xref: /PHP-8.0/ext/fileinfo/libmagic/file.h (revision 39f95f56)
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 1.220 2020/06/08 17:38:27 christos Exp $
31  */
32 
33 #ifndef __file_h__
34 #define __file_h__
35 
36 #include "config.h"
37 
38 #include "ext/standard/php_string.h"
39 #include "ext/pcre/php_pcre.h"
40 
41 #include <stdint.h>
42 #include <inttypes.h>
43 
44 #ifndef __STDC_LIMIT_MACROS
45 #define __STDC_LIMIT_MACROS
46 #endif
47 #ifndef __STDC_FORMAT_MACROS
48 #define __STDC_FORMAT_MACROS
49 #endif
50 
51 #ifdef _WIN32
52 # ifdef PRIu32
53 #  ifdef _WIN64
54 #   define SIZE_T_FORMAT PRIu64
55 #  else
56 #   define SIZE_T_FORMAT PRIu32
57 #  endif
58 #  define INT64_T_FORMAT PRIi64
59 #  define INTMAX_T_FORMAT PRIiMAX
60 # else
61 #  ifdef _WIN64
62 #   define SIZE_T_FORMAT "I64"
63 #  else
64 #   define SIZE_T_FORMAT ""
65 #  endif
66 #  define INT64_T_FORMAT "I64"
67 #  define INTMAX_T_FORMAT "I64"
68 # endif
69 #else
70 # define SIZE_T_FORMAT "z"
71 # define INT64_T_FORMAT "ll"
72 # define INTMAX_T_FORMAT "j"
73 #endif
74 
75 #include <stdio.h>	/* Include that here, to make sure __P gets defined */
76 #include <errno.h>
77 #include <fcntl.h>	/* For open and flags */
78 
79 #include <sys/types.h>
80 #ifdef PHP_WIN32
81 #include "win32/param.h"
82 #else
83 #include <sys/param.h>
84 #endif
85 /* Do this here and now, because struct stat gets re-defined on solaris */
86 #include <sys/stat.h>
87 #include <stdarg.h>
88 
89 #define abort()	zend_error_noreturn(E_ERROR, "fatal libmagic error")
90 
91 #define ENABLE_CONDITIONALS
92 
93 #ifndef MAGIC
94 #define MAGIC "/etc/magic"
95 #endif
96 
97 #if defined(__EMX__) || defined(PHP_WIN32)
98 #define PATHSEP	';'
99 #else
100 #define PATHSEP	':'
101 #endif
102 
103 #define private static
104 
105 #if HAVE_VISIBILITY && !defined(WIN32)
106 #define public  __attribute__ ((__visibility__("default")))
107 #ifndef protected
108 #define protected __attribute__ ((__visibility__("hidden")))
109 #endif
110 #else
111 #define public
112 #ifndef protected
113 #define protected
114 #endif
115 #endif
116 
117 #ifndef __arraycount
118 #define __arraycount(a) (sizeof(a) / sizeof(a[0]))
119 #endif
120 
121 #ifndef __GNUC_PREREQ__
122 #ifdef __GNUC__
123 #define	__GNUC_PREREQ__(x, y)						\
124 	((__GNUC__ == (x) && __GNUC_MINOR__ >= (y)) ||			\
125 	 (__GNUC__ > (x)))
126 #else
127 #define	__GNUC_PREREQ__(x, y)	0
128 #endif
129 #endif
130 
131 #ifndef MIN
132 #define	MIN(a,b)	(((a) < (b)) ? (a) : (b))
133 #endif
134 
135 #ifndef MAX
136 #define	MAX(a,b)	(((a) > (b)) ? (a) : (b))
137 #endif
138 
139 #define FILE_BADSIZE CAST(size_t, ~0ul)
140 #define MAXDESC	64		/* max len of text description/MIME type */
141 #define MAXMIME	80		/* max len of text MIME type */
142 #define MAXstring 128		/* max len of "string" types */
143 
144 #define MAGICNO		0xF11E041C
145 #define VERSIONNO	16
146 #define FILE_MAGICSIZE	376
147 
148 #define FILE_GUID_SIZE	sizeof("XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX")
149 
150 #define	FILE_LOAD	0
151 #define FILE_CHECK	1
152 #define FILE_COMPILE	2
