1 /* 2 * Copyright (c) Ian F. Darwin 1986-1995. 3 * Software written by Ian F. Darwin and others; 4 * maintained 1995-present by Christos Zoulas and others. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice immediately at the beginning of the file, without modification, 11 * this list of conditions, and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 /* 29 * file.h - definitions for file(1) program 30 * @(#)$File: file.h,v 1.183 2017/08/28 13:39:18 christos Exp $ 31 */ 32 33 #ifndef __file_h__ 34 #define __file_h__ 35 36 #ifdef HAVE_CONFIG_H 37 #include <config.h> 38 #endif 39 #ifdef HAVE_STDINT_H 40 #ifndef __STDC_LIMIT_MACROS 41 #define __STDC_LIMIT_MACROS 42 #endif 43 44 #ifdef WIN32 45 #ifdef _WIN64 46 #define SIZE_T_FORMAT "I64" 47 #else 48 #define SIZE_T_FORMAT "" 49 #endif 50 #define INT64_T_FORMAT "I64" 51 #define INTMAX_T_FORMAT "I64" 52 #else 53 #define SIZE_T_FORMAT "z" 54 #define INT64_T_FORMAT "ll" 55 #define INTMAX_T_FORMAT "j" 56 #endif 57 #include <stdint.h> 58 #endif 59 60 #include <stdio.h> /* Include that here, to make sure __P gets defined */ 61 #include <errno.h> 62 #include <fcntl.h> /* For open and flags */ 63 #ifdef HAVE_INTTYPES_H 64 #include <inttypes.h> 65 #endif 66 #include <regex.h> 67 #include <time.h> 68 #include <sys/types.h> 69 #ifndef WIN32 70 #include <sys/param.h> 71 #endif 72 /* Do this here and now, because struct stat gets re-defined on solaris */ 73 #include <sys/stat.h> 74 #include <stdarg.h> 75 #include <wchar.h> 76 77 #define ENABLE_CONDITIONALS 78 79 #ifndef MAGIC 80 #define MAGIC "/etc/magic" 81 #endif 82 83 #if defined(__EMX__) || defined (WIN32) 84 #define PATHSEP ';' 85 #else 86 #define PATHSEP ':' 87 #endif 88 89 #define private static 90 91 #if HAVE_VISIBILITY && !defined(WIN32) 92 #define public __attribute__ ((__visibility__("default"))) 93 #ifndef protected 94 #define protected __attribute__ ((__visibility__("hidden"))) 95 #endif 96 #else 97 #define public 98 #ifndef protected 99 #define protected 100 #endif 101 #endif 102 103 #ifndef __arraycount 104 #define __arraycount(a) (sizeof(a) / sizeof(a[0])) 105 #endif 106 107 #ifndef __GNUC_PREREQ__ 108 #ifdef __GNUC__ 109 #define __GNUC_PREREQ__(x, y) \ 110 ((__GNUC__ == (x) && __GNUC_MINOR__ >= (y)) || \ 111 (__GNUC__ > (x))) 112 #else 113 #define __GNUC_PREREQ__(x, y) 0 114 #endif 115 #endif 116 117 #ifndef __GNUC__ 118 #ifndef __attribute__ 119 #define __attribute__(a) 120 #endif 121 #endif 122 123 #ifndef MIN 124 #define MIN(a,b) (((a) < (b)) ? (a) : (b)) 125 #endif 126 127 #ifndef MAX 128 #define MAX(a,b) (((a) > (b)) ? (a) : (b)) 129 #endif 130 131 #ifndef FILE_BYTES_MAX 132 # define FILE_BYTES_MAX (1024 * 1024) /* how much of the file to look at */ 133 #endif 134 #define MAXMAGIS 8192 /* max entries in any one magic file 135 or directory */ 136 #define MAXDESC 64 /* max len of text description/MIME type */ 137 #define MAXMIME 80 /* max len of text MIME type */ 138 #define MAXstring 96 /* max len of "string" types */ 139 140 #define MAGICNO 0xF11E041C 141 #define VERSIONNO 14 142 #define FILE_MAGICSIZE 344 143 144 #define FILE_LOAD 0 145 #define