1 /*
2 * Copyright (c) 1998 Michael Smith.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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.
13 *
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
24 * SUCH DAMAGE.
25 * From $NetBSD: stand.h,v 1.22 1997/06/26 19:17:40 drochner Exp $
26 */
27
28 /*-
29 * Copyright (c) 1993
30 * The Regents of the University of California. All rights reserved.
31 *
32 * Redistribution and use in source and binary forms, with or without
33 * modification, are permitted provided that the following conditions
34 * are met:
35 * 1. Redistributions of source code must retain the above copyright
36 * notice, this list of conditions and the following disclaimer.
37 * 2. Redistributions in binary form must reproduce the above copyright
38 * notice, this list of conditions and the following disclaimer in the
39 * documentation and/or other materials provided with the distribution.
40 * 3. Neither the name of the University nor the names of its contributors
41 * may be used to endorse or promote products derived from this software
42 * without specific prior written permission.
43 *
44 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
45 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
46 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
47 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
48 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
49 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
50 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
51 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
52 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
53 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
54 * SUCH DAMAGE.
55 */
56
57 #ifndef STAND_H
58 #define STAND_H
59
60 #include <sys/types.h>
61 #include <sys/stat.h>
62 #include <sys/dirent.h>
63 #include <sys/queue.h>
64
65 /* this header intentionally exports NULL from <string.h> */
66 #include <string.h>
67 #define strcoll(a, b) strcmp((a), (b))
68
69 #define CHK(fmt, args...) printf("%s(%d): " fmt "\n", __func__, __LINE__ , ##args)
70 #define PCHK(fmt, args...) {printf("%s(%d): " fmt "\n", __func__, __LINE__ , ##args); getchar();}
71
72 #include <sys/errno.h>
73
74 /* special stand error codes */
75 #define EADAPT (ELAST+1) /* bad adaptor */
76 #define ECTLR (ELAST+2) /* bad controller */
77 #define EUNIT (ELAST+3) /* bad unit */
78 #define ESLICE (ELAST+4) /* bad slice */
79 #define EPART (ELAST+5) /* bad partition */
80 #define ERDLAB (ELAST+6) /* can't read disk label */
81 #define EUNLAB (ELAST+7) /* unlabeled disk */
82 #define EOFFSET (ELAST+8) /* relative seek not supported */
83 #define ESALAST (ELAST+8) /* */
84
85 /*
86 * LUA needs sig_atomic_t. This is defined to be long or int on all our
87 * platforms. On all but powerpc, these are all the same thing as long. 64-bit
88 * powerpc defines this as int, but long can also be accessed atomically. It's
89 * also OK because we don't have signal handlers in the boot loader.
90 */
91 typedef long sig_atomic_t;
92
93 __BEGIN_DECLS
94
95 struct open_file;
96
97 #define FS_OPS_NO_DEVOPEN 1
98
99 /*
100 * This structure is used to define file system operations in a file system
101 * independent way.
102 *
103 * XXX note that filesystem providers should export a pointer to their fs_ops
104 * struct, so that consumers can reference this and thus include the
105 * filesystems that they require.