153 #define FILE_LIST	3
154 
155 struct buffer {
156 	int fd;
157 	zend_stat_t st;
158 	const void *fbuf;
159 	size_t flen;
160 	zend_off_t eoff;
161 	void *ebuf;
162 	size_t elen;
163 };
164 
165 union VALUETYPE {
166 	uint8_t b;
167 	uint16_t h;
168 	uint32_t l;
169 	uint64_t q;
170 	uint8_t hs[2];	/* 2 bytes of a fixed-endian "short" */
171 	uint8_t hl[4];	/* 4 bytes of a fixed-endian "long" */
172 	uint8_t hq[8];	/* 8 bytes of a fixed-endian "quad" */
173 	char s[MAXstring];	/* the search string or regex pattern */
174 	unsigned char us[MAXstring];
175 	uint64_t guid[2];
176 	float f;
177 	double d;
178 };
179 
180 struct magic {
181 	/* Word 1 */
182 	uint16_t cont_level;	/* level of ">" */
183 	uint8_t flag;
184 #define INDIR		0x01	/* if '(...)' appears */
185 #define OFFADD		0x02	/* if '>&' or '>...(&' appears */
186 #define INDIROFFADD	0x04	/* if '>&(' appears */
187 #define UNSIGNED	0x08	/* comparison is unsigned */
188 #define NOSPACE		0x10	/* suppress space character before output */
189 #define BINTEST		0x20	/* test is for a binary type (set only
190 				   for top-level tests) */
191 #define TEXTTEST	0x40	/* for passing to file_softmagic */
192 #define OFFNEGATIVE	0x80	/* relative to the end of file */
193 
194 	uint8_t factor;
195 
196 	/* Word 2 */
197 	uint8_t reln;		/* relation (0=eq, '>'=gt, etc) */
198 	uint8_t vallen;		/* length of string value, if any */
199 	uint8_t type;		/* comparison type (FILE_*) */
200 	uint8_t in_type;	/* type of indirection */
201 #define 			FILE_INVALID	0
202 #define 			FILE_BYTE	1
203 #define				FILE_SHORT	2
204 #define				FILE_DEFAULT	3
205 #define				FILE_LONG	4
206 #define				FILE_STRING	5
207 #define				FILE_DATE	6
208 #define				FILE_BESHORT	7
209 #define				FILE_BELONG	8
210 #define				FILE_BEDATE	9
211 #define				FILE_LESHORT	10
212 #define				FILE_LELONG	11
213 #define				FILE_LEDATE	12
214 #define				FILE_PSTRING	13
215 #define				FILE_LDATE	14
216 #define				FILE_BELDATE	15
217 #define				FILE_LELDATE	16
218 #define				FILE_REGEX	17
219 #define				FILE_BESTRING16	18
220 #define				FILE_LESTRING16	19
221 #define				FILE_SEARCH	20
222 #define				FILE_MEDATE	21
223 #define				FILE_MELDATE	22
224 #define				FILE_MELONG	23
225 #define				FILE_QUAD	24
226 #define				FILE_LEQUAD	25
227 #define				FILE_BEQUAD	26
228 #define				FILE_QDATE	27
229 #define				FILE_LEQDATE	28
230 #define				FILE_BEQDATE	29
231 #define				FILE_QLDATE	30
232 #define				FILE_LEQLDATE	31
233 #define				FILE_BEQLDATE	32
234 #define				FILE_FLOAT	33
235 #define				FILE_BEFLOAT	34
236 #define				FILE_LEFLOAT	35
237 #define				FILE_DOUBLE	36
238 #define				FILE_BEDOUBLE	37
239 #define				FILE_LEDOUBLE	38
240 #define				FILE_BEID3	39
241 #define				FILE_LEID3	40
242 #define				FILE_INDIRECT	41
243 #define				FILE_QWDATE	42
244 #define				FILE_LEQWDATE	43
245 #define				FILE_BEQWDATE	44
246 #define				FILE_NAME	45
247 #define				FILE_USE	46
248 #define				FILE_CLEAR	47
249 #define				FILE_DER	48
250 #define				FILE_GUID	49
251 #define				FILE_OFFSET	50
252 #define				FILE_NAMES_SIZE	51 /* size of array to contain all names */