FILE_CHECK 1 146 #define FILE_COMPILE 2 147 #define FILE_LIST 3 148 149 union VALUETYPE { 150 uint8_t b; 151 uint16_t h; 152 uint32_t l; 153 uint64_t q; 154 uint8_t hs[2]; /* 2 bytes of a fixed-endian "short" */ 155 uint8_t hl[4]; /* 4 bytes of a fixed-endian "long" */ 156 uint8_t hq[8]; /* 8 bytes of a fixed-endian "quad" */ 157 char s[MAXstring]; /* the search string or regex pattern */ 158 unsigned char us[MAXstring]; 159 float f; 160 double d; 161 }; 162 163 struct magic { 164 /* Word 1 */ 165 uint16_t cont_level; /* level of ">" */ 166 uint8_t flag; 167 #define INDIR 0x01 /* if '(...)' appears */ 168 #define OFFADD 0x02 /* if '>&' or '>...(&' appears */ 169 #define INDIROFFADD 0x04 /* if '>&(' appears */ 170 #define UNSIGNED 0x08 /* comparison is unsigned */ 171 #define NOSPACE 0x10 /* suppress space character before output */ 172 #define BINTEST 0x20 /* test is for a binary type (set only 173 for top-level tests) */ 174 #define TEXTTEST 0x40 /* for passing to file_softmagic */ 175 176 uint8_t factor; 177 178 /* Word 2 */ 179 uint8_t reln; /* relation (0=eq, '>'=gt, etc) */ 180 uint8_t vallen; /* length of string value, if any */ 181 uint8_t type; /* comparison type (FILE_*) */ 182 uint8_t in_type; /* type of indirection */ 183 #define FILE_INVALID 0 184 #define FILE_BYTE 1 185 #define FILE_SHORT 2 186 #define FILE_DEFAULT 3 187 #define FILE_LONG 4 188 #define FILE_STRING 5 189 #define FILE_DATE 6 190 #define FILE_BESHORT 7 191 #define FILE_BELONG 8 192 #define FILE_BEDATE 9 193 #define FILE_LESHORT 10 194 #define FILE_LELONG 11 195 #define FILE_LEDATE 12 196 #define FILE_PSTRING 13 197 #define FILE_LDATE 14 198 #define FILE_BELDATE 15 199 #define FILE_LELDATE 16 200 #define FILE_REGEX 17 201 #define FILE_BESTRING16 18 202 #define FILE_LESTRING16 19 203 #define FILE_SEARCH 20 204 #define FILE_MEDATE 21 205 #define FILE_MELDATE 22 206 #define FILE_MELONG 23 207 #define FILE_QUAD 24 208 #define FILE_LEQUAD 25 209 #define FILE_BEQUAD 26 210 #define FILE_QDATE 27 211 #define FILE_LEQDATE 28 212 #define FILE_BEQDATE 29 213 #define FILE_QLDATE 30 214 #define FILE_LEQLDATE 31 215 #define FILE_BEQLDATE 32 216 #define FILE_FLOAT 33 217 #define FILE_BEFLOAT 34 218 #define FILE_LEFLOAT 35 219 #define FILE_DOUBLE 36 220 #define FILE_BEDOUBLE 37 221 #define FILE_LEDOUBLE 38 222 #define FILE_BEID3 39 223 #define FILE_LEID3 40 224 #define FILE_INDIRECT 41 225 #define FILE_QWDATE 42 226 #define FILE_LEQWDATE 43 227 #define FILE_BEQWDATE 44 228 #define FILE_NAME 45 229 #define FILE_USE 46 230 #define FILE_CLEAR 47 231 #define FILE_DER 48 232 #define FILE_NAMES_SIZE 49 /* size of array to contain all names */ 233 234 #define IS_STRING(t) \ 235 ((t) == FILE_STRING || \ 236 (t) == FILE_PSTRING || \ 237 (t) == FILE_BESTRING16 || \ 238 (t) == FILE_LESTRING16 || \ 239 (t) == FILE_REGEX || \ 240 (t) == FILE_SEARCH || \ 241 (t) == FILE_INDIRECT || \ 242 (t) == FILE_NAME || \ 243 (t) == FILE_USE) 244 245 #define FILE_FMT_NONE 0 246 #define FILE_FMT_NUM 1 /* "cduxXi" */ 247 #define FILE_FMT_STR 2 /* "s" */ 248 #define FILE_FMT_QUAD 3 /* "ll" */ 249 #define FILE_FMT_FLOAT 4 /* "eEfFgG" */ 250 #define FILE_FMT_DOUBLE 5 /* "eEfFgG" */ 251 252 /* Word 3 */ 253 uint8_t in_op; /* operator for indirection */ 254 uint8_t mask_op; /* operator for mask */ 255 #ifdef ENABLE_CONDITIONALS 256 uint8_t cond; /* conditional type */ 257 #else 258 uint8_t dummy; 259 #endif 260 uint8_t factor_op; 261 #define FILE_FACTOR_OP_PLUS '+' 262 #define FILE_FACTOR_OP_MINUS '-' 263 #define FILE_FACTOR_OP_TIMES '*' 264 #define FILE_FACTOR_OP_DIV '/' 265 #define FILE_FACTOR_OP_NONE '\0' 266 267 #define FILE_OPS "&|^+-*/%" 268 #define FILE_OPAND 0 269 #define FILE_OPOR 1 270 #define FILE_OPXOR 2 271 #define FILE_OPADD 3 272 #define FILE_OPMINUS 4 273 #define FILE_OPMULTIPLY 5 274 #define FILE_OPDIVIDE 6 275 #define FILE_OPMODULO 7 276 #define FILE_OPS_MASK 0x07 /* mask for above ops */ 277 #define FILE_UNUSED_1 0x08 278 #define FILE_UNUSED_2 0x10 279 #define FILE_OPSIGNED 0x20 280 #define FILE_OPINVERSE 0x40 281 #define FILE_OPINDIRECT 0x80 282 283 #ifdef ENABLE_CONDITIONALS 284 #define COND_NONE 0 285 #define COND_IF 1 286 #define COND_ELIF 2 287 #define COND_ELSE 3 288 #endif /* ENABLE_CONDITIONALS */ 289 290 /* Word 4 */ 291 uint32_t offset; /* offset to magic number */ 292 /* Word 5 */ 293 int32_t in_offset; /* offset from indirection */ 294 /* Word 6 */ 295 uint32_t lineno; /* line number in magic file */ 296 /* Word 7,8 */ 297 union { 298 uint64_t _mask; /* for use with numeric and date types */ 299 struct { 300 uint32_t _count; /* repeat/line count */ 301 uint32_t _flags; /* modifier flags */ 302 } _s; /* for use with string types */ 303 } _u; 304 #define num_mask _u._mask 305 #define str_range _u._s._count 306 #define str_flags _u._s._flags 307 /* Words 9-24 */ 308 union VALUETYPE value; /* either number or string */ 309 /* Words 25-40 */ 310 char desc[MAXDESC]; /* description */ 311 /* Words 41-60 */ 312 char mimetype[MAXMIME]; /* MIME type */ 313 /* Words 61-62 */ 314 char apple[8]; /* APPLE CREATOR/TYPE */ 315 /* Words 63-78 */ 316 char ext[64]; /* Popular extensions */ 317 }; 318 319 #define BIT(A) (1 << (A)) 320 #define STRING_COMPACT_WHITESPACE BIT(0) 321 #define STRING_COMPACT_OPTIONAL_WHITESPACE BIT(1) 322 #define STRING_IGNORE_LOWERCASE BIT(2) 323 #define STRING_IGNORE_UPPERCASE BIT(3) 324 #define REGEX_OFFSET_START BIT(4) 325 #define STRING_TEXTTEST BIT(5) 326 #define STRING_BINTEST BIT(6) 327 #define PSTRING_1_BE BIT(7) 328 #define PSTRING_1_LE BIT(7) 329 #define PSTRING_2_BE BIT(8) 330 #define PSTRING_2_LE BIT(9) 331 #define PSTRING_4_BE BIT(10) 332 #define PSTRING_4_LE BIT(11) 333 #define REGEX_LINE_COUNT BIT(11) 334 #define PSTRING_LEN \ 335 (PSTRING_1_BE|PSTRING_2_LE|PSTRING_2_BE|PSTRING_4_LE|PSTRING_4_BE) 336 #define PSTRING_LENGTH_INCLUDES_ITSELF BIT(12) 337 #define STRING_TRIM BIT(13) 338 #define CHAR_COMPACT_WHITESPACE 'W' 339 #define CHAR_COMPACT_OPTIONAL_WHITESPACE 'w' 340 #define CHAR_IGNORE_LOWERCASE 'c' 341 #define CHAR_IGNORE_UPPERCASE 'C' 342 #define CHAR_REGEX_OFFSET_START 's' 343 #define CHAR_TEXTTEST 't' 344 #define CHAR_TRIM 'T' 345 #define CHAR_BINTEST 'b' 346 #define CHAR_PSTRING_1_BE 'B' 347 #define CHAR_PSTRING_1_LE 'B' 348 #define CHAR_PSTRING_2_BE 'H' 349 #define CHAR_PSTRING_2_LE 'h' 350 #define CHAR_PSTRING_4_BE 'L' 351 #define CHAR_PSTRING_4_LE 'l' 352 #define CHAR_PSTRING_LENGTH_INCLUDES_ITSELF 'J' 353 #define STRING_IGNORE_CASE (STRING_IGNORE_LOWERCASE|STRING_IGNORE_UPPERCASE) 354 #define STRING_DEFAULT_RANGE 100 355 356 #define INDIRECT_RELATIVE BIT(0) 357 #define CHAR_INDIRECT_RELATIVE 'r' 358 359 /* list of magic entries */ 360 struct mlist { 361 struct magic *magic; /* array of magic entries */ 362 uint32_t nmagic; /* number of entries in array */ 363 void *map; /* internal resources used by entry */ 364 struct mlist *next, *prev; 365 }; 366 367 #ifdef __cplusplus 368 #define CAST(T, b) static_cast<T>(b) 369 #define RCAST(T, b) reinterpret_cast<T>(b) 370 #define CCAST(T, b) const_cast<T>(b) 371 #else 372 #define CAST(T, b) ((T)(b)) 373 #define RCAST(T, b) ((T)(b)) 374 #define CCAST(T, b) ((T)(uintptr_t)(b)) 375 #endif 376 377 struct level_info { 378 int32_t off; 379 int got_match; 380 #ifdef ENABLE_CONDITIONALS 381 int last_match; 382 int last_cond; /* used for error checking by parse() */ 383 #endif 384 }; 385 386 #define MAGIC_SETS 2 387 388 struct magic_set { 389 struct mlist *mlist[MAGIC_SETS]; /* list of regular entries */ 390 struct cont { 391 size_t len; 392 struct level_info *li; 393 } c; 394 struct out { 395 char *buf; /* Accumulation buffer */ 396 char *pbuf; /* Printable buffer */ 397 } o; 398 uint32_t offset; 399 int error; 400 int flags; /* Control magic tests. */ 401 int event_flags; /* Note things that happened. */ 402 #define EVENT_HAD_ERR 0x01 403 const char *file; 404 size_t line; /* current magic line number */ 405 406 /* data for searches */ 407 struct { 408 const char *s; /* start of search in original source */ 409 size_t s_len; /* length of search region */ 410 size_t offset; /* starting offset in source: XXX - should this be off_t? */ 411 size_t rm_len; /* match length */ 412 } search; 413 414 /* FIXME: Make the string dynamically allocated so that e.g. 415 strings matched in files can be longer than MAXstring */ 416 union VALUETYPE ms_value; /* either number or string */ 417 uint16_t indir_max; 418 uint16_t name_max; 419 uint16_t elf_shnum_max; 420 uint16_t elf_phnum_max; 421 uint16_t elf_notes_max; 422 uint16_t regex_max; 423 size_t bytes_max; /* number of bytes to read from file */ 424 #define FILE_INDIR_MAX 50 425 #define FILE_NAME_MAX 30 426 #define FILE_ELF_SHNUM_MAX 32768 427 #define FILE_ELF_PHNUM_MAX 2048 428 #define FILE_ELF_NOTES_MAX 256 429 #define FILE_REGEX_MAX 8192 430 }; 431 432 /* Type for Unicode characters */ 433 typedef unsigned long unichar; 434 435 struct stat; 436 #define FILE_T_LOCAL 1 437 #define FILE_T_WINDOWS 2 438 protected const char *file_fmttime(uint64_t, int, char *); 439 protected struct magic_set *file_ms_alloc(int); 440 protected void file_ms_free(struct magic_set *); 441 protected int file_buffer(struct magic_set *, int, const char *, const void *, 442 size_t); 443 protected int file_fsmagic(struct magic_set *, const char *, struct stat *); 444 protected int file_pipe2file(struct magic_set *, int, const void *, size_t); 445 protected int file_vprintf(struct magic_set *, const char *, va_list) 446 __attribute__((__format__(__printf__, 2, 0))); 447 protected size_t file_printedlen(const struct magic_set *); 448 protected int file_replace(struct magic_set *, const char *, const char *); 449 protected int file_printf(struct magic_set *, const char *, ...) 