1 /* $NetBSD: file.h,v 1.15 2017/02/10 17:53:24 christos Exp $ */ 2 3 /* 4 * Copyright (c) Ian F. Darwin 1986-1995. 5 * Software written by Ian F. Darwin and others; 6 * maintained 1995-present by Christos Zoulas and others. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice immediately at the beginning of the file, without modification, 13 * this list of conditions, and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 22 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 /* 31 * file.h - definitions for file(1) program 32 * @(#)$File: file.h,v 1.180 2016/07/20 11:27:08 christos Exp $ 33 */ 34 35 #ifndef __file_h__ 36 #define __file_h__ 37 38 #ifdef HAVE_CONFIG_H 39 #include <config.h> 40 #endif 41 42 #ifdef WIN32 43 #ifdef _WIN64 44 #define SIZE_T_FORMAT "I64" 45 #else 46 #define SIZE_T_FORMAT "" 47 #endif 48 #define INT64_T_FORMAT "I64" 49 #define INTMAX_T_FORMAT "I64" 50 #else 51 #define SIZE_T_FORMAT "z" 52 #define INT64_T_FORMAT "ll" 53 #define INTMAX_T_FORMAT "j" 54 #endif 55 56 #include <stdio.h> /* Include that here, to make sure __P gets defined */ 57 #include <errno.h> 58 #include <fcntl.h> /* For open and flags */ 59 #ifdef HAVE_STDINT_H 60 #ifndef __STDC_LIMIT_MACROS 61 #define __STDC_LIMIT_MACROS 62 #endif 63 #include <stdint.h> 64 #endif 65 #ifdef HAVE_INTTYPES_H 66 #include <inttypes.h> 67 #endif 68 #include <regex.h> 69 #include <time.h> 70 #include <sys/types.h> 71 #ifndef WIN32 72 #include <sys/param.h> 73 #endif 74 /* Do this here and now, because struct stat gets re-defined on solaris */ 75 #include <sys/stat.h> 76 #include <stdarg.h> 77 78 #define ENABLE_CONDITIONALS 79 80 #ifndef MAGIC 81 #define MAGIC "/etc/magic" 82 #endif 83 84 #if defined(__EMX__) || defined (WIN32) 85 #define PATHSEP ';' 86 #else 87 #define PATHSEP ':' 88 #endif 89 90 #define private static 91 92 #if HAVE_VISIBILITY && !defined(WIN32) 93 #define public __attribute__ ((__visibility__("default"))) 94 #ifndef protected 95 #define protected __attribute__ ((__visibility__("hidden"))) 96 #endif 97 #else 98 #define public 99 #ifndef protected 100 #define protected 101 #endif 102 #endif 103 104 #ifndef __arraycount 105 #define __arraycount(a) (sizeof(a) / sizeof(a[0])) 106 #endif 107 108 #ifndef __GNUC_PREREQ__ 109 #ifdef __GNUC__ 110 #define __GNUC_PREREQ__(x, y) \ 111 ((__GNUC__ == (x) && __GNUC_MINOR__ >= (y)) || \ 112 (__GNUC__ > (x))) 113 #else 114 #define __GNUC_PREREQ__(x, y) 0 115 #endif 116 #endif 117 118 #ifndef __GNUC__ 119 #ifndef __attribute__ 120 #define __attribute__(a) 121 #endif 122 #endif 123 124 #ifndef MIN 125 #define MIN(a,b) (((a) < (b)) ? (a) : (b)) 126 #endif 127 128 #ifndef MAX 129 #define MAX(a,b) (((a) > (b)) ? (a) : (b)) 130 #endif 131 132 #ifndef FILE_BYTES_MAX 133 # define FILE_BYTES_MAX (1024 * 1024) /* how much of the file to look at */ 134 #endif 135 #define MAXMAGIS 8192 /* max entries in any one magic file 136 or directory */ 137 #define MAXDESC 64 /* max len of text description/MIME type */ 138 #define MAXMIME 80 /* max len of text MIME type */ 139 #define MAXstring 96 /* max len of "string" types */ 140 141 #define MAGICNO 0xF11E041C 142 #define VERSIONNO 14 143 #define FILE_MAGICSIZE 344 144 145 #define FILE_LOAD 0 146 #define FILE_CHECK 1 147 #define FILE_COMPILE 2 148 #define FILE_LIST 3 149 150 union VALUETYPE { 151 uint8_t b; 152 uint16_t h; 153 uint32_t l; 154 uint64_t q; 155 uint8_t hs[2]; /* 2 bytes of a fixed-endian "short" */ 156 uint8_t hl[4]; /* 4 bytes of a fixed-endian "long" */ 157 uint8_t hq[8]; /* 8 bytes of a fixed-endian "quad" */ 158 char s[MAXstring]; /* the search string or regex pattern */ 159 unsigned char us[MAXstring]; 160 float f; 161 double d; 162 }; 163 164 struct magic { 165 /* Word 1 */ 166 uint16_t cont_level; /* level of ">" */ 167 uint8_t flag; 168 #define INDIR 0x01 /* if '(...)' appears */ 169 #define OFFADD 0x02 /* if '>&' or '>...(&' appears */ 170 #define INDIROFFADD 0x04 /* if '>&(' appears */ 171 #define UNSIGNED 0x08 /* comparison is unsigned */ 172 #define NOSPACE 0x10 /* suppress space character before output */ 173 #define BINTEST 0x20 /* test is for a binary type (set only 174 for top-level tests) */ 175 #define TEXTTEST 0x40 /* for passing to file_softmagic */ 176 177 uint8_t factor; 178 179 /* Word 2 */ 180 uint8_t reln; /* relation (0=eq, '>'=gt, etc) */ 181 uint8_t vallen; /* length of string value, if any */ 182 uint8_t type; /* comparison type (FILE_*) */ 183 uint8_t in_type; /* type of indirection */ 184 #define FILE_INVALID 0 185 #define FILE_BYTE 1 186 #define FILE_SHORT 2 187 #define FILE_DEFAULT 3 188 #define FILE_LONG 4 189 #define FILE_STRING 5 190 #define FILE_DATE 6 191 #define FILE_BESHORT 7 192 #define FILE_BELONG 8 193 #define FILE_BEDATE 9 194 #define FILE_LESHORT 10 195 #define FILE_LELONG 11 196 #define FILE_LEDATE 12 197 #define FILE_PSTRING 13 198 #define FILE_LDATE 14 199 #define FILE_BELDATE 15 200 #define FILE_LELDATE 16 201 #define FILE_REGEX 17 202 #define FILE_BESTRING16 18 203 #define FILE_LESTRING16 19 204 #define FILE_SEARCH 20 205 #define FILE_MEDATE 21 206 #define FILE_MELDATE 22 207 #define FILE_MELONG 23 208 #define FILE_QUAD 24 209 #define FILE_LEQUAD 25 210 #define FILE_BEQUAD 26 211 #define FILE_QDATE 27 212 #define FILE_LEQDATE 28 213 #define FILE_BEQDATE 29 214 #define FILE_QLDATE 30 215 #define FILE_LEQLDATE 31 216 #define FILE_BEQLDATE 32 217 #define FILE_FLOAT 33 218 #define FILE_BEFLOAT 34 219 #define FILE_LEFLOAT 35 220 #define FILE_DOUBLE 36 221 #define FILE_BEDOUBLE 37 222 #define FILE_LEDOUBLE 38 223 #define FILE_BEID3 39 224 #define FILE_LEID3 40 225 #define FILE_INDIRECT 41 226 #define FILE_QWDATE 42 227 #define FILE_LEQWDATE 43 228 #define FILE_BEQWDATE 44 229 #define FILE_NAME 45 230 #define FILE_USE 46 231 #define FILE_CLEAR 47 232 #define FILE_DER 48 233 #define FILE_NAMES_SIZE 49 /* size of array to contain all names */ 234 235 #define IS_STRING(t) \ 236 ((t) == FILE_STRING || \ 237 (t) == FILE_PSTRING || \ 238 (t) == FILE_BESTRING16 || \ 239 (t) == FILE_LESTRING16 || \ 240 (t) == FILE_REGEX || \ 241 (t) == FILE_SEARCH || \ 242 (t) == FILE_INDIRECT || \ 243 (t) == FILE_NAME || \ 244 (t) == FILE_USE) 245 246 #define FILE_FMT_NONE 0 247 #define FILE_FMT_NUM 1 /* "cduxXi" */ 248 #define FILE_FMT_STR 2 /* "s" */ 249 #define FILE_FMT_QUAD 3 /* "ll" */ 250 #define FILE_FMT_FLOAT 4 /* "eEfFgG" */ 251 #define FILE_FMT_DOUBLE 5 /* "eEfFgG" */ 252 253 /* Word 3 */ 254 uint8_t in_op; /* operator for indirection */ 255 uint8_t mask_op; /* operator for mask */ 256 #ifdef ENABLE_CONDITIONALS 257 uint8_t cond; /* conditional type */ 258 #else 259 uint8_t dummy; 260 #endif 261 uint8_t factor_op; 262 #define FILE_FACTOR_OP_PLUS '+' 263 #define FILE_FACTOR_OP_MINUS '-' 264 #define FILE_FACTOR_OP_TIMES '*' 265 #define FILE_FACTOR_OP_DIV '/' 266 #define FILE_FACTOR_OP_NONE '\0' 267 268 #define FILE_OPS "&|^+-*/%" 269 #define FILE_OPAND 0 270 #define FILE_OPOR 1 271 #define FILE_OPXOR 2 272 #define FILE_OPADD 3 273 #define FILE_OPMINUS 4 274 #define FILE_OPMULTIPLY 5 275 #define FILE_OPDIVIDE 6 276 #define FILE_OPMODULO 7 277 #define FILE_OPS_MASK 0x07 /* mask for above ops */ 278 #define FILE_UNUSED_1 0x08 279 #define FILE_UNUSED_2 0x10 280 #define FILE_OPSIGNED 0x20 281 #define FILE_OPINVERSE 0x40 282 #define FILE_OPINDIRECT 0x80 283 284 #ifdef ENABLE_CONDITIONALS 285 #define COND_NONE 0 286 #define COND_IF 1 287 #define COND_ELIF 2 288 #define COND_ELSE 3 289 #endif /* ENABLE_CONDITIONALS */ 290 291 /* Word 4 */ 292 uint32_t offset; /* offset to magic number */ 293 /* Word 5 */ 294 int32_t in_offset; /* offset from indirection */ 295 /* Word 6 */ 296 uint32_t lineno; /* line number in magic file */ 297 /* Word 7,8 */ 298 union { 299 uint64_t _mask; /* for use with numeric and date types */ 300 struct { 301 uint32_t _count; /* repeat/line count */ 302 uint32_t _flags; /* modifier flags */ 303 } _s; /* for use with string types */ 304 } _u; 305 #define num_mask _u._mask 306 #define str_range _u._s._count 307 #define str_flags _u._s._flags 308 /* Words 9-24 */ 309 union VALUETYPE value; /* either number or string */ 310 /* Words 25-40 */ 311 char desc[MAXDESC]; /* description */ 312 /* Words 41-60 */ 313 char mimetype[MAXMIME]; /* MIME type */ 314 /* Words 61-62 */ 315 char apple[8]; /* APPLE CREATOR/TYPE */ 316 /* Words 63-78 */ 317 char ext[64]; /* Popular extensions */ 318 }; 319 320 #define BIT(A) (1 << (A)) 321 #define STRING_COMPACT_WHITESPACE BIT(0) 322 #define STRING_COMPACT_OPTIONAL_WHITESPACE BIT(1) 323 #define STRING_IGNORE_LOWERCASE BIT(2) 324 #define STRING_IGNORE_UPPERCASE BIT(3) 325 #define REGEX_OFFSET_START BIT(4) 326 #define STRING_TEXTTEST BIT(5) 327 #define STRING_BINTEST BIT(6) 328 #define PSTRING_1_BE BIT(7) 329 #define PSTRING_1_LE BIT(7) 330 #define PSTRING_2_BE BIT(8) 331 #define PSTRING_2_LE BIT(9) 332 #define PSTRING_4_BE BIT(10) 333 #define PSTRING_4_LE BIT(11) 334 #define REGEX_LINE_COUNT BIT(11) 335 #define PSTRING_LEN \ 336 (PSTRING_1_BE|PSTRING_2_LE|PSTRING_2_BE|PSTRING_4_LE|PSTRING_4_BE) 337 #define PSTRING_LENGTH_INCLUDES_ITSELF BIT(12) 338 #define STRING_TRIM BIT(13) 339 #define CHAR_COMPACT_WHITESPACE 'W' 340 #define CHAR_COMPACT_OPTIONAL_WHITESPACE 'w' 341 #define CHAR_IGNORE_LOWERCASE 'c' 342 #define CHAR_IGNORE_UPPERCASE 'C' 343 #define CHAR_REGEX_OFFSET_START 's' 344 #define CHAR_TEXTTEST 't' 345 #define CHAR_TRIM 'T' 346 #define CHAR_BINTEST 'b' 347 #define