106 */
107 struct fs_ops {
108 const char *fs_name;
109 int fs_flags;
110 int (*fo_open)(const char *path, struct open_file *f);
111 int (*fo_close)(struct open_file *f);
112 int (*fo_read)(struct open_file *f, void *buf,
113 size_t size, size_t *resid);
114 int (*fo_write)(struct open_file *f, const void *buf,
115 size_t size, size_t *resid);
116 off_t (*fo_seek)(struct open_file *f, off_t offset, int where);
117 int (*fo_stat)(struct open_file *f, struct stat *sb);
118 int (*fo_readdir)(struct open_file *f, struct dirent *d);
119 int (*fo_preload)(struct open_file *f);
120 int (*fo_mount)(const char *, const char *, void **);
121 int (*fo_unmount)(const char *, void *);
122 };
123
124 /*
125 * libsa-supplied filesystems
126 */
127 extern struct fs_ops ufs_fsops;
128 extern struct fs_ops tftp_fsops;
129 extern struct fs_ops nfs_fsops;
130 extern struct fs_ops cd9660_fsops;
131 extern struct fs_ops gzipfs_fsops;
132 extern struct fs_ops bzipfs_fsops;
133 extern struct fs_ops xzfs_fsops;
134 extern struct fs_ops zstdfs_fsops;
135 extern struct fs_ops dosfs_fsops;
136 extern struct fs_ops ext2fs_fsops;
137 extern struct fs_ops splitfs_fsops;
138 extern struct fs_ops pkgfs_fsops;
139 extern struct fs_ops efihttp_fsops;
140
141 /* where values for lseek(2) */
142 #define SEEK_SET 0 /* set file offset to offset */
143 #define SEEK_CUR 1 /* set file offset to current plus offset */
144 #define SEEK_END 2 /* set file offset to EOF plus offset */
145
146 /*
147 * Device switch
148 */
149 #define DEV_NAMLEN 8 /* Length of name of device class */
150 #define DEV_DEVLEN 128 /* Length of longest device instance name */
151 struct devdesc;
152 struct devsw {
153 const char dv_name[DEV_NAMLEN];
154 int dv_type; /* opaque type constant */
155 #define DEVT_NONE 0
156 #define DEVT_DISK 1
157 #define DEVT_NET 2
158 #define DEVT_CD 3
159 #define DEVT_ZFS 4
160 #define DEVT_FD 5
161 int (*dv_init)(void); /* early probe call */
162 int (*dv_strategy)(void *devdata, int rw, daddr_t blk,
163 size_t size, char *buf, size_t *rsize);
164 int (*dv_open)(struct open_file *f, ...);
165 int (*dv_close)(struct open_file *f);
166 int (*dv_ioctl)(struct open_file *f, u_long cmd, void *data);
167 int (*dv_print)(int verbose); /* print device information */
168 void (*dv_cleanup)(void);
169 char * (*dv_fmtdev)(struct devdesc *);
170 int (*dv_parsedev)(struct devdesc **, const char *, const char **);
171 bool (*dv_match)(struct devsw *, const char *);
172 };
173
174 /*
175 * libsa-supplied device switch
176 */
177 extern struct devsw netdev;
178
179 extern int errno;
180
181 /*
182 * Generic device specifier; architecture-dependent versions may be larger, but
183 * should be allowed to overlap. The larger device specifiers store more data
184 * than can fit in the generic one that's gleaned after parsing the device
185 * string, or used in some cases to indicate wildcards that match a variety of
186 * situations based on what's on the drive itself rather than what the progammer
187 * might know in advance. Information about open files is stored in d_opendata,
188 * though what's passed into the open routine may differ from what's present
189 * after the open on some configurations.
190 */
191 struct devdesc {
192 struct devsw *d_dev;
193 int d_unit;
194 void *d_opendata;
195 };
196
197 char *devformat(struct devdesc *d);
198 int devparse(struct devdesc **, const char *, const char **);
199 int devinit(void);
200 void dev_cleanup(void);
201
202 struct open_file {
203 int f_flags; /* see F_* below */
204 struct devsw *f_dev; /* pointer to device operations */
205 void *f_devdata; /* device specific data */
206 struct fs_ops *f_ops; /* pointer to file system operations */