253 
254 #define IS_LIBMAGIC_STRING(t) \
255 	((t) == FILE_STRING || \
256 	 (t) == FILE_PSTRING || \
257 	 (t) == FILE_BESTRING16 || \
258 	 (t) == FILE_LESTRING16 || \
259 	 (t) == FILE_REGEX || \
260 	 (t) == FILE_SEARCH || \
261 	 (t) == FILE_INDIRECT || \
262 	 (t) == FILE_NAME || \
263 	 (t) == FILE_USE)
264 
265 #define FILE_FMT_NONE 0
266 #define FILE_FMT_NUM  1 /* "cduxXi" */
267 #define FILE_FMT_STR  2 /* "s" */
268 #define FILE_FMT_QUAD 3 /* "ll" */
269 #define FILE_FMT_FLOAT 4 /* "eEfFgG" */
270 #define FILE_FMT_DOUBLE 5 /* "eEfFgG" */
271 
272 	/* Word 3 */
273 	uint8_t in_op;		/* operator for indirection */
274 	uint8_t mask_op;	/* operator for mask */
275 #ifdef ENABLE_CONDITIONALS
276 	uint8_t cond;		/* conditional type */
277 #else
278 	uint8_t dummy;
279 #endif
280 	uint8_t factor_op;
281 #define		FILE_FACTOR_OP_PLUS	'+'
282 #define		FILE_FACTOR_OP_MINUS	'-'
283 #define		FILE_FACTOR_OP_TIMES	'*'
284 #define		FILE_FACTOR_OP_DIV	'/'
285 #define		FILE_FACTOR_OP_NONE	'\0'
286 
287 #define				FILE_OPS	"&|^+-*/%"
288 #define				FILE_OPAND	0
289 #define				FILE_OPOR	1
290 #define				FILE_OPXOR	2
291 #define				FILE_OPADD	3
292 #define				FILE_OPMINUS	4
293 #define				FILE_OPMULTIPLY	5
294 #define				FILE_OPDIVIDE	6
295 #define				FILE_OPMODULO	7
296 #define				FILE_OPS_MASK	0x07 /* mask for above ops */
297 #define				FILE_UNUSED_1	0x08
298 #define				FILE_UNUSED_2	0x10
299 #define				FILE_OPSIGNED	0x20
300 #define				FILE_OPINVERSE	0x40
301 #define				FILE_OPINDIRECT	0x80
302 
303 #ifdef ENABLE_CONDITIONALS
304 #define				COND_NONE	0
305 #define				COND_IF		1
306 #define				COND_ELIF	2
307 #define				COND_ELSE	3
308 #endif /* ENABLE_CONDITIONALS */
309 
310 	/* Word 4 */
311 	int32_t offset;		/* offset to magic number */
312 	/* Word 5 */
313 	int32_t in_offset;	/* offset from indirection */
314 	/* Word 6 */
315 	uint32_t lineno;	/* line number in magic file */
316 	/* Word 7,8 */
317 	union {
318 		uint64_t _mask;	/* for use with numeric and date types */
319 		struct {
320 			uint32_t _count;	/* repeat/line count */
321 			uint32_t _flags;	/* modifier flags */
322 		} _s;		/* for use with string types */
323 	} _u;
324 #define num_mask _u._mask
325 #define str_range _u._s._count
326 #define str_flags _u._s._flags
327 	/* Words 9-24 */
328 	union VALUETYPE value;	/* either number or string */
329 	/* Words 25-40 */
330 	char desc[MAXDESC];	/* description */
331 	/* Words 41-60 */
332 	char mimetype[MAXMIME]; /* MIME type */
333 	/* Words 61-62 */
334 	char apple[8];		/* APPLE CREATOR/TYPE */
335 	/* Words 63-78 */
336 	char ext[64];		/* Popular extensions */
337 };
338 
339 #define BIT(A)   (1 << (A))
340 #define STRING_COMPACT_WHITESPACE		BIT(0)
341 #define STRING_COMPACT_OPTIONAL_WHITESPACE	BIT(1)
342 #define STRING_IGNORE_LOWERCASE			BIT(2)
343 #define STRING_IGNORE_UPPERCASE			BIT(3)
344 #define REGEX_OFFSET_START			BIT(4)
345 #define STRING_TEXTTEST				BIT(5)
346 #define STRING_BINTEST				BIT(6)
347 #define PSTRING_1_BE				BIT(7)
348 #define PSTRING_1_LE				BIT(7)
