1 /* $NetBSD: stand.h,v 1.48 2003/04/15 22:26:42 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. All advertising materials mentioning features or use of this software 46 * must display the following acknowledgement: 47 * This product includes software developed by the University of 48 * California, Berkeley and its contributors. 49 * 4. Neither the name of the University nor the names of its contributors 50 * may be used to endorse or promote products derived from this software 51 * without specific prior written permission. 52 * 53 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 54 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 55 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 56 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 57 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 58 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 59 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 60 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 61 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 62 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 63 * SUCH DAMAGE. 64 * 65 * @(#)stand.h 8.1 (Berkeley) 6/11/93 66 */ 67 68 #include <sys/types.h> 69 #include <sys/cdefs.h> 70 #include <sys/stat.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 #ifdef LIBSA_USE_MEMSET 88 #define bzero(s, l) memset(s, 0, l) 89 #endif 90 #ifdef LIBSA_USE_MEMCPY 91 #define bcopy(s, d, l) memcpy(d, s, l) /* For non-overlapping copies only */ 92 #endif 93 94 struct open_file; 95 96 #define FS_DEF(fs) \ 97 extern int __CONCAT(fs,_open)(char *, struct open_file *); \ 98 extern int __CONCAT(fs,_close)(struct open_file *); \ 99 extern int __CONCAT(fs,_read)(struct open_file *, void *, \ 100 size_t, size_t *); \ 101 extern int __CONCAT(fs,_write)(struct open_file *, void *, \ 102 size_t, size_t *); \ 103 extern off_t __CONCAT(fs,_seek)(struct open_file *, off_t, int); \ 104 extern int __CONCAT(fs,_stat)(struct open_file *, struct stat *) 105 106 /* 107 * This structure is used to define file system operations in a file system 108 * independent way. 109 */ 110 #if !defined(LIBSA_SINGLE_FILESYSTEM) 111 struct fs_ops { 112 int (*open)(char *, struct open_file *); 113 int (*close)(struct open_file *); 114 int (*read)(struct open_file *, void *, size_t, size_t *); 115 int (*write)(struct open_file *, void *, size_t size, size_t *); 116 off_t (*seek)(struct open_file *, off_t, int); 117 int (*stat)(struct open_file *, struct stat *); 118 }; 119 120 extern struct fs_ops file_system[]; 121 extern int nfsys; 122 123 #define FS_OPS(fs) { \ 124 __CONCAT(fs,_open), \ 125 __CONCAT(fs,_close), \ 126 __CONCAT(fs,_read), \ 127 __CONCAT(fs,_write), \ 128 __CONCAT(fs,_seek), \ 129 __CONCAT(fs,_stat) } 130 131 #define FS_OPEN(fs) ((fs)->open) 132 #define FS_CLOSE(fs) ((fs)->close) 133 #define FS_READ(fs) ((fs)->read) 134 #define FS_WRITE(fs) ((fs)->write) 135 #define FS_SEEK(fs) ((fs)->seek) 136 #define FS_STAT(fs) ((fs)->stat) 137 138 #else 139 140 #define FS_OPEN(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_open) 141 #define FS_CLOSE(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_close) 142 #define FS_READ(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_read) 143 #define FS_WRITE(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_write) 144 #define FS_SEEK(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_seek) 145 #define FS_STAT(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_stat) 146 147 FS_DEF(LIBSA_SINGLE_FILESYSTEM); 148 149 #endif 150 151 /* where values for lseek(2) */ 152 #define SEEK_SET 0 /* set file offset to offset */ 153 #define SEEK_CUR 1 /* set file offset to current plus offset */ 154 #define SEEK_END 2 /* set file offset to EOF plus offset */ 155 156 /* Device switch */ 157 #if !defined(LIBSA_SINGLE_DEVICE) 158 159 struct devsw { 160 char *dv_name; 161 int (*dv_strategy)(void *, int, daddr_t, size_t, void *, size_t *); 162 int (*dv_open)(struct open_file *, ...); 163 int (*dv_close)(struct open_file *); 164 int (*dv_ioctl)(struct open_file *, u_long, void *); 165 }; 166 167 extern struct devsw devsw[]; /* device array */ 168 extern int ndevs; /* number of elements in devsw[] */ 169 170 #define DEV_NAME(d) ((d)->dv_name) 171 #define DEV_STRATEGY(d) ((d)->dv_strategy) 172 #define DEV_OPEN(d) ((d)->dv_open) 173 #define DEV_CLOSE(d) ((d)->dv_close) 174 #define DEV_IOCTL(d) ((d)->dv_ioctl) 175 176 #else 177 178 #define DEV_NAME(d) ___STRING(LIBSA_SINGLE_DEVICE) 179 #define DEV_STRATEGY(d) ___CONCAT(LIBSA_SINGLE_DEVICE,strategy) 180 #define DEV_OPEN(d) ___CONCAT(LIBSA_SINGLE_DEVICE,open) 181 #define DEV_CLOSE(d) ___CONCAT(LIBSA_SINGLE_DEVICE,close) 182 #define DEV_IOCTL(d) ___CONCAT(LIBSA_SINGLE_DEVICE,ioctl) 183 184 /* These may be #defines which must not be expanded here, hence the extra () */ 185 int (DEV_STRATEGY(unused))(void *, int, daddr_t, size_t, void *, size_t *); 186 int (DEV_OPEN(unused))(struct open_file *, ...); 187 int (DEV_CLOSE(unused))(struct open_file *); 188 int (DEV_IOCTL(unused))(struct open_file *, u_long, void *); 189 190 #endif 191 192 struct open_file { 193 int f_flags; /* see F_* below */ 194 #if !defined(LIBSA_SINGLE_DEVICE) 195 const struct devsw *f_dev; /* pointer to device operations */ 196 #endif 197 void *f_devdata; /* device specific data */ 198 #if !defined(LIBSA_SINGLE_FILESYSTEM) 199 const struct fs_ops *f_ops; /* pointer to file system operations */ 200 #endif 201 void *f_fsdata; /* file system specific data */ 202 #if !defined(LIBSA_NO_RAW_ACCESS) 203 off_t f_offset; /* current file offset (F_RAW) */ 204 #endif 205 }; 206 207 #define SOPEN_MAX 4 208 extern struct open_file files[]; 209 210 /* f_flags values */ 211 #define F_READ 0x0001 /* file opened for reading */ 212 #define F_WRITE 0x0002 /* file opened for writing */ 213 #if !defined(LIBSA_NO_RAW_ACCESS) 214 #define F_RAW 0x0004 /* raw device open - no file system */ 215 #endif 216 #define F_NODEV 0x0008 /* network open - no device */ 217 218 int (devopen)(struct open_file *, const char *, char **); 219 #ifdef HEAP_VARIABLE 220 void setheap(void *, void *); 221 #endif 222 void *alloc(unsigned int); 223 void free(void *, unsigned int); 224 struct disklabel; 225 char *getdisklabel(const char *, struct disklabel *); 226 int dkcksum(struct disklabel *); 227 228 void printf(const char *, ...); 229 int sprintf(char *, const char *, ...); 230 int snprintf(char *, size_t, const char *, ...); 231 void vprintf(const char *, _BSD_VA_LIST_); 232 int vsprintf(char *, const char *, _BSD_VA_LIST_); 233 int vsnprintf(char *, size_t, const char *, _BSD_VA_LIST_); 234 void twiddle(void); 235 void gets(char *); 236 int getfile(char *prompt, int mode); 237 char *strerror(int); 238 __dead void exit(int) __attribute__((noreturn)); 239 __dead void panic(const char *, ...) __attribute__((noreturn)); 240 __dead void _rtt(void) __attribute__((noreturn)); 241 void (bcopy)(const void *, void *, size_t); 242 void *memcpy(void *, const void *, size_t); 243 void *memmove(void *, const void *, size_t); 244 int memcmp(const void *, const void *, 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 extern int opterr, optind, optopt, optreset; 257 extern char *optarg; 258 int getopt(int, char * const *, const char *); 259 260 char *getpass(const char *); 261 int checkpasswd(void); 262 int check_password(const char *); 263 264 int nodev(void); 265 int noioctl(struct open_file *, u_long, void *); 266 void nullsys(void); 267 268 FS_DEF(null); 269 270 /* Machine dependent functions */ 271 void machdep_start(char *, int, char *, char *, char *); 272 int getchar(void); 273 void putchar(int); 274 275 #ifdef __INTERNAL_LIBSA_CREAD 276 int oopen(const char *, int); 277 int oclose(int); 278 ssize_t oread(int, void *, size_t); 279 off_t olseek(int, off_t, int); 280 #endif 281