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 dosfs_fsops;
134 extern struct fs_ops ext2fs_fsops;
135 extern struct fs_ops splitfs_fsops;
136 extern struct fs_ops pkgfs_fsops;
137 extern struct fs_ops efihttp_fsops;
138
139 /* where values for lseek(2) */
140 #define SEEK_SET 0 /* set file offset to offset */
141 #define SEEK_CUR 1 /* set file offset to current plus offset */
142 #define SEEK_END 2 /* set file offset to EOF plus offset */
143
144 /*
145 * Device switch
146 */
147 #define DEV_NAMLEN 8 /* Length of name of device class */
148 #define DEV_DEVLEN 128 /* Length of longest device instance name */
149 struct devdesc;
150 struct devsw {
151 const char dv_name[DEV_NAMLEN];
152 int dv_type; /* opaque type constant */
153 #define DEVT_NONE 0
154 #define DEVT_DISK 1
155 #define DEVT_NET 2
156 #define DEVT_CD 3
157 #define DEVT_ZFS 4
158 #define DEVT_FD 5
159 int (*dv_init)(void); /* early probe call */
160 int (*dv_strategy)(void *devdata, int rw, daddr_t blk,
161 size_t size, char *buf, size_t *rsize);
162 int (*dv_open)(struct open_file *f, ...);
163 int (*dv_close)(struct open_file *f);
164 int (*dv_ioctl)(struct open_file *f, u_long cmd, void *data);
165 int (*dv_print)(int verbose); /* print device information */
166 void (*dv_cleanup)(void);
167 char * (*dv_fmtdev)(struct devdesc *);
168 int (*dv_parsedev)(struct devdesc **, const char *, const char **);
169 bool (*dv_match)(struct devsw *, const char *);
170 };
171
172 /*
173 * libsa-supplied device switch
174 */
175 extern struct devsw netdev;
176
177 extern int errno;
178
179 /*
180 * Generic device specifier; architecture-dependent versions may be larger, but
181 * should be allowed to overlap. The larger device specifiers store more data
182 * than can fit in the generic one that's gleaned after parsing the device
183 * string, or used in some cases to indicate wildcards that match a variety of
184 * situations based on what's on the drive itself rather than what the progammer
185 * might know in advance. Information about open files is stored in d_opendata,
186 * though what's passed into the open routine may differ from what's present
187 * after the open on some configurations.
188 */
189 struct devdesc {
190 struct devsw *d_dev;
191 int d_unit;
192 void *d_opendata;
193 };
194
195 char *devformat(struct devdesc *d);
196 int devparse(struct devdesc **, const char *, const char **);
197 int devinit(void);
198 void dev_cleanup(void);
199
200 struct open_file {
201 int f_flags; /* see F_* below */
202 struct devsw *f_dev; /* pointer to device operations */
203 void *f_devdata; /* device specific data */
204 struct fs_ops *f_ops; /* pointer to file system operations */
205 void *f_fsdata; /* file system specific data */
206 off_t f_offset; /* current file offset */
207 char *f_rabuf; /* readahead buffer pointer */
208 size_t f_ralen; /* valid data in readahead buffer */
209 off_t f_raoffset; /* consumer offset in readahead buffer */
210 int f_id; /* file number */
211 TAILQ_ENTRY(open_file) f_link; /* next entry */
212 #define SOPEN_RASIZE 512
213 };
214
215 typedef TAILQ_HEAD(file_list, open_file) file_list_t;
216 extern file_list_t files;
217 extern struct open_file *fd2open_file(int);
218
219 /* f_flags values */
220 #define F_READ 0x0001 /* file opened for reading */
221 #define F_WRITE 0x0002 /* file opened for writing */
222 #define F_RAW 0x0004 /* raw device open - no file system */