207 void *f_fsdata; /* file system specific data */
208 off_t f_offset; /* current file offset */
209 char *f_rabuf; /* readahead buffer pointer */
210 size_t f_ralen; /* valid data in readahead buffer */
211 off_t f_raoffset; /* consumer offset in readahead buffer */
212 int f_id; /* file number */
213 TAILQ_ENTRY(open_file) f_link; /* next entry */
214 #define SOPEN_RASIZE 512
215 };
216
217 typedef TAILQ_HEAD(file_list, open_file) file_list_t;
218 extern file_list_t files;
219 extern struct open_file *fd2open_file(int);
220
221 /* f_flags values */
222 #define F_READ 0x0001 /* file opened for reading */
223 #define F_WRITE 0x0002 /* file opened for writing */
224 #define F_RAW 0x0004 /* raw device open - no file system */
225 #define F_NODEV 0x0008 /* network open - no device */
226 #define F_MASK 0xFFFF
227 /* Mode modifier for strategy() */
228 #define F_NORA (0x01 << 16) /* Disable Read-Ahead */
229
230 #define isascii(c) (((c) & ~0x7F) == 0)
231
isupper(int c)232 static __inline int isupper(int c)
233 {
234 return c >= 'A' && c <= 'Z';
235 }
236
islower(int c)237 static __inline int islower(int c)
238 {
239 return c >= 'a' && c <= 'z';
240 }
241
isspace(int c)242 static __inline int isspace(int c)
243 {
244 return c == ' ' || (c >= 0x9 && c <= 0xd);
245 }
246
isdigit(int c)247 static __inline int isdigit(int c)
248 {
249 return c >= '0' && c <= '9';
250 }
251
isxdigit(int c)252 static __inline int isxdigit(int c)
253 {
254 return isdigit(c) || (c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F');
255 }
256
isalpha(int c)257 static __inline int isalpha(int c)
258 {
259 return isupper(c) || islower(c);
260 }
261
isalnum(int c)262 static __inline int isalnum(int c)
263 {
264 return isalpha(c) || isdigit(c);
265 }
266
iscntrl(int c)267 static __inline int iscntrl(int c)
268 {
269 return (c >= 0 && c < ' ') || c == 127;
270 }
271
isgraph(int c)272 static __inline int isgraph(int c)
273 {
274 return c >= '!' && c <= '~';
275 }
276
ispunct(int c)277 static __inline int ispunct(int c)
278 {
279 return (c >= '!' && c <= '/') || (c >= ':' && c <= '@') ||
280 (c >= '[' && c <= '`') || (c >= '{' && c <= '~');
281 }
282
isprint(int c)283 static __inline int isprint(int c)
284 {
285 return (c >= ' ') && (c <= '~');
286 }
287
toupper(int c)288 static __inline int toupper(int c)
289 {
290 return islower(c) ? c - 'a' + 'A' : c;
291 }
292
tolower(int c)293 static __inline int tolower(int c)
294 {
295 return isupper(c) ? c - 'A' + 'a' : c;
296 }
297
298 /* sbrk emulation */
299 extern void setheap(void *base, void *top);
300 extern char *sbrk(int incr);
301
302 extern int printf(const char *fmt, ...) __printflike(1, 2);
303 extern int asprintf(char **buf, const char *cfmt, ...) __printflike(2, 3);
304 extern int sprintf(char *buf, const char *cfmt, ...) __printflike(2, 3);
305 extern int snprintf(char *buf, size_t size, const char *cfmt, ...) __printflike(3, 4);
306 extern int vprintf(const char *fmt, __va_list);
307 extern int vsprintf(char *buf, const char *cfmt, __va_list);
308 extern int vsnprintf(char *buf, size_t size, const char *cfmt, __va_list);
309
310 extern void twiddle(u_int callerdiv);
311 extern void twiddle_divisor(u_int globaldiv);
312
313 extern void ngets(char *, int);
314 #define gets(x) ngets((x), 0)
315 extern int fgetstr(char *buf, int size, int fd);
316
317 extern int mount(const char *dev, const char *path, int flags, void *data);
318 extern int unmount(const char *dev, int flags);
319 extern int open(const char *, int);
320 #define O_RDONLY 0x0
321 #define O_WRONLY 0x1
322 #define O_RDWR 0x2
323 #define O_ACCMODE 0x3
324 /* NOT IMPLEMENTED */
325 #define O_CREAT 0x0200 /* create if nonexistent */
326 #define O_TRUNC 0x0400 /* truncate to zero length */
