xref: /PHP-8.1/ext/fileinfo/libmagic/file.h (revision cd238bd0)
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 1.225 2021/02/05 22:29:07 christos Exp $
31  */
32 
33 #ifndef __file_h__
34 #define __file_h__
35 
36 #include "config.h"
37 
38 #include "php.h"
39 #include "ext/standard/php_string.h"
40 #include "ext/pcre/php_pcre.h"
41 
42 #include <stdint.h>
43 #include <inttypes.h>
44 
45 #ifndef __STDC_LIMIT_MACROS
46 #define __STDC_LIMIT_MACROS
47 #endif
48 #ifndef __STDC_FORMAT_MACROS
49 #define __STDC_FORMAT_MACROS
50 #endif
51 
52 #ifdef _WIN32
53 # ifdef PRIu32
54 #  ifdef _WIN64
55 #   define SIZE_T_FORMAT PRIu64
56 #  else
57 #   define SIZE_T_FORMAT PRIu32
58 #  endif
59 #  define INT64_T_FORMAT PRIi64
60 #  define INTMAX_T_FORMAT PRIiMAX
61 # else
62 #  ifdef _WIN64
63 #   define SIZE_T_FORMAT "I64"
64 #  else
65 #   define SIZE_T_FORMAT ""
66 #  endif
67 #  define INT64_T_FORMAT "I64"
68 #  define INTMAX_T_FORMAT "I64"
69 # endif
70 #else
71 # define SIZE_T_FORMAT "z"
72 # define INT64_T_FORMAT "ll"
73 # define INTMAX_T_FORMAT "j"
74 #endif
75 
76 #include <stdio.h>	/* Include that here, to make sure __P gets defined */
77 #include <errno.h>
78 #include <fcntl.h>	/* For open and flags */
79 
80 #include <sys/types.h>
81 #ifdef PHP_WIN32
82 #include "win32/param.h"
83 #else
84 #include <sys/param.h>
85 #endif
86 /* Do this here and now, because struct stat gets re-defined on solaris */
87 #include <sys/stat.h>
88 #include <stdarg.h>
89 
90 #define abort()	zend_error_noreturn(E_ERROR, "fatal libmagic error")
91 
92 #define ENABLE_CONDITIONALS
93 
94 #ifndef MAGIC
95 #define MAGIC "/etc/magic"
96 #endif
97 
98 #if defined(__EMX__) || defined(PHP_WIN32)
99 #define PATHSEP	';'
100 #else
101 #define PATHSEP	':'
102 #endif
103 
104 #define private static
105 
106 #if HAVE_VISIBILITY && !defined(WIN32)
107 #define public  __attribute__ ((__visibility__("default")))
108 #ifndef protected
109 #define protected __attribute__ ((__visibility__("hidden")))
110 #endif
111 #else
112 #define public
113 #ifndef protected
114 #define protected
115 #endif
116 #endif
117 
118 #ifndef __arraycount
119 #define __arraycount(a) (sizeof(a) / sizeof(a[0]))
120 #endif
121 
122 #ifndef __GNUC_PREREQ__
123 #ifdef __GNUC__
124 #define	__GNUC_PREREQ__(x, y)						\
125 	((__GNUC__ == (x) && __GNUC_MINOR__ >= (y)) ||			\
126 	 (__GNUC__ > (x)))
127 #else
128 #define	__GNUC_PREREQ__(x, y)	0
129 #endif
130 #endif
131 
132 #ifndef MIN
133 #define	MIN(a,b)	(((a) < (b)) ? (a) : (b))
134 #endif
135 
136 #ifndef MAX
137 #define	MAX(a,b)	(((a) > (b)) ? (a) : (b))
138 #endif
139 
140 #ifndef O_CLOEXEC
141 # define O_CLOEXEC 0
142 #endif
143 
144 #ifndef FD_CLOEXEC
145 # define FD_CLOEXEC 1
146 #endif
147 
148 #define FILE_BADSIZE CAST(size_t, ~0ul)
149 #define MAXDESC	64		/* max len of text description/MIME type */
150 #define MAXMIME	80		/* max len of text MIME type */
151 #define MAXstring 128		/* max len of "string" types */
152 
153 #define MAGICNO		0xF11E041C
154 #define VERSIONNO	16
155 #define FILE_MAGICSIZE	376
156 
157 #define FILE_GUID_SIZE	sizeof("XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX")
158 
159 #define	FILE_LOAD	0
160 #define FILE_CHECK	1
161 #define FILE_COMPILE	2
162 #define FILE_LIST	3
163 
164 struct buffer {
165 	int fd;
166 	zend_stat_t st;
167 	const void *fbuf;
168 	size_t flen;
169 	zend_off_t eoff;
170 	void *ebuf;
171 	size_t elen;
172 };
173 
174 union VALUETYPE {
175 	uint8_t b;
176 	uint16_t h;
177 	uint32_t l;
178 	uint64_t q;
179 	uint8_t hs[2];	/* 2 bytes of a fixed-endian "short" */