223 #define F_NODEV 0x0008 /* network open - no device */
224 #define F_MASK 0xFFFF
225 /* Mode modifier for strategy() */
226 #define F_NORA (0x01 << 16) /* Disable Read-Ahead */
227
228 #define isascii(c) (((c) & ~0x7F) == 0)
229
isupper(int c)230 static __inline int isupper(int c)
231 {
232 return c >= 'A' && c <= 'Z';
233 }
234
islower(int c)235 static __inline int islower(int c)
236 {
237 return c >= 'a' && c <= 'z';
238 }
239
isspace(int c)240 static __inline int isspace(int c)
241 {
242 return c == ' ' || (c >= 0x9 && c <= 0xd);
243 }
244
isdigit(int c)245 static __inline int isdigit(int c)
246 {
247 return c >= '0' && c <= '9';
248 }
249
isxdigit(int c)250 static __inline int isxdigit(int c)
251 {
252 return isdigit(c) || (c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F');
253 }
254
isalpha(int c)255 static __inline int isalpha(int c)
256 {
257 return isupper(c) || islower(c);
258 }
259
isalnum(int c)260 static __inline int isalnum(int c)
261 {
262 return isalpha(c) || isdigit(c);
263 }
264
iscntrl(int c)265 static __inline int iscntrl(int c)
266 {
267 return (c >= 0 && c < ' ') || c == 127;
268 }
269
isgraph(int c)270 static __inline int isgraph(int c)
271 {
272 return c >= '!' && c <= '~';
273 }
274
ispunct(int c)275 static __inline int ispunct(int c)
276 {
277 return (c >= '!' && c <= '/') || (c >= ':' && c <= '@') ||
278 (c >= '[' && c <= '`') || (c >= '{' && c <= '~');
279 }
280
isprint(int c)281 static __inline int isprint(int c)
282 {
283 return (c >= ' ') && (c <= '~');
284 }
285
toupper(int c)286 static __inline int toupper(int c)
287 {
288 return islower(c) ? c - 'a' + 'A' : c;
289 }
290
tolower(int c)291 static __inline int tolower(int c)
292 {
293 return isupper(c) ? c - 'A' + 'a' : c;
294 }
295
296 /* sbrk emulation */
297 extern void setheap(void *base, void *top);
298 extern char *sbrk(int incr);
299
300 extern int printf(const char *fmt, ...) __printflike(1, 2);
301 extern int asprintf(char **buf, const char *cfmt, ...) __printflike(2, 3);
302 extern int sprintf(char *buf, const char *cfmt, ...) __printflike(2, 3);
303 extern int snprintf(char *buf, size_t size, const char *cfmt, ...) __printflike(3, 4);
304 extern int vprintf(const char *fmt, __va_list);
305 extern int vsprintf(char *buf, const char *cfmt, __va_list);
306 extern int vsnprintf(char *buf, size_t size, const char *cfmt, __va_list);
307
308 extern void twiddle(u_int callerdiv);
309 extern void twiddle_divisor(u_int globaldiv);
310
311 extern void ngets(char *, int);
312 #define gets(x) ngets((x), 0)
313 extern int fgetstr(char *buf, int size, int fd);
314
315 extern int mount(const char *dev, const char *path, int flags, void *data);
316 extern int unmount(const char *dev, int flags);
317 extern int open(const char *, int);
318 #define O_RDONLY 0x0
319 #define O_WRONLY 0x1
320 #define O_RDWR 0x2
321 #define O_ACCMODE 0x3
322 /* NOT IMPLEMENTED */
323 #define O_CREAT 0x0200 /* create if nonexistent */
324 #define O_TRUNC 0x0400 /* truncate to zero length */
325 extern int close(int);
326 extern void closeall(void);
327 extern ssize_t read(int, void *, size_t);
328 extern ssize_t write(int, const void *, size_t);
329 extern int ioctl(int, u_long, void *);
330 extern struct dirent *readdirfd(int);
331 extern void preload(int);
332
333 extern void srandom(unsigned int);
334 extern long random(void);
335
336 /* imports from stdlib, locally modified */
337 extern char *optarg; /* getopt(3) external variables */
