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 /*
98 * This structure is used to define file system operations in a file system
99 * independent way.
100 *
101 * XXX note that filesystem providers should export a pointer to their fs_ops
102 * struct, so that consumers can reference this and thus include the
103 * filesystems that they require.
104 */
105 struct fs_ops {
106 const char *fs_name;
107 int (*fo_open)(const char *path, struct open_file *f);
108 int (*fo_close)(struct open_file *f);
109 int (*fo_read)(struct open_file *f, void *buf,
110 size_t size, size_t *resid);
111 int (*fo_write)(struct open_file *f, const void *buf,
112 size_t size, size_t *resid);
113 off_t (*fo_seek)(struct open_file *f, off_t offset, int where);
114 int (*fo_stat)(struct open_file *f, struct stat *sb);
115 int (*fo_readdir)(struct open_file *f, struct dirent *d);
116 int (*fo_preload)(struct open_file *f);
117 int (*fo_mount)(const char *, const char *, void **);
118 int (*fo_unmount)(const char *, void *);
119 };
120
121 /*
122 * libsa-supplied filesystems
123 */
124 extern struct fs_ops ufs_fsops;
125 extern struct fs_ops tftp_fsops;
126 extern struct fs_ops nfs_fsops;
127 extern struct fs_ops cd9660_fsops;
128 extern struct fs_ops gzipfs_fsops;
129 extern struct fs_ops bzipfs_fsops;
130 extern struct fs_ops dosfs_fsops;
131 extern struct fs_ops ext2fs_fsops;
132 extern struct fs_ops splitfs_fsops;
133 extern struct fs_ops pkgfs_fsops;
134 extern struct fs_ops efihttp_fsops;
135
136 /* where values for lseek(2) */
137 #define SEEK_SET 0 /* set file offset to offset */
138 #define SEEK_CUR 1 /* set file offset to current plus offset */
139 #define SEEK_END 2 /* set file offset to EOF plus offset */
140
141 /*
142 * Device switch
143 */
144 #define DEV_NAMLEN 8 /* Length of name of device class */
145 #define DEV_DEVLEN 128 /* Length of longest device instance name */
146 struct devdesc;
147 struct devsw {
148 const char dv_name[DEV_NAMLEN];
149 int dv_type; /* opaque type constant */
150 #define DEVT_NONE 0
151 #define DEVT_DISK 1
152 #define DEVT_NET 2
153 #define DEVT_CD 3
154 #define DEVT_ZFS 4
155 #define DEVT_FD 5
156 int (*dv_init)(void); /* early probe call */
157 int (*dv_strategy)(void *devdata, int rw, daddr_t blk,
158 size_t size, char *buf, size_t *rsize);
159 int (*dv_open)(struct open_file *f, ...);
160 int (*dv_close)(struct open_file *f);
161 int (*dv_ioctl)(struct open_file *f, u_long cmd, void *data);
162 int (*dv_print)(int verbose); /* print device information */
163 void (*dv_cleanup)(void);
164 char * (*dv_fmtdev)(struct devdesc *);
165 int (*dv_parsedev)(struct devdesc **, const char *, const char **);
166 bool (*dv_match)(struct devsw *, const char *);
167 };
168
169 /*
170 * libsa-supplied device switch
171 */
172 extern struct devsw netdev;
173
174 extern int errno;
175
176 /*
177 * Generic device specifier; architecture-dependent versions may be larger, but
178 * should be allowed to overlap. The larger device specifiers store more data
179 * than can fit in the generic one that's gleaned after parsing the device
180 * string, or used in some cases to indicate wildcards that match a variety of
181 * situations based on what's on the drive itself rather than what the progammer
182 * might know in advance. Information about open files is stored in d_opendata,
183 * though what's passed into the open routine may differ from what's present
184 * after the open on some configurations.