349 #define PSTRING_2_BE				BIT(8)
350 #define PSTRING_2_LE				BIT(9)
351 #define PSTRING_4_BE				BIT(10)
352 #define PSTRING_4_LE				BIT(11)
353 #define REGEX_LINE_COUNT			BIT(11)
354 #define PSTRING_LEN	\
355     (PSTRING_1_BE|PSTRING_2_LE|PSTRING_2_BE|PSTRING_4_LE|PSTRING_4_BE)
356 #define PSTRING_LENGTH_INCLUDES_ITSELF		BIT(12)
357 #define	STRING_TRIM				BIT(13)
358 #define CHAR_COMPACT_WHITESPACE			'W'
359 #define CHAR_COMPACT_OPTIONAL_WHITESPACE	'w'
360 #define CHAR_IGNORE_LOWERCASE			'c'
361 #define CHAR_IGNORE_UPPERCASE			'C'
362 #define CHAR_REGEX_OFFSET_START			's'
363 #define CHAR_TEXTTEST				't'
364 #define	CHAR_TRIM				'T'
365 #define CHAR_BINTEST				'b'
366 #define CHAR_PSTRING_1_BE			'B'
367 #define CHAR_PSTRING_1_LE			'B'
368 #define CHAR_PSTRING_2_BE			'H'
369 #define CHAR_PSTRING_2_LE			'h'
370 #define CHAR_PSTRING_4_BE			'L'
371 #define CHAR_PSTRING_4_LE			'l'
372 #define CHAR_PSTRING_LENGTH_INCLUDES_ITSELF     'J'
373 #define STRING_IGNORE_CASE		(STRING_IGNORE_LOWERCASE|STRING_IGNORE_UPPERCASE)
374 #define STRING_DEFAULT_RANGE		100
375 
376 #define	INDIRECT_RELATIVE			BIT(0)
377 #define	CHAR_INDIRECT_RELATIVE			'r'
378 
379 /* list of magic entries */
380 struct mlist {
381 	struct magic *magic;		/* array of magic entries */
382 	uint32_t nmagic;		/* number of entries in array */
383 	void *map;			/* internal resources used by entry */
384 	struct mlist *next, *prev;
385 };
386 
387 #ifdef __cplusplus
388 #define CAST(T, b)	static_cast<T>(b)
389 #define RCAST(T, b)	reinterpret_cast<T>(b)
390 #define CCAST(T, b)	const_cast<T>(b)
391 #else
392 #define CAST(T, b)	((T)(b))
393 #define RCAST(T, b)	((T)(uintptr_t)(b))
394 #define CCAST(T, b)	((T)(uintptr_t)(b))
395 #endif
396 
397 struct level_info {
398 	int32_t off;
399 	int got_match;
400 #ifdef ENABLE_CONDITIONALS
401 	int last_match;
402 	int last_cond;	/* used for error checking by parse() */
403 #endif
404 };
405 
406 #define MAGIC_SETS	2
407 
408 struct magic_set {
409 	struct mlist *mlist[MAGIC_SETS];	/* list of regular entries */
410 	struct cont {
411 		size_t len;
412 		struct level_info *li;
413 	} c;
414 	struct out {
415 		char *buf;		/* Accumulation buffer */
416 		size_t blen;		/* Length of buffer */
417 		char *pbuf;		/* Printable buffer */
418 	} o;
419 	uint32_t offset;			/* a copy of m->offset while we */
420 					/* are working on the magic entry */
421 	uint32_t eoffset;		/* offset from end of file */
422 	int error;
423 	int flags;			/* Control magic tests. */
424 	int event_flags;		/* Note things that happened. */
425 #define 		EVENT_HAD_ERR		0x01
426 	const char *file;
427 	size_t line;			/* current magic line number */
428 	mode_t mode;			/* copy of current stat mode */
429 
430 	/* data for searches */
431 	struct {
432 		const char *s;		/* start of search in original source */
433 		size_t s_len;		/* length of search region */
434 		size_t offset;		/* starting offset in source: XXX - should this be off_t? */
435 		size_t rm_len;		/* match length */
436 	} search;
437 
438 	/* FIXME: Make the string dynamically allocated so that e.g.