338 extern int optind, opterr, optopt, optreset;
339 extern int getopt(int, char * const [], const char *);
340
341 /* pager.c */
342 extern void pager_open(void);
343 extern void pager_close(void);
344 extern int pager_output(const char *lines);
345 extern int pager_file(const char *fname);
346
347 /* No signal state to preserve */
348 #define setjmp _setjmp
349 #define longjmp _longjmp
350
351 /* environment.c */
352 #define EV_DYNAMIC (1<<0) /* value was dynamically allocated, free if changed/unset */
353 #define EV_VOLATILE (1<<1) /* value is volatile, make a copy of it */
354 #define EV_NOHOOK (1<<2) /* don't call hook when setting */
355 #define EV_NOKENV (1<<3) /* don't add to kenv (loader-only) */
356
357 struct env_var;
358 typedef char *(ev_format_t)(struct env_var *ev);
359 typedef int (ev_sethook_t)(struct env_var *ev, int flags,
360 const void *value);
361 typedef int (ev_unsethook_t)(struct env_var *ev);
362
363 struct env_var
364 {
365 char *ev_name;
366 int ev_flags;
367 void *ev_value;
368 ev_sethook_t *ev_sethook;
369 ev_unsethook_t *ev_unsethook;
370 struct env_var *ev_next, *ev_prev;
371 };
372 extern struct env_var *environ;
373
374 extern struct env_var *env_getenv(const char *name);
375 extern int env_setenv(const char *name, int flags,
376 const void *value, ev_sethook_t sethook,
377 ev_unsethook_t unsethook);
378 extern void env_discard(struct env_var *);
379 extern char *getenv(const char *name);
380 extern int setenv(const char *name, const char *value,
381 int overwrite);
382 extern int putenv(char *string);
383 extern int unsetenv(const char *name);
384
385 extern ev_sethook_t env_noset; /* refuse set operation */
386 extern ev_unsethook_t env_nounset; /* refuse unset operation */
387
388 /* stdlib.h routines */
389 extern int abs(int a);
390 extern void abort(void) __dead2;
391 extern long strtol(const char * __restrict, char ** __restrict, int);
392 extern long long strtoll(const char * __restrict, char ** __restrict, int);
393 extern unsigned long strtoul(const char * __restrict, char ** __restrict, int);
394 extern unsigned long long strtoull(const char * __restrict, char ** __restrict, int);
395
396 /* BCD conversions (undocumented) */
397 extern u_char const bcd2bin_data[];
398 extern u_char const bin2bcd_data[];
399 extern char const hex2ascii_data[];
400
401 #define bcd2bin(bcd) (bcd2bin_data[bcd])
402 #define bin2bcd(bin) (bin2bcd_data[bin])
403 #define hex2ascii(hex) (hex2ascii_data[hex])
404 #define validbcd(bcd) (bcd == 0 || (bcd > 0 && bcd <= 0x99 && bcd2bin_data[bcd] != 0))
405
406 /* min/max (undocumented) */
imax(int a,int b)407 static __inline int imax(int a, int b) { return (a > b ? a : b); }
imin(int a,int b)408 static __inline int imin(int a, int b) { return (a < b ? a : b); }
lmax(long a,long b)409 static __inline long lmax(long a, long b) { return (a > b ? a : b); }
lmin(long a,long b)410 static __inline long lmin(long a, long b) { return (a < b ? a : b); }
max(u_int a,u_int b)411 static __inline u_int max(u_int a, u_int b) { return (a > b ? a : b); }
min(u_int a,u_int b)412 static __inline u_int min(u_int a, u_int b) { return (a < b ? a : b); }
qmax(quad_t a,quad_t b)413 static __inline quad_t qmax(quad_t a, quad_t b) { return (a > b ? a : b); }
qmin(quad_t a,quad_t b)414 static __inline quad_t qmin(quad_t a, quad_t b) { return (a < b ? a : b); }