185 */
186 struct devdesc {
187 struct devsw *d_dev;
188 int d_unit;
189 void *d_opendata;
190 };
191
192 char *devformat(struct devdesc *d);
193 int devparse(struct devdesc **, const char *, const char **);
194 int devinit(void);
195 void dev_cleanup(void);
196
197 struct open_file {
198 int f_flags; /* see F_* below */
199 struct devsw *f_dev; /* pointer to device operations */
200 void *f_devdata; /* device specific data */
201 struct fs_ops *f_ops; /* pointer to file system operations */
202 void *f_fsdata; /* file system specific data */
203 off_t f_offset; /* current file offset */
204 char *f_rabuf; /* readahead buffer pointer */
205 size_t f_ralen; /* valid data in readahead buffer */
206 off_t f_raoffset; /* consumer offset in readahead buffer */
207 int f_id; /* file number */
208 TAILQ_ENTRY(open_file) f_link; /* next entry */
209 #define SOPEN_RASIZE 512
210 };
211
212 typedef TAILQ_HEAD(file_list, open_file) file_list_t;
213 extern file_list_t files;
214 extern struct open_file *fd2open_file(int);
215
216 /* f_flags values */
217 #define F_READ 0x0001 /* file opened for reading */
218 #define F_WRITE 0x0002 /* file opened for writing */
219 #define F_RAW 0x0004 /* raw device open - no file system */
220 #define F_NODEV 0x0008 /* network open - no device */
221 #define F_MASK 0xFFFF
222 /* Mode modifier for strategy() */
223 #define F_NORA (0x01 << 16) /* Disable Read-Ahead */
224
225 #define isascii(c) (((c) & ~0x7F) == 0)
226
isupper(int c)227 static __inline int isupper(int c)
228 {
229 return c >= 'A' && c <= 'Z';
230 }
231
islower(int c)232 static __inline int islower(int c)
233 {
234 return c >= 'a' && c <= 'z';
235 }
236
isspace(int c)237 static __inline int isspace(int c)
238 {
239 return c == ' ' || (c >= 0x9 && c <= 0xd);
240 }
241
isdigit(int c)242 static __inline int isdigit(int c)
243 {
244 return c >= '0' && c <= '9';
245 }
246
isxdigit(int c)247 static __inline int isxdigit(int c)
248 {
249 return isdigit(c) || (c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F');
250 }
251
isalpha(int c)252 static __inline int isalpha(int c)
253 {
254 return isupper(c) || islower(c);
255 }
256
isalnum(int c)257 static __inline int isalnum(int c)
258 {
259 return isalpha(c) || isdigit(c);
260 }
261
iscntrl(int c)262 static __inline int iscntrl(int c)
263 {
264 return (c >= 0 && c < ' ') || c == 127;
265 }
266
isgraph(int c)267 static __inline int isgraph(int c)
268 {
269 return c >= '!' && c <= '~';
270 }
271
ispunct(int c)272 static __inline int ispunct(int c)
273 {
274 return (c >= '!' && c <= '/') || (c >= ':' && c <= '@') ||
275 (c >= '[' && c <= '`') || (c >= '{' && c <= '~');
276 }
277
isprint(int c)278 static __inline int isprint(int c)
279 {
280 return (c >= ' ') && (c <= '~');
281 }
282
toupper(int c)283 static __inline int toupper(int c)
284 {
285 return islower(c) ? c - 'a' + 'A' : c;
286 }
287
tolower(int c)288 static __inline int tolower(int c)
289 {
290 return isupper(c) ? c - 'A' + 'a' : c;
291 }
292
293 /* sbrk emulation */
294 extern void setheap(void *base, void *top);
295 extern char *sbrk(int incr);
296
297 extern int printf(const char *fmt, ...) __printflike(1, 2);
298 extern int asprintf(char **buf, const char *cfmt, ...) __printflike(2, 3);
299 extern int sprintf(char *buf, const char *cfmt, ...) __printflike(2, 3);
300 extern int snprintf(char *buf, size_t size, const char *cfmt, ...) __printflike(3, 4);
301 extern int vprintf(const char *fmt, __va_list);
302 extern int vsprintf(char *buf, const char *cfmt, __va_list);
303 extern int vsnprintf(char *buf, size_t size, const char *cfmt, __va_list);
304
305 extern void twiddle(u_int callerdiv);
306 extern void twiddle_divisor(u_int globaldiv);
307
308 extern void ngets(char *, int);
309 #define gets(x) ngets((x), 0)
310 extern int fgetstr(char *buf, int size, int fd);
