1 /* $NetBSD: stand.h,v 1.53 2004/06/30 13:59:05 christos 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 "saioctl.h" 71 #include "saerrno.h" 72 73 #ifndef NULL 74 #define NULL 0 75 #endif 76 77 #ifdef LIBSA_RENAME_PRINTF 78 #define getchar libsa_getchar 79 #define gets libsa_gets 80 #define printf libsa_printf 81 #define putchar libsa_putchar 82 #define sprintf libsa_sprintf 83 #define vprintf libsa_vprintf 84 #define vsprintf libsa_vsprintf 85 #endif 86 #ifdef LIBSA_USE_MEMSET 87 #define bzero(s, l) memset(s, 0, l) 88 #endif 89 #ifdef LIBSA_USE_MEMCPY 90 #define bcopy(s, d, l) memcpy(d, s, l) /* For non-overlapping copies only */ 91 #endif 92 93 struct open_file; 94 95 #define FS_DEF(fs) \ 96 extern int __CONCAT(fs,_open)(const char *, struct open_file *); \ 97 extern int __CONCAT(fs,_close)(struct open_file *); \ 98 extern int __CONCAT(fs,_read)(struct open_file *, void *, \ 99 size_t, size_t *); \ 100 extern int __CONCAT(fs,_write)(struct open_file *, void *, \ 101 size_t, size_t *); \ 102 extern off_t __CONCAT(fs,_seek)(struct open_file *, off_t, int); \ 103 extern int __CONCAT(fs,_stat)(struct open_file *, struct stat *) 104 105 /* 106 * This structure is used to define file system operations in a file system 107 * independent way. 108 */ 109 #if !defined(LIBSA_SINGLE_FILESYSTEM) 110 struct fs_ops { 111 int (*open)(const char *, struct open_file *); 112 int (*close)(struct open_file *); 113 int (*read)(struct open_file *, void *, size_t, size_t *); 114 int (*write)(struct open_file *, void *, size_t size, size_t *); 115 off_t (*seek)(struct open_file *, off_t, int); 116 int (*stat)(struct open_file *, struct stat *); 117 }; 118 119 extern struct fs_ops file_system[]; 120 extern int nfsys; 121 122 #define FS_OPS(fs) { \ 123 __CONCAT(fs,_open), \ 124 __CONCAT(fs,_close), \ 125 __CONCAT(fs,_read), \ 126 __CONCAT(fs,_write), \ 127 __CONCAT(fs,_seek), \ 128 __CONCAT(fs,_stat) } 129 130 #define FS_OPEN(fs) ((fs)->open) 131 #define FS_CLOSE(fs) ((fs)->close) 132 #define FS_READ(fs) ((fs)->read) 133 #define FS_WRITE(fs) ((fs)->write) 134 #define FS_SEEK(fs) ((fs)->seek) 135 #define FS_STAT(fs) ((fs)->stat) 136 137 #else 138 139 #define FS_OPEN(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_open) 140 #define FS_CLOSE(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_close) 141 #define FS_READ(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_read) 142 #define FS_WRITE(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_write) 143 #define FS_SEEK(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_seek) 144 #define FS_STAT(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_stat) 145 146 FS_DEF(LIBSA_SINGLE_FILESYSTEM); 147 148 #endif 149 150 /* where values for lseek(2) */ 151 #define SEEK_SET 0 /* set file offset to offset */ 152 #define SEEK_CUR 1 /* set file offset to current plus offset */ 153 #define SEEK_END 2 /* set file offset to EOF plus offset */ 154 155 /* Device switch */ 156 #if !defined(LIBSA_SINGLE_DEVICE) 157 158 struct devsw { 159 char *dv_name; 160 int (*dv_strategy)(void *, int, daddr_t, size_t, void *, size_t *); 161 int (*dv_open)(struct open_file *, ...); 162 int (*dv_close)(struct open_file *); 163 int (*dv_ioctl)(struct open_file *, u_long, void *); 164 }; 165 166 extern struct devsw devsw[]; /* device array */ 167 extern int ndevs; /* number of elements in devsw[] */ 168 169 #define DEV_NAME(d) ((d)->dv_name) 170 #define DEV_STRATEGY(d) ((d)->dv_strategy) 171 #define DEV_OPEN(d) ((d)->dv_open) 172 #define DEV_CLOSE(d) ((d)->dv_close) 173 #define DEV_IOCTL(d) ((d)->dv_ioctl) 174 