ulmax(u_long a,u_long b)415 static __inline u_long ulmax(u_long a, u_long b) { return (a > b ? a : b); }
ulmin(u_long a,u_long b)416 static __inline u_long ulmin(u_long a, u_long b) { return (a < b ? a : b); }
417
418 /* null functions for device/filesystem switches (undocumented) */
419 extern int nodev(void);
420 extern int noioctl(struct open_file *, u_long, void *);
421 extern void nullsys(void);
422
423 extern int null_open(const char *path, struct open_file *f);
424 extern int null_close(struct open_file *f);
425 extern int null_read(struct open_file *f, void *buf, size_t size, size_t *resid);
426 extern int null_write(struct open_file *f, const void *buf, size_t size, size_t *resid);
427 extern off_t null_seek(struct open_file *f, off_t offset, int where);
428 extern int null_stat(struct open_file *f, struct stat *sb);
429 extern int null_readdir(struct open_file *f, struct dirent *d);
430
431
432 /*
433 * Machine dependent functions and data, must be provided or stubbed by
434 * the consumer
435 */
436 extern void exit(int) __dead2;
437 extern int getchar(void);
438 extern int ischar(void);
439 extern void putchar(int);
440 extern int devopen(struct open_file *, const char *, const char **);
441 extern int devclose(struct open_file *f);
442 extern void panic(const char *, ...) __dead2 __printflike(1, 2);
443 extern void panic_action(void) __weak_symbol __dead2;
444 extern time_t getsecs(void);
445 extern struct fs_ops *file_system[];
446 extern struct fs_ops *exclusive_file_system;
447 extern struct devsw *devsw[];
448
449 /*
450 * Time routines
451 */
452 time_t time(time_t *);
453
454 /*
455 * Expose byteorder(3) functions.
456 */
457 #ifndef _BYTEORDER_PROTOTYPED
458 #define _BYTEORDER_PROTOTYPED
459 extern uint32_t htonl(uint32_t);
460 extern uint16_t htons(uint16_t);
461 extern uint32_t ntohl(uint32_t);
462 extern uint16_t ntohs(uint16_t);
463 #endif
464
465 #ifndef _BYTEORDER_FUNC_DEFINED
466 #define _BYTEORDER_FUNC_DEFINED
467 #define htonl(x) __htonl(x)
468 #define htons(x) __htons(x)
469 #define ntohl(x) __ntohl(x)
470 #define ntohs(x) __ntohs(x)
471 #endif
472
473 void *Malloc(size_t, const char *, int);
474 void *Memalign(size_t, size_t, const char *, int);
475 void *Calloc(size_t, size_t, const char *, int);
476 void *Realloc(void *, size_t, const char *, int);
477 void *Reallocf(void *, size_t, const char *, int);
478 void Free(void *, const char *, int);
479 extern void mallocstats(void);
480
481 const char *x86_hypervisor(void);
482
483 #ifdef USER_MALLOC
484 extern void *malloc(size_t);
485 extern void *memalign(size_t, size_t);
486 extern void *calloc(size_t, size_t);
487 extern void free(void *);
488 extern void *realloc(void *, size_t);
489 extern void *reallocf(void *, size_t);
490 #elif defined(DEBUG_MALLOC)
491 #define malloc(x) Malloc(x, __FILE__, __LINE__)
492 #define memalign(x, y) Memalign(x, y, __FILE__, __LINE__)
493 #define calloc(x, y) Calloc(x, y, __FILE__, __LINE__)
494 #define free(x) Free(x, __FILE__, __LINE__)
495 #define realloc(x, y) Realloc(x, y, __FILE__, __LINE__)
496 #define reallocf(x, y) Reallocf(x, y, __FILE__, __LINE__)
497 #else
498 #define malloc(x) Malloc(x, NULL, 0)
499 #define memalign(x, y) Memalign(x, y, NULL, 0)
500 #define calloc(x, y) Calloc(x, y, NULL, 0)
501 #define free(x) Free(x, NULL, 0)
502 #define realloc(x, y) Realloc(x, y, NULL, 0)
503 #define reallocf(x, y) Reallocf(x, y, NULL, 0)
504 #endif
505
506 /*
507 * va <-> pa routines. MD code must supply.