CHAR_PSTRING_1_BE 'B' 348 #define CHAR_PSTRING_1_LE 'B' 349 #define CHAR_PSTRING_2_BE 'H' 350 #define CHAR_PSTRING_2_LE 'h' 351 #define CHAR_PSTRING_4_BE 'L' 352 #define CHAR_PSTRING_4_LE 'l' 353 #define CHAR_PSTRING_LENGTH_INCLUDES_ITSELF 'J' 354 #define STRING_IGNORE_CASE (STRING_IGNORE_LOWERCASE|STRING_IGNORE_UPPERCASE) 355 #define STRING_DEFAULT_RANGE 100 356 357 #define INDIRECT_RELATIVE BIT(0) 358 #define CHAR_INDIRECT_RELATIVE 'r' 359 360 /* list of magic entries */ 361 struct mlist { 362 struct magic *magic; /* array of magic entries */ 363 uint32_t nmagic; /* number of entries in array */ 364 void *map; /* internal resources used by entry */ 365 struct mlist *next, *prev; 366 }; 367 368 #ifdef __cplusplus 369 #define CAST(T, b) static_cast<T>(b) 370 #define RCAST(T, b) reinterpret_cast<T>(b) 371 #define CCAST(T, b) const_cast<T>(b) 372 #else 373 #define CAST(T, b) ((T)(b)) 374 #define RCAST(T, b) ((T)(b)) 375 #define CCAST(T, b) ((T)(uintptr_t)(b)) 376 #endif 377 378 struct level_info { 379 int32_t off; 380 int got_match; 381 #ifdef ENABLE_CONDITIONALS 382 int last_match; 383 int last_cond; /* used for error checking by parse() */ 384 #endif 385 }; 386 387 #define MAGIC_SETS 2 388 389 struct magic_set { 390 struct mlist *mlist[MAGIC_SETS]; /* list of regular entries */ 391 struct cont { 392 size_t len; 393 struct level_info *li; 394 } c; 395 struct out { 396 char *buf; /* Accumulation buffer */ 397 char *pbuf; /* Printable buffer */ 398 } o; 399 uint32_t offset; 400 int error; 401 int flags; /* Control magic tests. */ 402 int event_flags; /* Note things that happened. */ 403 #define EVENT_HAD_ERR 0x01 404 const char *file; 405 size_t line; /* current magic line number */ 406 407 /* data for searches */ 408 struct { 409 const char *s; /* start of search in original source */ 410 size_t s_len; /* length of search region */ 411 size_t offset; /* starting offset in source: XXX - should this be off_t? */ 412 size_t rm_len; /* match length */ 413 } search; 414 415 /* FIXME: Make the string dynamically allocated so that e.g. 416 strings matched in files can be longer than MAXstring */ 417 union VALUETYPE ms_value; /* either number or string */ 418 uint16_t indir_max; 419 uint16_t name_max; 420 uint16_t elf_shnum_max; 421 uint16_t elf_phnum_max; 422 uint16_t elf_notes_max; 423 uint16_t regex_max; 424 size_t bytes_max; /* number of bytes to read from file */ 425 #define FILE_INDIR_MAX 50 426 #define FILE_NAME_MAX 30 427 #define FILE_ELF_SHNUM_MAX 32768 428 #define FILE_ELF_PHNUM_MAX 2048 429 #define FILE_ELF_NOTES_MAX 256 430 #define FILE_REGEX_MAX 8192 431 }; 432 433 /* Type for Unicode characters */ 434 typedef unsigned long unichar; 435 436 struct stat; 437 #define FILE_T_LOCAL 1 438 #define FILE_T_WINDOWS 2 439 protected const char *file_fmttime(uint64_t, int, char *); 440 protected struct magic_set *file_ms_alloc(int); 441 protected void file_ms_free(struct magic_set *); 442 protected int file_buffer(struct magic_set *, int, const char *, const void *, 443 size_t); 444 protected int file_fsmagic(struct magic_set *, const char *, struct stat *); 445 protected int file_pipe2file(struct magic_set *, int, const void *, size_t); 446 protected int file_vprintf(struct magic_set *, const char *, va_list) 447 __attribute__((__format__(__printf__, 2, 0))); 448 protected size_t file_printedlen(const struct magic_set *); 449 protected int file_replace(struct magic_set *, const char *, const char *); 450 protected int file_printf(struct magic_set *, const char *, ...) 