2 * Copyright (c) 1998 Michael Smith.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * From $NetBSD: stand.h,v 1.22 1997/06/26 19:17:40 drochner Exp $
32 * The Regents of the University of California. All rights reserved.
34 * Redistribution and use in source and binary forms, with or without
35 * modification, are permitted provided that the following conditions
37 * 1. Redistributions of source code must retain the above copyright
38 * notice, this list of conditions and the following disclaimer.
39 * 2. Redistributions in binary form must reproduce the above copyright
40 * notice, this list of conditions and the following disclaimer in the
41 * documentation and/or other materials provided with the distribution.
42 * 3. Neither the name of the University nor the names of its contributors
43 * may be used to endorse or promote products derived from this software
44 * without specific prior written permission.
46 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
47 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
48 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
49 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
50 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
51 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
52 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
53 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
54 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
55 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
58 * @(#)stand.h 8.1 (Berkeley) 6/11/93
64 #include <sys/types.h>
65 #include <sys/cdefs.h>
67 #include <sys/dirent.h>
69 /* this header intentionally exports NULL from <string.h> */
71 #define strcoll(a, b) strcmp((a), (b))
73 #define CHK(fmt, args...) printf("%s(%d): " fmt "\n", __func__, __LINE__ , ##args)
74 #define PCHK(fmt, args...) {printf("%s(%d): " fmt "\n", __func__, __LINE__ , ##args); getchar();}
76 #include <sys/errno.h>
78 /* special stand error codes */
79 #define EADAPT (ELAST+1) /* bad adaptor */
80 #define ECTLR (ELAST+2) /* bad controller */
81 #define EUNIT (ELAST+3) /* bad unit */
82 #define ESLICE (ELAST+4) /* bad slice */
83 #define EPART (ELAST+5) /* bad partition */
84 #define ERDLAB (ELAST+6) /* can't read disk label */
85 #define EUNLAB (ELAST+7) /* unlabeled disk */
86 #define EOFFSET (ELAST+8) /* relative seek not supported */
87 #define ESALAST (ELAST+8) /* */
89 /* Partial signal emulation for sig_atomic_t */
90 #include <machine/signal.h>
95 * This structure is used to define file system operations in a file system
98 * XXX note that filesystem providers should export a pointer to their fs_ops
99 * struct, so that consumers can reference this and thus include the
100 * filesystems that they require.
104 int (*fo_open)(const char *path, struct open_file *f);
105 int (*fo_close)(struct open_file *f);
106 int (*fo_read)(struct open_file *f, void *buf,
107 size_t size, size_t *resid);
108 int (*fo_write)(struct open_file *f, const void *buf,
109 size_t size, size_t *resid);
110 off_t (*fo_seek)(struct open_file *f, off_t offset, int where);
111 int (*fo_stat)(struct open_file *f, struct stat *sb);
112 int (*fo_readdir)(struct open_file *f, struct dirent *d);
116 * libstand-supplied filesystems
118 extern struct fs_ops ufs_fsops;
119 extern struct fs_ops tftp_fsops;
120 extern struct fs_ops nfs_fsops;
121 extern struct fs_ops cd9660_fsops;
122 extern struct fs_ops nandfs_fsops;
123 extern struct fs_ops gzipfs_fsops;
124 extern struct fs_ops bzipfs_fsops;
125 extern struct fs_ops dosfs_fsops;
126 extern struct fs_ops ext2fs_fsops;
127 extern struct fs_ops splitfs_fsops;
128 extern struct fs_ops pkgfs_fsops;
130 /* where values for lseek(2) */
131 #define SEEK_SET 0 /* set file offset to offset */
132 #define SEEK_CUR 1 /* set file offset to current plus offset */
133 #define SEEK_END 2 /* set file offset to EOF plus offset */
139 const char dv_name[8];
140 int dv_type; /* opaque type constant, arch-dependant */
147 int (*dv_init)(void); /* early probe call */
148 int (*dv_strategy)(void *devdata, int rw, daddr_t blk,
149 size_t size, char *buf, size_t *rsize);
150 int (*dv_open)(struct open_file *f, ...);
151 int (*dv_close)(struct open_file *f);
152 int (*dv_ioctl)(struct open_file *f, u_long cmd, void *data);
153 int (*dv_print)(int verbose); /* print device information */
154 void (*dv_cleanup)(void);
158 * libstand-supplied device switch
160 extern struct devsw netdev;