327 extern int close(int);
328 extern void closeall(void);
329 extern ssize_t read(int, void *, size_t);
330 extern ssize_t write(int, const void *, size_t);
331 extern int ioctl(int, u_long, void *);
332 extern struct dirent *readdirfd(int);
333 extern void preload(int);
334
335 extern void srandom(unsigned int);
336 extern long random(void);
337
338 /* imports from stdlib, locally modified */
339 extern char *optarg; /* getopt(3) external variables */
340 extern int optind, opterr, optopt, optreset;
341 extern int getopt(int, char * const [], const char *);
342
343 /* pager.c */
344 extern void pager_open(void);
345 extern void pager_close(void);
346 extern int pager_output(const char *lines);
347 extern int pager_file(const char *fname);
348
349 /* No signal state to preserve */
350 #define setjmp _setjmp
351 #define longjmp _longjmp
352
353 /* environment.c */
354 #define EV_DYNAMIC (1<<0) /* value was dynamically allocated, free if changed/unset */
355 #define EV_VOLATILE (1<<1) /* value is volatile, make a copy of it */
356 #define EV_NOHOOK (1<<2) /* don't call hook when setting */
357 #define EV_NOKENV (1<<3) /* don't add to kenv (loader-only) */
358
359 struct env_var;
360 typedef char *(ev_format_t)(struct env_var *ev);
361 typedef int (ev_sethook_t)(struct env_var *ev, int flags,
362 const void *value);
363 typedef int (ev_unsethook_t)(struct env_var *ev);
364
365 struct env_var
366 {
367 char *ev_name;
368 int ev_flags;
369 void *ev_value;
370 ev_sethook_t *ev_sethook;
371 ev_unsethook_t *ev_unsethook;
372 struct env_var *ev_next, *ev_prev;
373 };
374 extern struct env_var *environ;
375
376 extern struct env_var *env_getenv(const char *name);
377 extern int env_setenv(const char *name, int flags,
378 const void *value, ev_sethook_t sethook,
379 ev_unsethook_t unsethook);
380 extern void env_discard(struct env_var *);
381 extern char *getenv(const char *name);
382 extern int setenv(const char *name, const char *value,
383 int overwrite);
384 extern int putenv(char *string);
385 extern int unsetenv(const char *name);
386 extern bool is_restricted_var(const char *name);
387 extern void set_check_restricted(bool);
388 extern int boot_setenv(const char *name, const char *value);
389
390 extern ev_sethook_t env_noset; /* refuse set operation */
391 extern ev_unsethook_t env_nounset; /* refuse unset operation */
392
393 /* stdlib.h routines */
394 extern int abs(int a);
395 extern void abort(void) __dead2;
396 extern long strtol(const char * __restrict, char ** __restrict, int);
397 extern long long strtoll(const char * __restrict, char ** __restrict, int);
398 extern unsigned long strtoul(const char * __restrict, char ** __restrict, int);
399 extern unsigned long long strtoull(const char * __restrict, char ** __restrict, int);
400
401 /* BCD conversions (undocumented) */
402 extern u_char const bcd2bin_data[];
403 extern u_char const bin2bcd_data[];
404 extern char const hex2ascii_data[];
405
406 #define bcd2bin(bcd) (bcd2bin_data[bcd])
407 #define bin2bcd(bin) (bin2bcd_data[bin])
408 #define hex2ascii(hex) (hex2ascii_data[hex])
409 #define validbcd(bcd) (bcd == 0 || (bcd > 0 && bcd <= 0x99 && bcd2bin_data[bcd] != 0))
410
411 /* min/max (undocumented) */
imax(int a,int b)412 static __inline int imax(int a, int b) { return (a > b ? a : b); }
imin(int a,int b)413 static __inline int imin(int a, int b) { return (a < b ? a : b); }
lmax(long a,long b)414 static __inline long lmax(long a, long b) { return (a > b ? a : b); }
lmin(long a,long b)415 static __inline long lmin(long a, long b) { return (a < b ? a : b); }
max(u_int a,u_int b)416 static __inline u_int max(u_int a, u_int b) { return (a > b ? a : b); }
min(u_int a,u_int b)417 static __inline u_int min(u_int a, u_int b) { return (a < b ? a : b); }
