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 default_parsedev(struct devdesc **, const char *, const char **); 200 int parse_uri(const char *, int *, char **, int *, const char **); 201 int devinit(void); 202 void dev_cleanup(void); 203 204 struct open_file { 205 int f_flags; /* see F_* below */ 206 struct devsw *f_dev; /* pointer to device operations */ 207 void *f_devdata; /* device specific data */ 208 struct fs_ops *f_ops; /* pointer to file system operations */ 209 void *f_fsdata; /* file system specific data */ 210 off_t f_offset; /* current file offset */ 211 char *f_rabuf; /* readahead buffer pointer */ 212 size_t f_ralen; /* valid data in readahead buffer */ 213 off_t f_raoffset; /* consumer offset in readahead buffer */ 214 int f_id; /* file number */ 215 TAILQ_ENTRY(open_file) f_link; /* next entry */ 216 #define SOPEN_RASIZE 512 217 }; 218 219 typedef TAILQ_HEAD(file_list, open_file) file_list_t; 220 extern file_list_t files; 221 extern struct open_file *fd2open_file(int); 222 223 /* f_flags values */ 224 #define F_READ 0x0001 /* file opened for reading */ 225 #define F_WRITE 0x0002 /* file opened for writing */ 226 #define F_RAW 0x0004 /* raw device open - no file system */ 227 #define F_NODEV 0x0008 /* network open - no device */ 228 #define F_MASK 0xFFFF 229 /* Mode modifier for strategy() */ 230 #define F_NORA (0x01 << 16) /* Disable Read-Ahead */ 231 232 #define isascii(c) (((c) & ~0x7F) == 0) 233 234 static __inline int isupper(int c) 235 { 236 return c >= 'A' && c <= 'Z'; 237 } 238 239 static __inline int islower(int c) 240 { 241 return c >= 'a' && c <= 'z'; 242 } 243 244 static __inline int isspace(int c) 245 { 246 return c == ' ' || (c >= 0x9 && c <= 0xd); 247 } 248 249 static __inline int isdigit(int c) 250 { 251 return c >= '0' && c <= '9'; 252 } 253 254 static __inline int isxdigit(int c) 255 { 256 return isdigit(c) || (c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F'); 257 } 258 259 static __inline int isalpha(int c) 260 { 261 return isupper(c) || islower(c); 262 } 263 264 static __inline int isalnum(int c) 265 { 266 return isalpha(c) || isdigit(c); 267 } 268 269 static __inline int iscntrl(int c) 270 { 271 return (c >= 0 && c < ' ') || c == 127; 272 } 273 274 static __inline int isgraph(int c) 275 { 276 return c >= '!' && c <= '~'; 277 } 278 279 static __inline int ispunct(int c) 280 { 281 return (c >= '!' && c <= '/') || (c >= ':' && c <= '@') || 282 (c >= '[' && c <= '`') || (c >= '{' && c <= '~'); 283 } 284 285 static __inline int isprint(int c) 286 { 287 return (c >= ' ') && (c <= '~'); 288 } 289 290 static __inline int toupper(int c) 291 { 292 return islower(c) ? c - 'a' + 'A' : c; 293 } 294 295 static __inline int tolower(int c) 296 { 297 return isupper(c) ? c - 'A' + 'a' : c; 298 } 299 300 /* sbrk emulation */ 301 extern void setheap(void *base, void *top); 302 extern char *sbrk(int incr); 303 304 extern int printf(const char *fmt, ...) __printflike(1, 2); 305 extern int asprintf(char **buf, const char *cfmt, ...) __printflike(2, 3); 306 extern int sprintf(char *buf, const char *cfmt, ...) __printflike(2, 3); 307 extern int snprintf(char *buf, size_t size, const char *cfmt, ...) __printflike(3, 4); 308 extern int vprintf(const char *fmt, __va_list); 309 extern int vsprintf(char *buf, const char *cfmt, __va_list); 310 extern int vsnprintf(char *buf, size_t size, const char *cfmt, __va_list); 311 312 extern void twiddle(u_int callerdiv); 313 extern void twiddle_divisor(u_int globaldiv); 314 315 extern void ngets(char *, int); 316 #define gets(x) ngets((x), 0) 317 extern int fgetstr(char *buf, int size, int fd); 318 319 extern int mount(const char *dev, const char *path, int flags, void *data); 320 extern int unmount(const char *dev, int flags); 321 extern int open(const char *, int); 322 #define O_RDONLY 0x0 323 #define O_WRONLY 0x1 324 #define O_RDWR 0x2 325 #define O_ACCMODE 0x3 326 /* NOT IMPLEMENTED */ 327 #define O_CREAT 0x0200 /* create if nonexistent */ 328 #define O_TRUNC 0x0400 /* truncate to zero length */ 329 extern int close(int); 330 extern void closeall(void); 331 extern ssize_t read(int, void *, size_t); 332 extern ssize_t write(int, const void *, size_t); 333 extern int ioctl(int, u_long, void *); 334 extern struct dirent *readdirfd(int); 335 extern void preload(int); 336 337 extern void srandom(unsigned int); 338 extern long random(void); 339 340 /* imports from stdlib, locally modified */ 341 extern char *optarg; /* getopt(3) external variables */ 342 extern int optind, opterr, optopt, optreset; 343 extern int getopt(int, char * const [], const char *); 344 345 /* pager.c */ 346 extern void pager_open(void); 347 extern void pager_close(void); 348 extern int pager_output(const char *lines); 349 extern int pager_file(const char *fname); 350 351 /* No signal state to preserve */ 352 #define setjmp _setjmp 353 #define longjmp _longjmp 354 355 /* environment.c */ 356 #define EV_DYNAMIC (1<<0) /* value was dynamically allocated, free if changed/unset */ 357 #define EV_VOLATILE (1<<1) /* value is volatile, make a copy of it */ 358 #define EV_NOHOOK (1<<2) /* don't call hook when setting */ 359 #define EV_NOKENV (1<<3) /* don't add to kenv (loader-only) */ 360 361 struct env_var; 362 typedef char *(ev_format_t)(struct env_var *ev); 363 typedef int (ev_sethook_t)(struct env_var *ev, int flags, 364 const void *value); 365 typedef int (ev_unsethook_t)(struct env_var *ev); 366 367 struct env_var 368 { 369 char *ev_name; 370 int ev_flags; 371 void *ev_value; 372 ev_sethook_t *ev_sethook; 373 ev_unsethook_t *ev_unsethook; 374 struct env_var *ev_next, *ev_prev; 375 }; 376 extern struct env_var *environ; 377 378 extern struct env_var *env_getenv(const char *name); 379 extern int env_setenv(const char *name, int flags, 380 const void *value, ev_sethook_t sethook, 381 ev_unsethook_t unsethook); 382 extern void env_discard(struct env_var *); 383 extern char *getenv(const char *name); 384 extern int setenv(const char *name, const char *value, 385 int overwrite); 386 extern int putenv(char *string); 387 extern int unsetenv(const char *name); 388 extern bool is_restricted_var(const char *name); 389 extern void set_check_restricted(bool); 390 extern int boot_setenv(const char *name, const char *value); 391 392 extern ev_sethook_t env_noset; /* refuse set operation */ 393 extern ev_unsethook_t env_nounset; /* refuse unset operation */ 394 395 /* stdlib.h routines */ 396 extern int abs(int a); 397 extern void abort(void) __dead2; 398 extern long strtol(const char * __restrict, char ** __restrict, int); 399 extern long long strtoll(const char * __restrict, char ** __restrict, int); 400 extern unsigned long strtoul(const char * __restrict, char ** __restrict, int); 401 extern unsigned long long strtoull(const char * __restrict, char ** __restrict, int); 402 403 /* BCD conversions (undocumented) */ 404 extern u_char const bcd2bin_data[]; 405 extern u_char const bin2bcd_data[]; 406 extern char const hex2ascii_data[]; 407 408 #define bcd2bin(bcd) (bcd2bin_data[bcd]) 409 #define bin2bcd(bin) (bin2bcd_data[bin]) 410 #define hex2ascii(hex) (hex2ascii_data[hex]) 411 #define validbcd(bcd) (bcd == 0 || (bcd > 0 && bcd <= 0x99 && bcd2bin_data[bcd] != 0)) 412 413 /* min/max (undocumented) */ 414 static __inline int imax(int a, int b) { return (a > b ? a : b); } 415 static __inline int imin(int a, int b) { return (a < b ? a : b); } 416 static __inline long lmax(long a, long b) { return (a > b ? a : b); } 417 static __inline long lmin(long a, long b) { return (a < b ? a : b); } 418 static __inline u_int max(u_int a, u_int b) { return (a > b ? a : b); } 419 static __inline u_int min(u_int a, u_int b) { return (a < b ? a : b); } 420 static __inline quad_t qmax(quad_t a, quad_t b) { return (a > b ? a : b); } 421 static __inline quad_t qmin(quad_t a, quad_t b) { return (a < b ? a : b); } 422 static __inline u_long ulmax(u_long a, u_long b) { return (a > b ? a : b); } 423 static __inline u_long ulmin(u_long a, u_long b) { return (a < b ? a : b); } 424 425 /* null functions for device/filesystem switches (undocumented) */ 426 extern int nodev(void); 427 extern int noioctl(struct open_file *, u_long, void *); 428 extern void nullsys(void); 429 430 extern int null_open(const char *path, struct open_file *f); 431 extern int null_close(struct open_file *f); 432 extern int null_read(struct open_file *f, void *buf, size_t size, size_t *resid); 433 extern int null_write(struct open_file *f, const void *buf, size_t size, size_t *resid); 434 extern off_t null_seek(struct open_file *f, off_t offset, int where); 435 extern int null_stat(struct open_file *f, struct stat *sb); 436 extern int null_readdir(struct open_file *f, struct dirent *d); 437 438 439 /* 440 * Machine dependent functions and data, must be provided or stubbed by 441 * the consumer 442 */ 443 extern void exit(int) __dead2; 444 extern int getchar(void); 445 extern int ischar(void); 446 extern void putchar(int); 447 extern int devopen(struct open_file *, const char *, const char **); 448 extern int devclose(struct open_file *f); 449 extern void panic(const char *, ...) __dead2 __printflike(1, 2); 450 extern void panic_action(void) __weak_symbol __dead2; 451 extern time_t getsecs(void); 452 extern struct fs_ops *file_system[]; 453 extern struct fs_ops *exclusive_file_system; 454 extern struct devsw *devsw[]; 455 456 /* 457 * Time routines 458 */ 459 time_t time(time_t *); 460 461 /* 462 * Expose byteorder(3) functions. 463 */ 464 #ifndef _BYTEORDER_PROTOTYPED 465 #define _BYTEORDER_PROTOTYPED 466 extern uint32_t htonl(uint32_t); 467 extern uint16_t htons(uint16_t); 468 extern uint32_t ntohl(uint32_t); 469 extern uint16_t ntohs(uint16_t); 470 #endif 471 472 #ifndef _BYTEORDER_FUNC_DEFINED 473 #define _BYTEORDER_FUNC_DEFINED 474 #define htonl(x) __htonl(x) 475 #define htons(x) __htons(x) 476 #define ntohl(x) __ntohl(x) 477 #define ntohs(x) __ntohs(x) 478 #endif 479 480 void *Malloc(size_t, const char *, int); 481 void *Memalign(size_t, size_t, const char *, int); 482 void *Calloc(size_t, size_t, const char *, int); 483 void *Realloc(void *, size_t, const char *, int); 484 void *Reallocf(void *, size_t, const char *, int); 485 void Free(void *, const char *, int); 486 extern void mallocstats(void); 487 488 const char *x86_hypervisor(void); 489 490 #ifdef USER_MALLOC 491 extern void *malloc(size_t); 492 extern void *memalign(size_t, size_t); 493 extern void *calloc(size_t, size_t); 494 extern void free(void *); 495 extern void *realloc(void *, size_t); 496 extern void *reallocf(void *, size_t); 497 #elif defined(DEBUG_MALLOC) 498 #define