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