439 	   strings matched in files can be longer than MAXstring */
440 	union VALUETYPE ms_value;	/* either number or string */
441 	uint16_t indir_max;
442 	uint16_t name_max;
443 	uint16_t elf_shnum_max;
444 	uint16_t elf_phnum_max;
445 	uint16_t elf_notes_max;
446 	uint16_t regex_max;
447 	size_t bytes_max;		/* number of bytes to read from file */
448 #ifndef FILE_BYTES_MAX
449 # define FILE_BYTES_MAX (1024 * 1024)	/* how much of the file to look at */
450 #endif
451 #define	FILE_ELF_NOTES_MAX		256
452 #define	FILE_ELF_PHNUM_MAX		2048
453 #define	FILE_ELF_SHNUM_MAX		32768
454 #define	FILE_INDIR_MAX			50
455 #define	FILE_NAME_MAX			50
456 #define	FILE_REGEX_MAX			8192
457 };
458 
459 /* Type for Unicode characters */
460 typedef unsigned long unicodechar;
461 
462 #define FILE_T_LOCAL	1
463 #define FILE_T_WINDOWS	2
464 protected const char *file_fmttime(char *, size_t, uint64_t, int);
465 protected struct magic_set *file_ms_alloc(int);
466 protected void file_ms_free(struct magic_set *);
467 protected int file_buffer(struct magic_set *, php_stream *, zend_stat_t *, const char *, const void *,
468     size_t);
469 protected int file_fsmagic(struct magic_set *, const char *, zend_stat_t *);
470 protected int file_pipe2file(struct magic_set *, int, const void *, size_t);
471 protected int file_separator(struct magic_set *);
472 protected char *file_copystr(char *, size_t, size_t, const char *);
473 protected int file_checkfmt(char *, size_t, const char *);
474 protected size_t file_printedlen(const struct magic_set *);
475 protected int file_print_guid(char *, size_t, const uint64_t *);
476 protected int file_parse_guid(const char *, uint64_t *);
477 protected int file_replace(struct magic_set *, const char *, const char *);
478 protected int file_printf(struct magic_set *, const char *, ...);
479 protected int file_reset(struct magic_set *, int);
480 protected int file_tryelf(struct magic_set *, const struct buffer *);
481 protected int file_trycdf(struct magic_set *, const struct buffer *);
482 #ifdef PHP_FILEINFO_UNCOMPRESS
483 protected int file_zmagic(struct magic_set *, const struct buffer *,
484     const char *);
485 #endif
486 protected int file_ascmagic(struct magic_set *, const struct buffer *,
487     int);
488 protected int file_ascmagic_with_encoding(struct magic_set *,
489     const struct buffer *, unicodechar *, size_t, const char *, const char *, int);
490 protected int file_encoding(struct magic_set *, const struct buffer *,
491     unicodechar **, size_t *, const char **, const char **, const char **);
492 protected int file_is_json(struct magic_set *, const struct buffer *);
493 protected int file_is_csv(struct magic_set *, const struct buffer *, int);
494 protected int file_is_tar(struct magic_set *, const struct buffer *);
495 protected int file_softmagic(struct magic_set *, const struct buffer *,
496     uint16_t *, uint16_t *, int, int);
497 protected int file_apprentice(struct magic_set *, const char *, int);
498 protected int file_magicfind(struct magic_set *, const char *, struct mlist *);
499 protected uint64_t file_signextend(struct magic_set *, struct magic *,
500     uint64_t);
501 protected void file_badread(struct magic_set *);
502 protected void file_badseek(struct magic_set *);
