Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/lib/libsa/stand.h
Version:
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1 /* $NetBSD: stand.h,v 1.51.2.1 2004/05/22 17:13:09 he 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 #include <sys/types.h> 65 #include <sys/cdefs.h> 66 #include <sys/stat.h> 67 #include "saioctl.h" 68 #include "saerrno.h" 69 70 #ifndef NULL 71 #define NULL 0 72 #endif 73 74 #ifdef LIBSA_RENAME_PRINTF 75 #define getchar libsa_getchar 76 #define gets libsa_gets 77 #define printf libsa_printf 78 #define putchar libsa_putchar 79 #define sprintf libsa_sprintf 80 #define vprintf libsa_vprintf 81 #define vsprintf libsa_vsprintf 82 #endif 83 #ifdef LIBSA_USE_MEMSET 84 #define bzero(s, l) memset(s, 0, l) 85 #endif 86 #ifdef LIBSA_USE_MEMCPY 87 #define bcopy(s, d, l) memcpy(d, s, l) /* For non-overlapping copies only */ 88 #endif 89 90 struct open_file; 91 92 #define FS_DEF(fs) \ 93 extern int __CONCAT(fs,_open)(const char *, struct open_file *); \ 94 extern int __CONCAT(fs,_close)(struct open_file *); \ 95 extern int __CONCAT(fs,_read)(struct open_file *, void *, \ 96 size_t, size_t *); \ 97 extern int __CONCAT(fs,_write)(struct open_file *, void *, \ 98 size_t, size_t *); \ 99 extern off_t __CONCAT(fs,_seek)(struct open_file *, off_t, int); \ 100 extern int __CONCAT(fs,_stat)(struct open_file *, struct stat *) 101 102 /* 103 * This structure is used to define file system operations in a file system 104 * independent way. 105 */ 106 #if !defined(LIBSA_SINGLE_FILESYSTEM) 107 struct fs_ops { 108 int (*open)(const char *, struct open_file *); 109 int (*close)(struct open_file *); 110 int (*read)(struct open_file *, void *, size_t, size_t *); 111 int (*write)(struct open_file *, void *, size_t size, size_t *); 112 off_t (*seek)(struct open_file *, off_t, int); 113 int (*stat)(struct open_file *, struct stat *); 114 }; 115 116 extern struct fs_ops file_system[]; 117 extern int nfsys; 118 119 #define FS_OPS(fs) { \ 120 __CONCAT(fs,_open), \ 121 __CONCAT(fs,_close), \ 122 __CONCAT(fs,_read), \ 123 __CONCAT(fs,_write), \ 124 __CONCAT(fs,_seek), \ 125 __CONCAT(fs,_stat) } 126 127 #define FS_OPEN(fs) ((fs)->open) 128 #define FS_CLOSE(fs) ((fs)->close) 129 #define FS_READ(fs) ((fs)->read) 130 #define FS_WRITE(fs) ((fs)->write) 131 #define FS_SEEK(fs) ((fs)->seek) 132 #define FS_STAT(fs) ((fs)->stat) 133 134 #else 135 136 #define FS_OPEN(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_open) 137 #define FS_CLOSE(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_close) 138 #define FS_READ(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_read) 139 #define FS_WRITE(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_write) 140 #define FS_SEEK(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_seek) 141 #define FS_STAT(fs) ___CONCAT(LIBSA_SINGLE_FILESYSTEM,_stat) 142 143 FS_DEF(LIBSA_SINGLE_FILESYSTEM); 144 145 #endif 146 147 /* where values for lseek(2) */ 148 #define SEEK_SET 0 /* set file offset to offset */ 149 #define SEEK_CUR 1 /* set file offset to current plus offset */ 150 #define SEEK_END 2 /* set file offset to EOF plus offset */ 151 152 /* Device switch */ 153 #if !defined(LIBSA_SINGLE_DEVICE) 154 155 struct devsw { 156 char *dv_name; 157 int (*dv_strategy)(void *, int, daddr_t, size_t, void *, size_t *); 158 int (*dv_open)(struct open_file *, ...); 159 int (*dv_close)(struct open_file *); 160 int (*dv_ioctl)(struct open_file *, u_long, void *); 161 }; 162 163 extern struct devsw devsw[]; /* device array */ 164 extern int