175 #else 176 177 #define DEV_NAME(d) ___STRING(LIBSA_SINGLE_DEVICE) 178 #define DEV_STRATEGY(d) ___CONCAT(LIBSA_SINGLE_DEVICE,strategy) 179 #define DEV_OPEN(d) ___CONCAT(LIBSA_SINGLE_DEVICE,open) 180 #define DEV_CLOSE(d) ___CONCAT(LIBSA_SINGLE_DEVICE,close) 181 #define DEV_IOCTL(d) ___CONCAT(LIBSA_SINGLE_DEVICE,ioctl) 182 183 /* These may be #defines which must not be expanded here, hence the extra () */ 184 int (DEV_STRATEGY(unused))(void *, int, daddr_t, size_t, void *, size_t *); 185 int (DEV_OPEN(unused))(struct open_file *, ...); 186 int (DEV_CLOSE(unused))(struct open_file *); 187 int (DEV_IOCTL(unused))(struct open_file *, u_long, void *); 188 189 #endif 190 191 struct open_file { 192 int f_flags; /* see F_* below */ 193 #if !defined(LIBSA_SINGLE_DEVICE) 194 const struct devsw *f_dev; /* pointer to device operations */ 195 #endif 196 void *f_devdata; /* device specific data */ 197 #if !defined(LIBSA_SINGLE_FILESYSTEM) 198 const struct fs_ops *f_ops; /* pointer to file system operations */ 199 #endif 200 void *f_fsdata; /* file system specific data */ 201 #if !defined(LIBSA_NO_RAW_ACCESS) 202 off_t f_offset; /* current file offset (F_RAW) */ 203 #endif 204 }; 205 206 #define SOPEN_MAX 4 207 extern struct open_file files[]; 208 209 /* f_flags values */ 210 #define F_READ 0x0001 /* file opened for reading */ 211 #define F_WRITE 0x0002 /* file opened for writing */ 212 #if !defined(LIBSA_NO_RAW_ACCESS) 213 #define F_RAW 0x0004 /* raw device open - no file system */ 214 #endif 215 #define F_NODEV 0x0008 /* network open - no device */ 216 217 int (devopen)(struct open_file *, const char *, char **); 218 #ifdef HEAP_VARIABLE 219 void setheap(void *, void *); 220 #endif 221 void *alloc(unsigned int); 222 void free(void *, unsigned int); 223 struct disklabel; 224 char *getdisklabel(const char *, struct disklabel *); 225 int dkcksum(const struct disklabel *); 226 227 void printf(const char *, ...); 228 int sprintf(char *, const char *, ...); 229 int snprintf(char *, size_t, const char *, ...); 230 void vprintf(const char *, _BSD_VA_LIST_); 231 int vsprintf(char *, const char *, _BSD_VA_LIST_); 232 int vsnprintf(char *, size_t, const char *, _BSD_VA_LIST_); 233 void twiddle(void); 234 void gets(char *); 235 int getfile(char *prompt, int mode); 236 char *strerror(int); 237 __dead void exit(int) __attribute__((noreturn)); 238 __dead void panic(const char *, ...) __attribute__((noreturn)); 239 __dead void _rtt(void) __attribute__((noreturn)); 240 void (bcopy)(const void *, void *, size_t); 241 void *memcpy(void *, const void *, size_t); 242 void *memmove(void *, const void *, size_t); 243 int memcmp(const void *, const void *, size_t); 244 void *memset(void *, int, 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 typedef int cmp_t __P((const void *, const void *)); 257 void qsort(void *, size_t, size_t, cmp_t * cmp); 258 259 extern int opterr, optind, optopt, optreset; 260 extern char *optarg; 261 int getopt(int, char * const *, const char *); 262 263 char *getpass(const char *); 264 int checkpasswd(void); 265 int check_password(const char *); 266 267 int nodev(void); 268 int noioctl(struct open_file *, u_long, void *); 269 void nullsys(void); 270 271 FS_DEF(null); 272 273 /* Machine dependent functions */ 274 void machdep_start(char *, int, char *, char *, char *); 275 int getchar(void); 276 void putchar(int); 277 278 #ifdef __INTERNAL_LIBSA_CREAD 279 int oopen(const char *, int); 280 int oclose(int); 281 ssize_t oread(int, void *, size_t); 282 off_t olseek(int, off_t, int); 283 #endif 284 285 #endif /* _LIBSA_STAND_H_ */ 286