503 protected void file_oomem(struct magic_set *, size_t);
504 protected void file_error(struct magic_set *, int, const char *, ...);
505 protected void file_magerror(struct magic_set *, const char *, ...);
506 protected void file_magwarn(struct magic_set *, const char *, ...);
507 protected void file_mdump(struct magic *);
508 protected void file_showstr(FILE *, const char *, size_t);
509 protected size_t file_mbswidth(const char *);
510 protected const char *file_getbuffer(struct magic_set *);
511 protected ssize_t sread(int, void *, size_t, int);
512 protected int file_check_mem(struct magic_set *, unsigned int);
513 protected int file_looks_utf8(const unsigned char *, size_t, unicodechar *,
514     size_t *);
515 protected size_t file_pstring_length_size(struct magic_set *,
516     const struct magic *);
517 protected size_t file_pstring_get_length(struct magic_set *,
518     const struct magic *, const char *);
519 protected char * file_printable(char *, size_t, const char *, size_t);
520 #ifdef __EMX__
521 protected int file_os2_apptype(struct magic_set *, const char *, const void *,
522     size_t);
523 #endif /* __EMX__ */
524 
525 protected void buffer_init(struct buffer *, int, const zend_stat_t *,
526     const void *, size_t);
527 protected void buffer_fini(struct buffer *);
528 protected int buffer_fill(const struct buffer *);
529 
530 public zend_string* convert_libmagic_pattern(const char *val, size_t len, uint32_t options);
531 
532 typedef struct {
533 	char *buf;
534 	size_t blen;
535 	uint32_t offset;
536 } file_pushbuf_t;
537 
538 protected file_pushbuf_t *file_push_buffer(struct magic_set *);
539 protected char  *file_pop_buffer(struct magic_set *, file_pushbuf_t *);
540 
541 #ifndef COMPILE_ONLY
542 extern const char *file_names[];
543 extern const size_t file_nnames;
544 #endif
545 
546 #ifndef strlcpy
547 size_t strlcpy(char *, const char *, size_t);
548 #endif
549 #ifndef strlcat
550 size_t strlcat(char *, const char *, size_t);
551 #endif
552 #ifndef HAVE_STRCASESTR
553 char *strcasestr(const char *, const char *);
554 #endif
555 #ifndef HAVE_GETLINE
556 ssize_t getline(char **, size_t *, FILE *);
557 ssize_t getdelim(char **, size_t *, int, FILE *);
558 #endif
559 #ifndef HAVE_CTIME_R
560 char   *ctime_r(const time_t *, char *);
561 #endif
562 #ifndef HAVE_ASCTIME_R
563 char   *asctime_r(const struct tm *, char *);
564 #endif
565 
566 #if defined(HAVE_MMAP) && defined(HAVE_SYS_MMAN_H) && !defined(QUICK)
567 #define QUICK
568 #endif
569 
570 #ifndef O_BINARY
571 #define O_BINARY	0
572 #endif
573 #ifndef O_NONBLOCK
574 #define O_NONBLOCK	0
575 #endif
576 
577 #ifndef __cplusplus
578 #if defined(__GNUC__) && (__GNUC__ >= 3)
579 #define FILE_RCSID(id) \
580 static const char rcsid[] __attribute__((__used__)) = id;
581 #else
582 #define FILE_RCSID(id) \
583 static const char *rcsid(const char *p) { \
584 	return rcsid(p = id); \
585 }
586 #endif
587 #else
588 #define FILE_RCSID(id)
589 #endif
590 #ifndef __RCSID
591 #define __RCSID(a)
592 #endif
593 
594 #ifdef PHP_WIN32
595 #ifdef _WIN64
596 #define FINFO_LSEEK_FUNC _lseeki64
597 #else
598 #define FINFO_LSEEK_FUNC _lseek
599 #endif
600 #define FINFO_READ_FUNC _read
601 #else
602 #define FINFO_LSEEK_FUNC lseek
603 #define FINFO_READ_FUNC read
604 #endif
605 
606 #endif /* __file_h__ */
607