165 * Generic device specifier; architecture-dependent
166 * versions may be larger, but should be allowed to
176 int f_flags; /* see F_* below */
177 struct devsw *f_dev; /* pointer to device operations */
178 void *f_devdata; /* device specific data */
179 struct fs_ops *f_ops; /* pointer to file system operations */
180 void *f_fsdata; /* file system specific data */
181 off_t f_offset; /* current file offset */
182 char *f_rabuf; /* readahead buffer pointer */
183 size_t f_ralen; /* valid data in readahead buffer */
184 off_t f_raoffset; /* consumer offset in readahead buffer */
185 #define SOPEN_RASIZE 512
189 extern struct open_file files[];
192 #define F_READ 0x0001 /* file opened for reading */
193 #define F_WRITE 0x0002 /* file opened for writing */
194 #define F_RAW 0x0004 /* raw device open - no file system */
195 #define F_NODEV 0x0008 /* network open - no device */
196 #define F_MASK 0xFFFF
197 /* Mode modifier for strategy() */
198 #define F_NORA (0x01 << 16) /* Disable Read-Ahead */
200 #define isascii(c) (((c) & ~0x7F) == 0)
202 static __inline int isupper(int c)
204 return c >= 'A' && c <= 'Z';
207 static __inline int islower(int c)
209 return c >= 'a' && c <= 'z';
212 static __inline int isspace(int c)
214 return c == ' ' || (c >= 0x9 && c <= 0xd);
217 static __inline int isdigit(int c)
219 return c >= '0' && c <= '9';
222 static __inline int isxdigit(int c)
224 return isdigit(c) || (c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F');
227 static __inline int isalpha(int c)
229 return isupper(c) || islower(c);
232 static __inline int isalnum(int c)
234 return isalpha(c) || isdigit(c);
237 static __inline int iscntrl(int c)
239 return (c >= 0 && c < ' ') || c == 127;
242 static __inline int isgraph(int c)
244 return c >= '!' && c <= '~';
247 static __inline int ispunct(int c)
249 return (c >= '!' && c <= '/') || (c >= ':' && c <= '@') ||
250 (c >= '[' && c <= '`') || (c >= '{' && c <= '~');
253 static __inline int toupper(int c)
255 return islower(c) ? c - 'a' + 'A' : c;
258 static __inline int tolower(int c)
260 return isupper(c) ? c - 'A' + 'a' : c;
264 extern void setheap(void *base, void *top);
265 extern char *sbrk(int incr);
267 extern void *reallocf(void *ptr, size_t size);
268 extern void mallocstats(void);
270 extern int printf(const char *fmt, ...) __printflike(1, 2);
271 extern int asprintf(char **buf, const char *cfmt, ...) __printflike(2, 3);
272 extern int sprintf(char *buf, const char *cfmt, ...) __printflike(2, 3);
273 extern int snprintf(char *buf, size_t size, const char *cfmt, ...) __printflike(3, 4);
274 extern int vprintf(const char *fmt, __va_list);
275 extern int vsprintf(char *buf, const char *cfmt, __va_list);
276 extern int vsnprintf(char *buf, size_t size, const char *cfmt, __va_list);
278 extern void twiddle(u_int callerdiv);
279 extern void twiddle_divisor(u_int globaldiv);
281 extern void ngets(char *, int);
282 #define gets(x) ngets((x), 0)
283 extern int fgetstr(char *buf, int size, int fd);
285 extern int open(const char *, int);
289 /* NOT IMPLEMENTED */
290 #define O_CREAT 0x0200 /* create if nonexistent */
291 #define O_TRUNC 0x0400 /* truncate to zero length */
292 extern int close(int);
293 extern void closeall(void);
294 extern ssize_t read(int, void *, size_t);
295 extern ssize_t write(int, const void *, size_t);
296 extern struct dirent *readdirfd(int);
298 extern void srandom(unsigned int);
299 extern long random(void);
301 /* imports from stdlib, locally modified */
302 extern char *optarg; /* getopt(3) external variables */
303 extern int optind, opterr, optopt, optreset;
304 extern int getopt(int, char * const [], const char *);
307 extern void pager_open(void);
308 extern void pager_close(void);
309 extern int pager_output(const char *lines);
310 extern int pager_file(const char *fname);
312 /* No signal state to preserve */
313 #define setjmp _setjmp
314 #define longjmp _longjmp
317 #define EV_DYNAMIC (1<<0) /* value was dynamically allocated, free if changed/unset */
318 #define EV_VOLATILE (1<<1) /* value is volatile, make a copy of it */
319 #define EV_NOHOOK (1<<2) /* don't call hook when setting */
322 typedef char *(ev_format_t)(struct env_var *ev);
323 typedef int (ev_sethook_t)(struct env_var *ev, int flags,
325 typedef int (ev_unsethook_t)(struct env_var *ev);
332 ev_sethook_t *ev_sethook;
333 ev_unsethook_t *ev_unsethook;
334 struct env_var *ev_next, *ev_prev;
336 extern struct env_var *environ;