qmax(quad_t a,quad_t b)418 static __inline quad_t qmax(quad_t a, quad_t b) { return (a > b ? a : b); }
qmin(quad_t a,quad_t b)419 static __inline quad_t qmin(quad_t a, quad_t b) { return (a < b ? a : b); }
ulmax(u_long a,u_long b)420 static __inline u_long ulmax(u_long a, u_long b) { return (a > b ? a : b); }
ulmin(u_long a,u_long b)421 static __inline u_long ulmin(u_long a, u_long b) { return (a < b ? a : b); }
422
423 /* null functions for device/filesystem switches (undocumented) */
424 extern int nodev(void);
425 extern int noioctl(struct open_file *, u_long, void *);
426 extern void nullsys(void);
427
428 extern int null_open(const char *path, struct open_file *f);
429 extern int null_close(struct open_file *f);
430 extern int null_read(struct open_file *f, void *buf, size_t size, size_t *resid);
431 extern int null_write(struct open_file *f, const void *buf, size_t size, size_t *resid);
432 extern off_t null_seek(struct open_file *f, off_t offset, int where);
433 extern int null_stat(struct open_file *f, struct stat *sb);
434 extern int null_readdir(struct open_file *f, struct dirent *d);
435
436
437 /*
438 * Machine dependent functions and data, must be provided or stubbed by
439 * the consumer
440 */
441 extern void exit(int) __dead2;
442 extern int getchar(void);
443 extern int ischar(void);
444 extern void putchar(int);
445 extern int devopen(struct open_file *, const char *, const char **);
446 extern int devclose(struct open_file *f);
447 extern void panic(const char *, ...) __dead2 __printflike(1, 2);
448 extern void panic_action(void) __weak_symbol __dead2;
449 extern time_t getsecs(void);
450 extern struct fs_ops *file_system[];
451 extern struct fs_ops *exclusive_file_system;
452 extern struct devsw *devsw[];
453
454 /*
455 * Time routines
456 */
457 time_t time(time_t *);
458
459 /*
460 * Expose byteorder(3) functions.
461 */
462 #ifndef _BYTEORDER_PROTOTYPED
463 #define _BYTEORDER_PROTOTYPED
464 extern uint32_t htonl(uint32_t);
465 extern uint16_t htons(uint16_t);
466 extern uint32_t ntohl(uint32_t);
467 extern uint16_t ntohs(uint16_t);
468 #endif
469
470 #ifndef _BYTEORDER_FUNC_DEFINED
471 #define _BYTEORDER_FUNC_DEFINED
472 #define htonl(x) __htonl(x)
473 #define htons(x) __htons(x)
474 #define ntohl(x) __ntohl(x)
475 #define ntohs(x) __ntohs(x)
476 #endif
477
478 void *Malloc(size_t, const char *, int);
479 void *Memalign(size_t, size_t, const char *, int);
480 void *Calloc(size_t, size_t, const char *, int);
481 void *Realloc(void *, size_t, const char *, int);
482 void *Reallocf(void *, size_t, const char *, int);
483 void Free(void *, const char *, int);
484 extern void mallocstats(void);
485
486 const char *x86_hypervisor(void);
487
488 #ifdef USER_MALLOC
489 extern void *malloc(size_t);
490 extern void *memalign(size_t, size_t);
491 extern void *calloc(size_t, size_t);
492 extern void free(void *);
493 extern void *realloc(void *, size_t);
494 extern void *reallocf(void *, size_t);
495 #elif defined(DEBUG_MALLOC)
496 #define malloc(x) Malloc(x, __FILE__, __LINE__)
497 #define memalign(x, y) Memalign(x, y, __FILE__, __LINE__)
498 #define calloc(x, y) Calloc(x, y, __FILE__, __LINE__)
499 #define free(x) Free(x, __FILE__, __LINE__)
500 #define realloc(x, y) Realloc(x, y, __FILE__, __LINE__)
501 #define reallocf(x, y) Reallocf(x, y, __FILE__, __LINE__)
502 #else
503 #define malloc(x) Malloc(x, NULL, 0)
504 #define memalign(x, y) Memalign(x, y, NULL, 0)
505 #define calloc(x, y) Calloc(x, y, NULL, 0)
506 #define free(x) Free(x, NULL, 0)
507 #define realloc(x, y) Realloc(x, y, NULL, 0)
508 #define reallocf(x, y) Reallocf(x, y, NULL, 0)
509 #endif
510
511 /*
512 * va <-> pa routines. MD code must supply.