451 __attribute__((__format__(__printf__, 2, 3))); 452 protected int file_reset(struct magic_set *); 453 protected int file_tryelf(struct magic_set *, int, const unsigned char *, 454 size_t); 455 protected int file_trycdf(struct magic_set *, int, const unsigned char *, 456 size_t); 457 #if HAVE_FORK 458 protected int file_zmagic(struct magic_set *, int, const char *, 459 const unsigned char *, size_t); 460 #endif 461 protected int file_ascmagic(struct magic_set *, const unsigned char *, size_t, 462 int); 463 protected int file_ascmagic_with_encoding(struct magic_set *, 464 const unsigned char *, size_t, unichar *, size_t, const char *, 465 const char *, int); 466 protected int file_encoding(struct magic_set *, const unsigned char *, size_t, 467 unichar **, size_t *, const char **, const char **, const char **); 468 protected int file_is_tar(struct magic_set *, const unsigned char *, size_t); 469 protected int file_softmagic(struct magic_set *, const unsigned char *, size_t, 470 uint16_t *, uint16_t *, int, int); 471 protected int file_apprentice(struct magic_set *, const char *, int); 472 protected int buffer_apprentice(struct magic_set *, struct magic **, 473 size_t *, size_t); 474 protected int file_magicfind(struct magic_set *, const char *, struct mlist *); 475 protected uint64_t file_signextend(struct magic_set *, struct magic *, 476 uint64_t); 477 protected void file_badread(struct magic_set *); 478 protected void file_badseek(struct magic_set *); 479 protected void file_oomem(struct magic_set *, size_t); 480 protected void file_error(struct magic_set *, int, const char *, ...) 481 __attribute__((__format__(__printf__, 3, 4))); 482 protected void file_magerror(struct magic_set *, const char *, ...) 483 __attribute__((__format__(__printf__, 2, 3))); 484 protected void file_magwarn(struct magic_set *, const char *, ...) 485 __attribute__((__format__(__printf__, 2, 3))); 486 protected void file_mdump(struct magic *); 487 protected void file_showstr(FILE *, const char *, size_t); 488 protected size_t file_mbswidth(const char *); 489 protected const char *file_getbuffer(struct magic_set *); 490 protected ssize_t sread(int, void *, size_t, int); 491 protected int file_check_mem(struct magic_set *, unsigned int); 492 protected int file_looks_utf8(const unsigned char *, size_t, unichar *, 493 size_t *); 494 protected size_t file_pstring_length_size(const struct magic *); 495 protected size_t file_pstring_get_length(const struct magic *, const char *); 496 protected char * file_printable(char *, size_t, const char *); 497 #ifdef __EMX__ 498 protected int file_os2_apptype(struct magic_set *, const char *, const void *, 499 size_t); 500 #endif /* __EMX__ */ 501 502 #if defined(HAVE_LOCALE_H) 503 #include <locale.h> 504 #endif 505 #if defined(HAVE_XLOCALE_H) 506 #include <xlocale.h> 507 #endif 508 509 typedef struct { 510 const char *pat; 511 #if defined(HAVE_NEWLOCALE) && defined(HAVE_USELOCALE) && defined(HAVE_FREELOCALE) 512 #define USE_C_LOCALE 513 locale_t old_lc_ctype; 514 locale_t c_lc_ctype; 515 #else 516 char *old_lc_ctype; 517 #endif 518 int rc; 519 regex_t rx; 520 } file_regex_t; 521 522 protected int file_regcomp(file_regex_t *, const char *, int); 523 protected int file_regexec(file_regex_t *, const char *, size_t, regmatch_t *, 524 int); 525 protected void file_regfree(file_regex_t *); 526 protected void file_regerror(file_regex_t *, int, struct magic_set *); 527 528 typedef struct { 529 char *buf; 530 uint32_t offset; 531 } file_pushbuf_t; 532 533 protected file_pushbuf_t *file_push_buffer(struct magic_set *); 534 protected char *file_pop_buffer(struct magic_set *, file_pushbuf_t *); 535 536 #ifndef COMPILE_ONLY 537 extern const char *file_names[]; 538 extern const size_t file_nnames; 539 #endif 540 541 #ifndef HAVE_STRERROR 542 extern int sys_nerr; 543 extern char *sys_errlist[]; 544 #define strerror(e) \ 545 (((e) >= 0 && (e) < sys_nerr) ? sys_errlist[(e)] : "Unknown error") 546 #endif 547 548 #ifndef HAVE_STRTOUL 549 #define strtoul(a, b, c) strtol(a, b, c) 550 #endif 551 552 #ifndef HAVE_PREAD 553 ssize_t pread(int, void *, size_t, off_t); 554 #endif 555 #ifndef HAVE_VASPRINTF 556 int vasprintf(char **, const char *, va_list); 557 #endif 558 #ifndef HAVE_ASPRINTF 559 int asprintf(char **, const char *, ...); 560 #endif 561 #ifndef HAVE_DPRINTF 562 int dprintf(int, const char *, ...); 563 #endif 564 565 #ifndef HAVE_STRLCPY 566 size_t strlcpy(char *, const char *, size_t); 567 #endif 568 #ifndef HAVE_STRLCAT 569 size_t strlcat(char *, const char *, size_t); 570 #endif 571 #ifndef HAVE_STRCASESTR 572 char *strcasestr(const char *, const char *); 573 #endif 574 #ifndef HAVE_GETLINE 575 ssize_t getline(char **, size_t *, FILE *); 576 ssize_t getdelim(char **, size_t *, int, FILE *); 577 #endif 578 #ifndef HAVE_CTIME_R 579 char *ctime_r(const time_t *, char *); 580 #endif 581 #ifndef HAVE_ASCTIME_R 582 char *asctime_r(const struct tm *, char *); 583 #endif 584 #ifndef HAVE_GMTIME_R 585 struct tm *gmtime_r(const time_t *, struct tm *); 586 #endif 587 #ifndef HAVE_LOCALTIME_R 588 struct tm *localtime_r(const time_t *, struct tm *); 589 #endif 590 #ifndef HAVE_FMTCHECK 591 const char *fmtcheck(const char *, const char *) 592 __attribute__((__format_arg__(2))); 593 #endif 594 595 #if defined(HAVE_MMAP) && defined(HAVE_SYS_MMAN_H) && !defined(QUICK) 596 #define QUICK 597 #endif 598 599 #ifndef O_BINARY 600 #define O_BINARY 0 601 #endif 602 603 #ifndef __cplusplus 604 #if defined(__GNUC__) && (__GNUC__ >= 3) 605 #define FILE_RCSID(id) \ 606 static const char rcsid[] __attribute__((__used__)) = id; 607 #else 608 #define FILE_RCSID(id) \ 609 static const char *rcsid(const char *p) { \ 610 return rcsid(p = id); \ 611 } 612 #endif 613 #else 614 #define FILE_RCSID(id) 615 #endif 616 #ifndef __RCSID 617 #define __RCSID(a) 618 #endif 619 620 #endif /* __file_h__ */ 621