ndevs; /* number of elements in devsw[] */ 165 166 #define DEV_NAME(d) ((d)->dv_name) 167 #define DEV_STRATEGY(d) ((d)->dv_strategy) 168 #define DEV_OPEN(d) ((d)->dv_open) 169 #define DEV_CLOSE(d) ((d)->dv_close) 170 #define DEV_IOCTL(d) ((d)->dv_ioctl) 171 172 #else 173 174 #define DEV_NAME(d) ___STRING(LIBSA_SINGLE_DEVICE) 175 #define DEV_STRATEGY(d) ___CONCAT(LIBSA_SINGLE_DEVICE,strategy) 176 #define DEV_OPEN(d) ___CONCAT(LIBSA_SINGLE_DEVICE,open) 177 #define DEV_CLOSE(d) ___CONCAT(LIBSA_SINGLE_DEVICE,close) 178 #define DEV_IOCTL(d) ___CONCAT(LIBSA_SINGLE_DEVICE,ioctl) 179 180 /* These may be #defines which must not be expanded here, hence the extra () */ 181 int (DEV_STRATEGY(unused))(void *, int, daddr_t, size_t, void *, size_t *); 182 int (DEV_OPEN(unused))(struct open_file *, ...); 183 int (DEV_CLOSE(unused))(struct open_file *); 184 int (DEV_IOCTL(unused))(struct open_file *, u_long, void *); 185 186 #endif 187 188 struct open_file { 189 int f_flags; /* see F_* below */ 190 #if !defined(LIBSA_SINGLE_DEVICE) 191 const struct devsw *f_dev; /* pointer to device operations */ 192 #endif 193 void *f_devdata; /* device specific data */ 194 #if !defined(LIBSA_SINGLE_FILESYSTEM) 195 const struct fs_ops *f_ops; /* pointer to file system operations */ 196 #endif 197 void *f_fsdata; /* file system specific data */ 198 #if !defined(LIBSA_NO_RAW_ACCESS) 199 off_t f_offset; /* current file offset (F_RAW) */ 200 #endif 201 }; 202 203 #define SOPEN_MAX 4 204 extern struct open_file files[]; 205 206 /* f_flags values */ 207 #define F_READ 0x0001 /* file opened for reading */ 208 #define F_WRITE 0x0002 /* file opened for writing */ 209 #if !defined(LIBSA_NO_RAW_ACCESS) 210 #define F_RAW 0x0004 /* raw device open - no file system */ 211 #endif 212 #define F_NODEV 0x0008 /* network open - no device */ 213 214 int (devopen)(struct open_file *, const char *, char **); 215 #ifdef HEAP_VARIABLE 216 void setheap(void *, void *); 217 #endif 218 void *alloc(unsigned int); 219 void free(void *, unsigned int); 220 struct disklabel; 221 char *getdisklabel(const char *, struct disklabel *); 222 int dkcksum(struct disklabel *); 223 224 void printf(const char *, ...); 225 int sprintf(char *, const char *, ...); 226 int snprintf(char *, size_t, const char *, ...); 227 void vprintf(const char *, _BSD_VA_LIST_); 228 int vsprintf(char *, const char *, _BSD_VA_LIST_); 229 int vsnprintf(char *, size_t, const char *, _BSD_VA_LIST_); 230 void twiddle(void); 231 void gets(char *); 232 int getfile(char *prompt, int mode); 233 char *strerror(int); 234 __dead void exit(int) __attribute__((noreturn)); 235 __dead void panic(const char *, ...) __attribute__((noreturn)); 236 __dead void _rtt(void) __attribute__((noreturn)); 237 void (bcopy)(const void *, void *, size_t); 238 void *memcpy(void *, const void *, size_t); 239 void *memmove(void *, const void *, size_t); 240 int memcmp(const void *, const void *, size_t); 241 void *memset(void *, int, size_t); 242 void exec(char *, char *, int); 243 int open(const char *, int); 244 int close(int); 245 void closeall(void); 246 ssize_t read(int, void *, size_t); 247 ssize_t write(int, void *, size_t); 248 off_t lseek(int, off_t, int); 249 int ioctl(int, u_long, char *); 250 int stat(const char *, struct stat *); 251 int fstat(int, struct stat *); 252 253 typedef int cmp_t __P((const void *, const void *)); 254 void qsort(void *, size_t, size_t, cmp_t * cmp); 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
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