513 */
514 caddr_t ptov(uintptr_t);
515
516 /* dev_net.c */
517 bool is_tftp(void);
518
519 /* features.c */
520 typedef void (feature_iter_fn)(void *, const char *, const char *, bool);
521
522 extern void feature_enable(uint32_t);
523 extern bool feature_name_is_enabled(const char *);
524 extern void feature_iter(feature_iter_fn *, void *);
525
526 /*
527 * Note that these should also be added to the mapping table in features.c,
528 * which the interpreter may query to provide details from. The name with
529 * FEATURE_ removed is assumed to be the name we'll provide in the loader
530 * features table, just to simplify reasoning about these.
531 */
532 #define FEATURE_EARLY_ACPI 0x0001
533
534 /* hexdump.c */
535 void hexdump(caddr_t region, size_t len);
536
537 /* nvstore.c */
538 typedef int (nvstore_getter_cb_t)(void *, const char *, void **);
539 typedef int (nvstore_setter_cb_t)(void *, int, const char *,
540 const void *, size_t);
541 typedef int (nvstore_setter_str_cb_t)(void *, const char *, const char *,
542 const char *);
543 typedef int (nvstore_unset_cb_t)(void *, const char *);
544 typedef int (nvstore_print_cb_t)(void *, void *);
545 typedef int (nvstore_iterate_cb_t)(void *, int (*)(void *, void *));
546
547 typedef struct nvs_callbacks {
548 nvstore_getter_cb_t *nvs_getter;
549 nvstore_setter_cb_t *nvs_setter;
550 nvstore_setter_str_cb_t *nvs_setter_str;
551 nvstore_unset_cb_t *nvs_unset;
552 nvstore_print_cb_t *nvs_print;
553 nvstore_iterate_cb_t *nvs_iterate;
554 } nvs_callbacks_t;
555
556 int nvstore_init(const char *, nvs_callbacks_t *, void *);
557 int nvstore_fini(const char *);
558 void *nvstore_get_store(const char *);
559 int nvstore_print(void *);
560 int nvstore_get_var(void *, const char *, void **);
561 int nvstore_set_var(void *, int, const char *, void *, size_t);
562 int nvstore_set_var_from_string(void *, const char *, const char *,
563 const char *);
564 int nvstore_unset_var(void *, const char *);
565
566 /* tslog.c */
567 #define TSRAW(a, b, c) tslog(a, b, c)
568 #define TSENTER() TSRAW("ENTER", __func__, NULL)
569 #define TSENTER2(x) TSRAW("ENTER", __func__, x)
570 #define TSEXIT() TSRAW("EXIT", __func__, NULL)
571 #define TSLINE() TSRAW("EVENT", __FILE__, __XSTRING(__LINE__))
572 void tslog(const char *, const char *, const char *);
573 void tslog_setbuf(void * buf, size_t len);
574 void tslog_getbuf(void ** buf, size_t * len);
575
576 __END_DECLS
577
578 /* define _DEBUG_LEVEL n or _DEBUG_LEVEL_VAR before include */
579 #ifndef DEBUG_PRINTF
580 # if defined(_DEBUG_LEVEL) || defined(_DEBUG_LEVEL_VAR)
581 # ifndef _DEBUG_LEVEL_VAR
582 # define _DEBUG_LEVEL_VAR _debug
583 static int _debug = _DEBUG_LEVEL;
584 # endif
585 # define DEBUG_PRINTF(n, args) if (_DEBUG_LEVEL_VAR >= n) printf args
586 # else
587 # define DEBUG_PRINTF(n, args)
588 # endif
589 #endif
590
591 #endif /* STAND_H */
592