malloc(x) Malloc(x, __FILE__, __LINE__) 499 #define memalign(x, y) Memalign(x, y, __FILE__, __LINE__) 500 #define calloc(x, y) Calloc(x, y, __FILE__, __LINE__) 501 #define free(x) Free(x, __FILE__, __LINE__) 502 #define realloc(x, y) Realloc(x, y, __FILE__, __LINE__) 503 #define reallocf(x, y) Reallocf(x, y, __FILE__, __LINE__) 504 #else 505 #define malloc(x) Malloc(x, NULL, 0) 506 #define memalign(x, y) Memalign(x, y, NULL, 0) 507 #define calloc(x, y) Calloc(x, y, NULL, 0) 508 #define free(x) Free(x, NULL, 0) 509 #define realloc(x, y) Realloc(x, y, NULL, 0) 510 #define reallocf(x, y) Reallocf(x, y, NULL, 0) 511 #endif 512 513 /* 514 * va <-> pa routines. MD code must supply. 515 */ 516 caddr_t ptov(uintptr_t); 517 518 /* dev_net.c */ 519 bool is_tftp(void); 520 521 /* features.c */ 522 typedef void (feature_iter_fn)(void *, const char *, const char *, bool); 523 524 extern void feature_enable(uint32_t); 525 extern bool feature_name_is_enabled(const char *); 526 extern void feature_iter(feature_iter_fn *, void *); 527 528 /* 529 * Note that these should also be added to the mapping table in features.c, 530 * which the interpreter may query to provide details from. The name with 531 * FEATURE_ removed is assumed to be the name we'll provide in the loader 532 * features table, just to simplify reasoning about these. 533 */ 534 #define FEATURE_EARLY_ACPI 0x0001 535 536 /* hexdump.c */ 537 void hexdump(caddr_t region, size_t len); 538 539 /* nvstore.c */ 540 typedef int (nvstore_getter_cb_t)(void *, const char *, void **); 541 typedef int (nvstore_setter_cb_t)(void *, int, const char *, 542 const void *, size_t); 543 typedef int (nvstore_setter_str_cb_t)(void *, const char *, const char *, 544 const char *); 545 typedef int (nvstore_unset_cb_t)(void *, const char *); 546 typedef int (nvstore_print_cb_t)(void *, void *); 547 typedef int (nvstore_iterate_cb_t)(void *, int (*)(void *, void *)); 548 549 typedef struct nvs_callbacks { 550 nvstore_getter_cb_t *nvs_getter; 551 nvstore_setter_cb_t *nvs_setter; 552 nvstore_setter_str_cb_t *nvs_setter_str; 553 nvstore_unset_cb_t *nvs_unset; 554 nvstore_print_cb_t *nvs_print; 555 nvstore_iterate_cb_t *nvs_iterate; 556 } nvs_callbacks_t; 557 558 int nvstore_init(const char *, nvs_callbacks_t *, void *); 559 int nvstore_fini(const char *); 560 void *nvstore_get_store(const char *); 561 int nvstore_print(void *); 562 int nvstore_get_var(void *, const char *, void **); 563 int nvstore_set_var(void *, int, const char *, void *, size_t); 564 int nvstore_set_var_from_string(void *, const char *, const char *, 565 const char *); 566 int nvstore_unset_var(void *, const char *); 567 568 /* tslog.c */ 569 #define TSRAW(a, b, c) tslog(a, b, c) 570 #define TSENTER() TSRAW("ENTER", __func__, NULL) 571 #define TSENTER2(x) TSRAW("ENTER", __func__, x) 572 #define TSEXIT() TSRAW("EXIT", __func__, NULL) 573 #define TSLINE() TSRAW("EVENT", __FILE__, __XSTRING(__LINE__)) 574 void tslog(const char *, const char *, const char *); 575 void tslog_setbuf(void * buf, size_t len); 576 void tslog_getbuf(void ** buf, size_t * len); 577 578 __END_DECLS 579 580 /* define _DEBUG_LEVEL n or _DEBUG_LEVEL_VAR before include */ 581 #ifndef DEBUG_PRINTF 582 # if defined(_DEBUG_LEVEL) || defined(_DEBUG_LEVEL_VAR) 583 # ifndef _DEBUG_LEVEL_VAR 584 # define _DEBUG_LEVEL_VAR _debug 585 static int _debug = _DEBUG_LEVEL; 586 # endif 587 # define DEBUG_PRINTF(n, args) if (_DEBUG_LEVEL_VAR >= n) printf args 588 # else 589 # define DEBUG_PRINTF(n, args) 590 # endif 591 #endif 592 593 #endif /* STAND_H */ 594