450 __attribute__((__format__(__printf__, 2, 3))); 451 protected int file_reset(struct magic_set *, int); 452 protected int file_tryelf(struct magic_set *, int, const unsigned char *, 453 size_t); 454 protected int file_trycdf(struct magic_set *, int, const unsigned char *, 455 size_t); 456 #if HAVE_FORK 457 protected int file_zmagic(struct magic_set *, int, const char *, 458 const unsigned char *, size_t); 459 #endif 460 protected int file_ascmagic(struct magic_set *, const unsigned char *, size_t, 461 int); 462 protected int file_ascmagic_with_encoding(struct magic_set *, 463 const unsigned char *, size_t, unichar *, size_t, const char *, 464 const char *, int); 465 protected int file_encoding(struct magic_set *, const unsigned char *, size_t, 466 unichar **, size_t *, const char **, const char **, const char **); 467 protected int file_is_tar(struct magic_set *, const unsigned char *, size_t); 468 protected int file_softmagic(struct magic_set *, const unsigned char *, size_t, 469 uint16_t *, uint16_t *, int, int); 470 protected int file_apprentice(struct magic_set *, const char *, int); 471 protected int buffer_apprentice(struct magic_set *, struct magic **, 472 size_t *, size_t); 473 protected int file_magicfind(struct magic_set *, const char *, struct mlist *); 474 protected uint64_t file_signextend(struct magic_set *, struct magic *, 475 uint64_t); 476 protected void file_badread(struct magic_set *); 477 protected void file_badseek(struct magic_set *); 478 protected void file_oomem(struct magic_set *, size_t); 479 protected void file_error(struct magic_set *, int, const char *, ...) 480 __attribute__((__format__(__printf__, 3, 4))); 481 protected void file_magerror(struct magic_set *, const char *, ...) 482 __attribute__((__format__(__printf__, 2, 3))); 483 protected void file_magwarn(struct magic_set *, const char *, ...) 484 __attribute__((__format__(__printf__, 2, 3))); 485 protected void file_mdump(struct magic *); 486 protected void file_showstr(FILE *, const char *, size_t); 487 protected size_t file_mbswidth(const char *); 488 protected const char *file_getbuffer(struct magic_set *); 489 protected ssize_t sread(int, void *, size_t, int); 490 protected int file_check_mem(struct magic_set *, unsigned int); 491 protected int file_looks_utf8(const unsigned char *, size_t, unichar *, 492 size_t *); 493 protected size_t file_pstring_length_size(const struct magic *); 494 protected size_t file_pstring_get_length(const struct magic *, const char *); 495 protected char * file_printable(char *, size_t, const char *); 496 #ifdef __EMX__ 497 protected int file_os2_apptype(struct magic_set *, const char *, const void *, 498 size_t); 499 #endif /* __EMX__ */ 500 501 #if defined(HAVE_LOCALE_H) 502 #include <locale.h> 