311
312 extern int mount(const char *dev, const char *path, int flags, void *data);
313 extern int unmount(const char *dev, int flags);
314 extern int open(const char *, int);
315 #define O_RDONLY 0x0
316 #define O_WRONLY 0x1
317 #define O_RDWR 0x2
318 #define O_ACCMODE 0x3
319 /* NOT IMPLEMENTED */
320 #define O_CREAT 0x0200 /* create if nonexistent */
321 #define O_TRUNC 0x0400 /* truncate to zero length */
322 extern int close(int);
323 extern void closeall(void);
324 extern ssize_t read(int, void *, size_t);
325 extern ssize_t write(int, const void *, size_t);
326 extern int ioctl(int, u_long, void *);
327 extern struct dirent *readdirfd(int);
328 extern void preload(int);
329
330 extern void srandom(unsigned int);
331 extern long random(void);
332
333 /* imports from stdlib, locally modified */
334 extern char *optarg; /* getopt(3) external variables */
335 extern int optind, opterr, optopt, optreset;
336 extern int getopt(int, char * const [], const char *);
337
338 /* pager.c */
339 extern void pager_open(void);
340 extern void pager_close(void);
341 extern int pager_output(const char *lines);
342 extern int pager_file(const char *fname);
343
344 /* No signal state to preserve */
345 #define setjmp _setjmp
346 #define longjmp _longjmp
347
348 /* environment.c */
349 #define EV_DYNAMIC (1<<0) /* value was dynamically allocated, free if changed/unset */
350 #define EV_VOLATILE (1<<1) /* value is volatile, make a copy of it */
351 #define EV_NOHOOK (1<<2) /* don't call hook when setting */
352
353 struct env_var;
354 typedef char *(ev_format_t)(struct env_var *ev);
355 typedef int (ev_sethook_t)(struct env_var *ev, int flags,
356 const void *value);
357 typedef int (ev_unsethook_t)(struct env_var *ev);
358
359 struct env_var
360 {
361 char *ev_name;
362 int ev_flags;
363 void *ev_value;
364 ev_sethook_t *ev_sethook;
365 ev_unsethook_t *ev_unsethook;
366 struct env_var *ev_next, *ev_prev;
367 };
368 extern struct env_var *environ;
369
370 extern struct env_var *env_getenv(const char *name);
371 extern int env_setenv(const char *name, int flags,
372 const void *value, ev_sethook_t sethook,
373 ev_unsethook_t unsethook);
374 extern void env_discard(struct env_var *);
375 extern char *getenv(const char *name);
376 extern int setenv(const char *name, const char *value,
377 int overwrite);
378 extern int putenv(char *string);
379 extern int unsetenv(const char *name);
380
381 extern ev_sethook_t env_noset; /* refuse set operation */
382 extern ev_unsethook_t env_nounset; /* refuse unset operation */
383
384 /* stdlib.h routines */
385 extern int abs(int a);
386 extern void abort(void) __dead2;
387 extern long strtol(const char * __restrict, char ** __restrict, int);
388 extern long long strtoll(const char * __restrict, char ** __restrict, int);
389 extern unsigned long strtoul(const char * __restrict, char ** __restrict, int);
390 extern unsigned long long strtoull(const char * __restrict, char ** __restrict, int);
391
392 /* BCD conversions (undocumented) */
393 extern u_char const bcd2bin_data[];
394 extern u_char const bin2bcd_data[];
395 extern char const hex2ascii_data[];
396
397 #define bcd2bin(bcd) (bcd2bin_data[bcd])
398 #define bin2bcd(bin) (bin2bcd_data[bin])
399 #define hex2ascii(hex) (hex2ascii_data[hex])
400 #define validbcd(bcd) (bcd == 0 || (bcd > 0 && bcd <= 0x99 && bcd2bin_data[bcd] != 0))
401
402 /* min/max (undocumented) */
imax(int a,int b)403 static __inline int imax(int a, int b) { return (a > b ? a : b); }
imin(int a,int b)404 static __inline int imin(int a, int b) { return (a < b ? a : b); }
lmax(long a,long b)405 static __inline long lmax(long a, long b) { return (a > b ? a : b); }
lmin(long a,long b)406 static __inline long lmin(long a, long b) { return (a < b ? a : b); }
max(u_int a,u_int b)407 static __inline u_int max(u_int a, u_int b) { return (a > b ? a : b); }