508 */
509 caddr_t ptov(uintptr_t);
510
511 /* dev_net.c */
512 bool is_tftp(void);
513
514 /* features.c */
515 typedef void (feature_iter_fn)(void *, const char *, const char *, bool);
516
517 extern void feature_enable(uint32_t);
518 extern bool feature_name_is_enabled(const char *);
519 extern void feature_iter(feature_iter_fn *, void *);
520
521 /*
522 * Note that these should also be added to the mapping table in features.c,
523 * which the interpreter may query to provide details from. The name with
524 * FEATURE_ removed is assumed to be the name we'll provide in the loader
525 * features table, just to simplify reasoning about these.
526 */
527 #define FEATURE_EARLY_ACPI 0x0001
528
529 /* hexdump.c */
530 void hexdump(caddr_t region, size_t len);
531
532 /* nvstore.c */
533 typedef int (nvstore_getter_cb_t)(void *, const char *, void **);
534 typedef int (nvstore_setter_cb_t)(void *, int, const char *,
535 const void *, size_t);
536 typedef int (nvstore_setter_str_cb_t)(void *, const char *, const char *,
537 const char *);
538 typedef int (nvstore_unset_cb_t)(void *, const char *);
539 typedef int (nvstore_print_cb_t)(void *, void *);
540 typedef int (nvstore_iterate_cb_t)(void *, int (*)(void *, void *));
541
542 typedef struct nvs_callbacks {
543 nvstore_getter_cb_t *nvs_getter;
544 nvstore_setter_cb_t *nvs_setter;
545 nvstore_setter_str_cb_t *nvs_setter_str;
546 nvstore_unset_cb_t *nvs_unset;
547 nvstore_print_cb_t *nvs_print;
548 nvstore_iterate_cb_t *nvs_iterate;
549 } nvs_callbacks_t;
550
551 int nvstore_init(const char *, nvs_callbacks_t *, void *);
552 int nvstore_fini(const char *);
553 void *nvstore_get_store(const char *);
554 int nvstore_print(void *);
555 int nvstore_get_var(void *, const char *, void **);
556 int nvstore_set_var(void *, int, const char *, void *, size_t);
557 int nvstore_set_var_from_string(void *, const char *, const char *,
558 const char *);
559 int nvstore_unset_var(void *, const char *);
560
561 /* tslog.c */
562 #define TSRAW(a, b, c) tslog(a, b, c)
563 #define TSENTER() TSRAW("ENTER", __func__, NULL)
564 #define TSENTER2(x) TSRAW("ENTER", __func__, x)
565 #define TSEXIT() TSRAW("EXIT", __func__, NULL)
566 #define TSLINE() TSRAW("EVENT", __FILE__, __XSTRING(__LINE__))
567 void tslog(const char *, const char *, const char *);
568 void tslog_setbuf(void * buf, size_t len);
569 void tslog_getbuf(void ** buf, size_t * len);
570
571 __END_DECLS
572
573 /* define _DEBUG_LEVEL n or _DEBUG_LEVEL_VAR before include */
574 #ifndef DEBUG_PRINTF
575 # if defined(_DEBUG_LEVEL) || defined(_DEBUG_LEVEL_VAR)
576 # ifndef _DEBUG_LEVEL_VAR
577 # define _DEBUG_LEVEL_VAR _debug
578 static int _debug = _DEBUG_LEVEL;
579 # endif
580 # define DEBUG_PRINTF(n, args) if (_DEBUG_LEVEL_VAR >= n) printf args
581 # else
582 # define DEBUG_PRINTF(n, args)
583 # endif
584 #endif
585
586 #endif /* STAND_H */
587