503 #endif 504 #if defined(HAVE_XLOCALE_H) 505 #include <xlocale.h> 506 #endif 507 508 typedef struct { 509 const char *pat; 510 #if defined(HAVE_NEWLOCALE) && defined(HAVE_USELOCALE) && defined(HAVE_FREELOCALE) 511 #define USE_C_LOCALE 512 locale_t old_lc_ctype; 513 locale_t c_lc_ctype; 514 #else 515 char *old_lc_ctype; 516 #endif 517 int rc; 518 regex_t rx; 519 } file_regex_t; 520 521 protected int file_regcomp(file_regex_t *, const char *, int); 522 protected int file_regexec(file_regex_t *, const char *, size_t, regmatch_t *, 523 int); 524 protected void file_regfree(file_regex_t *); 525 protected void file_regerror(file_regex_t *, int, struct magic_set *); 526 527 typedef struct { 528 char *buf; 529 uint32_t offset; 530 } file_pushbuf_t; 531 532 protected file_pushbuf_t *file_push_buffer(struct magic_set *); 533 protected char *file_pop_buffer(struct magic_set *, file_pushbuf_t *); 534 535 #ifndef COMPILE_ONLY 536 extern const char *file_names[]; 537 extern const size_t file_nnames; 538 #endif 539 540 #ifndef HAVE_STRERROR 541 extern int sys_nerr; 542 extern char *sys_errlist[]; 543 #define strerror(e) \ 544 (((e) >= 0 && (e) < sys_nerr) ? sys_errlist[(e)] : "Unknown error") 545 #endif 546 547 #ifndef HAVE_STRTOUL 548 #define strtoul(a, b, c) strtol(a, b, c) 549 #endif 550 551 #ifndef HAVE_PREAD 552 ssize_t pread(int, void *, size_t, off_t); 553 #endif 554 #ifndef HAVE_VASPRINTF 555 int vasprintf(char **, const char *, va_list); 556 #endif 557 #ifndef HAVE_ASPRINTF 558 int asprintf(char **, const char *, ...); 559 #endif 560 #ifndef HAVE_DPRINTF 561 int dprintf(int, const char *, ...); 562 #endif 563 564 #ifndef HAVE_STRLCPY 565 size_t strlcpy(char *, const char *, size_t); 566 #endif 567 #ifndef HAVE_STRLCAT 568 size_t strlcat(char *, const char *, size_t); 569 #endif 570 #ifndef HAVE_STRCASESTR 571 char *strcasestr(const char *, const char *); 572 #endif 573 #ifndef HAVE_GETLINE 574 ssize_t getline(char **, size_t *, FILE *); 575 ssize_t getdelim(char **, size_t *, int, FILE *); 576 #endif 577 #ifndef HAVE_CTIME_R 578 char *ctime_r(const time_t *, char *); 579 #endif 580 #ifndef HAVE_ASCTIME_R 581 char *asctime_r(const struct tm *, char *); 582 #endif 583 #ifndef HAVE_GMTIME_R 584 struct tm *gmtime_r(const time_t *, struct tm *); 585 #endif 586 #ifndef HAVE_LOCALTIME_R 587 struct tm *localtime_r(const time_t *, struct tm *); 588 #endif 589 #ifndef HAVE_FMTCHECK 590 const char *fmtcheck(const char *, const char *) 591 __attribute__((__format_arg__(2))); 592 #endif 593 594 #if defined(HAVE_MMAP) && defined(HAVE_SYS_MMAN_H) && !defined(QUICK) 595 #define QUICK 596 #endif 597 598 #ifndef O_BINARY 599 #define O_BINARY 0 600 #endif 601 602 #ifndef __cplusplus 603 #if defined(__GNUC__) && (__GNUC__ >= 3) 604 #define FILE_RCSID(id) \ 605 static const char rcsid[] __attribute__((__used__)) = id; 606 #else 607 #define FILE_RCSID(id) \ 608 static const char *rcsid(const char *p) { \ 609 return rcsid(p = id); \ 610 } 611 #endif 612 #else 613 #define FILE_RCSID(id) 614 #endif 615 #ifndef __RCSID 616 #define __RCSID(a) 617 #endif 618 619 #endif /* __file_h__ */ 620