min(u_int a,u_int b)408 static __inline u_int min(u_int a, u_int b) { return (a < b ? a : b); }
qmax(quad_t a,quad_t b)409 static __inline quad_t qmax(quad_t a, quad_t b) { return (a > b ? a : b); }
qmin(quad_t a,quad_t b)410 static __inline quad_t qmin(quad_t a, quad_t b) { return (a < b ? a : b); }
ulmax(u_long a,u_long b)411 static __inline u_long ulmax(u_long a, u_long b) { return (a > b ? a : b); }
ulmin(u_long a,u_long b)412 static __inline u_long ulmin(u_long a, u_long b) { return (a < b ? a : b); }
413
414 /* null functions for device/filesystem switches (undocumented) */
415 extern int nodev(void);
416 extern int noioctl(struct open_file *, u_long, void *);
417 extern void nullsys(void);
418
419 extern int null_open(const char *path, struct open_file *f);
420 extern int null_close(struct open_file *f);
421 extern int null_read(struct open_file *f, void *buf, size_t size, size_t *resid);
422 extern int null_write(struct open_file *f, const void *buf, size_t size, size_t *resid);
423 extern off_t null_seek(struct open_file *f, off_t offset, int where);
424 extern int null_stat(struct open_file *f, struct stat *sb);
425 extern int null_readdir(struct open_file *f, struct dirent *d);
426
427
428 /*
429 * Machine dependent functions and data, must be provided or stubbed by
430 * the consumer
431 */
432 extern void exit(int) __dead2;
433 extern int getchar(void);
434 extern int ischar(void);
435 extern void putchar(int);
436 extern int devopen(struct open_file *, const char *, const char **);
437 extern int devclose(struct open_file *f);
438 extern void panic(const char *, ...) __dead2 __printflike(1, 2);
439 extern void panic_action(void) __weak_symbol __dead2;
440 extern time_t getsecs(void);
441 extern struct fs_ops *file_system[];
442 extern struct fs_ops *exclusive_file_system;
443 extern struct devsw *devsw[];
444
445 /*
446 * Time routines
447 */
448 time_t time(time_t *);
449
450 /*
451 * Expose byteorder(3) functions.
452 */
453 #ifndef _BYTEORDER_PROTOTYPED
454 #define _BYTEORDER_PROTOTYPED
455 extern uint32_t htonl(uint32_t);
456 extern uint16_t htons(uint16_t);
457 extern uint32_t ntohl(uint32_t);
458 extern uint16_t ntohs(uint16_t);
459 #endif
460
461 #ifndef _BYTEORDER_FUNC_DEFINED
462 #define _BYTEORDER_FUNC_DEFINED
463 #define htonl(x) __htonl(x)
464 #define htons(x) __htons(x)
465 #define ntohl(x) __ntohl(x)
466 #define ntohs(x) __ntohs(x)
467 #endif
468
469 void *Malloc(size_t, const char *, int);
470 void *Memalign(size_t, size_t, const char *, int);
471 void *Calloc(size_t, size_t, const char *, int);
472 void *Realloc(void *, size_t, const char *, int);
473 void *Reallocf(void *, size_t, const char *, int);
474 void Free(void *, const char *, int);
475 extern void mallocstats(void);
476
477 const char *x86_hypervisor(void);
478
479 #ifdef USER_MALLOC
480 extern void *malloc(size_t);
481 extern void *memalign(size_t, size_t);
482 extern void *calloc(size_t, size_t);
483 extern void free(void *);
484 extern void *realloc(void *, size_t);
485 extern void *reallocf(void *, size_t);
486 #elif defined(DEBUG_MALLOC)
487 #define malloc(x) Malloc(x, __FILE__, __LINE__)
488 #define memalign(x, y) Memalign(x, y, __FILE__, __LINE__)
489 #define calloc(x, y) Calloc(x, y, __FILE__, __LINE__)
490 #define free(x) Free(x, __FILE__, __LINE__)
491 #define realloc(x, y) Realloc(x, y, __FILE__, __LINE__)
492 #define reallocf(x, y) Reallocf(x, y, __FILE__, __LINE__)
493 #else
494 #define malloc(x) Malloc(x, NULL, 0)
495 #define memalign(x, y) Memalign(x, y, NULL, 0)
496 #define calloc(x, y) Calloc(x, y, NULL, 0)
497 #define free(x) Free(x, NULL, 0)
498 #define realloc(x, y) Realloc(x, y, NULL, 0)
499 #define reallocf(x, y) Reallocf(x, y, NULL, 0)
500 #endif
501
502 /*
503 * va <-> pa routines. MD code must supply.