338 extern struct env_var *env_getenv(const char *name);
339 extern int env_setenv(const char *name, int flags,
340 const void *value, ev_sethook_t sethook,
341 ev_unsethook_t unsethook);
342 extern char *getenv(const char *name);
343 extern int setenv(const char *name, const char *value,
345 extern int putenv(char *string);
346 extern int unsetenv(const char *name);
348 extern ev_sethook_t env_noset; /* refuse set operation */
349 extern ev_unsethook_t env_nounset; /* refuse unset operation */
351 /* stdlib.h routines */
352 extern int abs(int a);
353 extern void abort(void) __dead2;
354 extern long strtol(const char * __restrict, char ** __restrict, int);
355 extern long long strtoll(const char * __restrict, char ** __restrict, int);
356 extern unsigned long strtoul(const char * __restrict, char ** __restrict, int);
357 extern unsigned long long strtoull(const char * __restrict, char ** __restrict, int);
359 /* BCD conversions (undocumented) */
360 extern u_char const bcd2bin_data[];
361 extern u_char const bin2bcd_data[];
362 extern char const hex2ascii_data[];
364 #define bcd2bin(bcd) (bcd2bin_data[bcd])
365 #define bin2bcd(bin) (bin2bcd_data[bin])
366 #define hex2ascii(hex) (hex2ascii_data[hex])
367 #define validbcd(bcd) (bcd == 0 || (bcd > 0 && bcd <= 0x99 && bcd2bin_data[bcd] != 0))
369 /* min/max (undocumented) */
370 static __inline int imax(int a, int b) { return (a > b ? a : b); }
371 static __inline int imin(int a, int b) { return (a < b ? a : b); }
372 static __inline long lmax(long a, long b) { return (a > b ? a : b); }
373 static __inline long lmin(long a, long b) { return (a < b ? a : b); }
374 static __inline u_int max(u_int a, u_int b) { return (a > b ? a : b); }
375 static __inline u_int min(u_int a, u_int b) { return (a < b ? a : b); }
376 static __inline quad_t qmax(quad_t a, quad_t b) { return (a > b ? a : b); }
377 static __inline quad_t qmin(quad_t a, quad_t b) { return (a < b ? a : b); }
378 static __inline u_long ulmax(u_long a, u_long b) { return (a > b ? a : b); }
379 static __inline u_long ulmin(u_long a, u_long b) { return (a < b ? a : b); }
381 /* null functions for device/filesystem switches (undocumented) */
382 extern int nodev(void);
383 extern int noioctl(struct open_file *, u_long, void *);
384 extern void nullsys(void);
386 extern int null_open(const char *path, struct open_file *f);
387 extern int null_close(struct open_file *f);
388 extern int null_read(struct open_file *f, void *buf, size_t size, size_t *resid);
389 extern int null_write(struct open_file *f, const void *buf, size_t size, size_t *resid);
390 extern off_t null_seek(struct open_file *f, off_t offset, int where);
391 extern int null_stat(struct open_file *f, struct stat *sb);
392 extern int null_readdir(struct open_file *f, struct dirent *d);
396 * Machine dependent functions and data, must be provided or stubbed by
399 extern void exit(int) __dead2;
400 extern int getchar(void);
401 extern int ischar(void);
402 extern void putchar(int);
403 extern int devopen(struct open_file *, const char *, const char **);
404 extern int devclose(struct open_file *f);
405 extern void panic(const char *, ...) __dead2 __printflike(1, 2);
406 extern void panic_action(void) __weak_symbol __dead2;
407 extern time_t getsecs(void);
408 extern struct fs_ops *file_system[];
409 extern struct fs_ops *exclusive_file_system;
410 extern struct devsw *devsw[];
413 * Expose byteorder(3) functions.
415 #ifndef _BYTEORDER_PROTOTYPED
416 #define _BYTEORDER_PROTOTYPED
417 extern uint32_t htonl(uint32_t);
418 extern uint16_t htons(uint16_t);
419 extern uint32_t ntohl(uint32_t);
420 extern uint16_t ntohs(uint16_t);
423 #ifndef _BYTEORDER_FUNC_DEFINED
424 #define _BYTEORDER_FUNC_DEFINED
425 #define htonl(x) __htonl(x)
426 #define htons(x) __htons(x)
427 #define ntohl(x) __ntohl(x)
428 #define ntohs(x) __ntohs(x)
431 void *Malloc(size_t, const char *, int);
432 void *Calloc(size_t, size_t, const char *, int);
433 void *Realloc(void *, size_t, const char *, int);
434 void Free(void *, const char *, int);
437 #define malloc(x) Malloc(x, __FILE__, __LINE__)
438 #define calloc(x, y) Calloc(x, y, __FILE__, __LINE__)
439 #define free(x) Free(x, __FILE__, __LINE__)
440 #define realloc(x, y) Realloc(x, y, __FILE__, __LINE__)
442 #define malloc(x) Malloc(x, NULL, 0)
443 #define calloc(x, y) Calloc(x, y, NULL, 0)
444 #define free(x) Free(x, NULL, 0)
445 #define realloc(x, y) Realloc(x, y, NULL, 0)