 292 void qsort(void *, size_t, size_t, cmp_t *); 293 294 extern int opterr, optind, optopt, optreset; 295 extern char *optarg; 296 int getopt(int, char * const *, const char *); 297 298 char *getpass(const char *); 299 int checkpasswd(void); 300 int check_password(const char *); 301 302 int nodev(void); 303 int noioctl(struct open_file *, u_long, void *); 304 void nullsys(void); 305 306 FS_DEF(null); 307 308 /* Machine dependent functions */ 309 void machdep_start(char *, int, char *, char *, char *); 310 int getchar(void); 311 void putchar(int); 312 313 #ifdef __INTERNAL_LIBSA_CREAD 314 int oopen(const char *, int); 315 int oclose(int); 316 ssize_t oread(int, void *, size_t); 317 off_t olseek(int, off_t, int); 318 #endif 319 320 extern const char hexdigits[]; 321 322 int fnmatch(const char *, const char *); 323 324 /* XXX: These should be removed eventually. */ 325 void bcopy(const void *, void *, size_t); 326 void bzero(void *, size_t); 327 328 #endif /* _LIBSA_STAND_H_ */ 329