504 */
505 caddr_t ptov(uintptr_t);
506
507 /* features.c */
508 typedef void (feature_iter_fn)(void *, const char *, const char *, bool);
509
510 extern void feature_enable(uint32_t);
511 extern bool feature_name_is_enabled(const char *);
512 extern void feature_iter(feature_iter_fn *, void *);
513
514 /*
515 * Note that these should also be added to the mapping table in features.c,
516 * which the interpreter may query to provide details from. The name with
517 * FEATURE_ removed is assumed to be the name we'll provide in the loader
518 * features table, just to simplify reasoning about these.
519 */
520 #define FEATURE_EARLY_ACPI 0x0001
521
522 /* hexdump.c */
523 void hexdump(caddr_t region, size_t len);
524
525 /* nvstore.c */
526 typedef int (nvstore_getter_cb_t)(void *, const char *, void **);
527 typedef int (nvstore_setter_cb_t)(void *, int, const char *,
528 const void *, size_t);
529 typedef int (nvstore_setter_str_cb_t)(void *, const char *, const char *,
530 const char *);
531 typedef int (nvstore_unset_cb_t)(void *, const char *);
532 typedef int (nvstore_print_cb_t)(void *, void *);
533 typedef int (nvstore_iterate_cb_t)(void *, int (*)(void *, void *));
534
535 typedef struct nvs_callbacks {
536 nvstore_getter_cb_t *nvs_getter;
537 nvstore_setter_cb_t *nvs_setter;
538 nvstore_setter_str_cb_t *nvs_setter_str;
539 nvstore_unset_cb_t *nvs_unset;
540 nvstore_print_cb_t *nvs_print;
541 nvstore_iterate_cb_t *nvs_iterate;
542 } nvs_callbacks_t;
543
544 int nvstore_init(const char *, nvs_callbacks_t *, void *);
545 int nvstore_fini(const char *);
546 void *nvstore_get_store(const char *);
547 int nvstore_print(void *);
548 int nvstore_get_var(void *, const char *, void **);
549 int nvstore_set_var(void *, int, const char *, void *, size_t);
550 int nvstore_set_var_from_string(void *, const char *, const char *,
551 const char *);
552 int nvstore_unset_var(void *, const char *);
553
554 /* tslog.c */
555 #define TSRAW(a, b, c) tslog(a, b, c)
556 #define TSENTER() TSRAW("ENTER", __func__, NULL)
557 #define TSENTER2(x) TSRAW("ENTER", __func__, x)
558 #define TSEXIT() TSRAW("EXIT", __func__, NULL)
559 #define TSLINE() TSRAW("EVENT", __FILE__, __XSTRING(__LINE__))
560 void tslog(const char *, const char *, const char *);
561 void tslog_setbuf(void * buf, size_t len);
562 void tslog_getbuf(void ** buf, size_t * len);
563
564 __END_DECLS
565
566 /* define _DEBUG_LEVEL n or _DEBUG_LEVEL_VAR before include */
567 #ifndef DEBUG_PRINTF
568 # if defined(_DEBUG_LEVEL) || defined(_DEBUG_LEVEL_VAR)
569 # ifndef _DEBUG_LEVEL_VAR
570 # define _DEBUG_LEVEL_VAR _debug
571 static int _debug = _DEBUG_LEVEL;
572 # endif
573 # define DEBUG_PRINTF(n, args) if (_DEBUG_LEVEL_VAR >= n) printf args
574 # else
575 # define DEBUG_PRINTF(n, args)
576 # endif
577 #endif
578
579 #endif /* STAND_H */
580