180 	uint8_t hl[4];	/* 4 bytes of a fixed-endian "long" */
181 	uint8_t hq[8];	/* 8 bytes of a fixed-endian "quad" */
182 	char s[MAXstring];	/* the search string or regex pattern */
183 	unsigned char us[MAXstring];
184 	uint64_t guid[2];
185 	float f;
186 	double d;
187 };
188 
189 struct magic {
190 	/* Word 1 */
191 	uint16_t cont_level;	/* level of ">" */
192 	uint8_t flag;
193 #define INDIR		0x01	/* if '(...)' appears */
194 #define OFFADD		0x02	/* if '>&' or '>...(&' appears */
195 #define INDIROFFADD	0x04	/* if '>&(' appears */
196 #define UNSIGNED	0x08	/* comparison is unsigned */
197 #define NOSPACE		0x10	/* suppress space character before output */
198 #define BINTEST		0x20	/* test is for a binary type (set only
199 				   for top-level tests) */
200 #define TEXTTEST	0x40	/* for passing to file_softmagic */
201 #define OFFNEGATIVE	0x80	/* relative to the end of file */
202 
203 	uint8_t factor;
204 
205 	/* Word 2 */
206 	uint8_t reln;		/* relation (0=eq, '>'=gt, etc) */
207 	uint8_t vallen;		/* length of string value, if any */
208 	uint8_t type;		/* comparison type (FILE_*) */
209 	uint8_t in_type;	/* type of indirection */
210 #define 			FILE_INVALID	0
211 #define 			FILE_BYTE	1
212 #define				FILE_SHORT	2
213 #define				FILE_DEFAULT	3
214 #define				FILE_LONG	4
215 #define				FILE_STRING	5
216 #define				FILE_DATE	6
217 #define				FILE_BESHORT	7
218 #define				FILE_BELONG	8
219 #define				FILE_BEDATE	9
220 #define				FILE_LESHORT	10
221 #define				FILE_LELONG	11
222 #define				FILE_LEDATE	12
223 #define				FILE_PSTRING	13
224 #define				FILE_LDATE	14
225 #define				FILE_BELDATE	15
226 #define				FILE_LELDATE	16
227 #define				FILE_REGEX	17
228 #define				FILE_BESTRING16	18
229 #define				FILE_LESTRING16	19
230 #define				FILE_SEARCH	20
231 #define				FILE_MEDATE	21
232 #define				FILE_MELDATE	22
233 #define				FILE_MELONG	23
234 #define				FILE_QUAD	24
235 #define				FILE_LEQUAD	25
236 #define				FILE_BEQUAD	26
237 #define				FILE_QDATE	27
238 #define				FILE_LEQDATE	28
239 #define				FILE_BEQDATE	29
240 #define				FILE_QLDATE	30
241 #define				FILE_LEQLDATE	31
242 #define				FILE_BEQLDATE	32
243 #define				FILE_FLOAT	33
244 #define				FILE_BEFLOAT	34
245 #define				FILE_LEFLOAT	35
246 #define				FILE_DOUBLE	36
247 #define				FILE_BEDOUBLE	37
248 #define				FILE_LEDOUBLE	38
249 #define				FILE_BEID3	39
250 #define				FILE_LEID3	40
251 #define				FILE_INDIRECT	41
252 #define				FILE_QWDATE	42
253 #define				FILE_LEQWDATE	43
254 #define				FILE_BEQWDATE	44
255 #define				FILE_NAME	45
256 #define				FILE_USE	46
257 #define				FILE_CLEAR	47
258 #define				FILE_DER	48
259 #define				FILE_GUID	49
260 #define				FILE_OFFSET	50
261 #define				FILE_NAMES_SIZE	51 /* size of array to contain all names */
262 
263 #define IS_LIBMAGIC_STRING(t) \
264 	((t) == FILE_STRING || \
265 	 (t) == FILE_PSTRING || \
266 	 (t) == FILE_BESTRING16 || \
267 	 (t) == FILE_LESTRING16 || \
268 	 (t) == FILE_REGEX || \
269 	 (t) == FILE_SEARCH || \
270 	 (t) == FILE_INDIRECT || \
271 	 (t) == FILE_NAME || \
272 	 (t) == FILE_USE)
273 
274 #define FILE_FMT_NONE 0
275 #define FILE_FMT_NUM  1 /* "cduxXi" */
276 #define FILE_FMT_STR  2 /* "s" */
277 #define FILE_FMT_QUAD 3 /* "ll" */
278 #define FILE_FMT_FLOAT 4 /* "eEfFgG" */
279 #define FILE_FMT_DOUBLE 5 /* "eEfFgG" */
280 
281 	/* Word 3 */
282 	uint8_t in_op;		/* operator for indirection */
283 	uint8_t mask_op;	/* operator for mask */
284 #ifdef ENABLE_CONDITIONALS
285 	uint8_t cond;		/* conditional type */
286 #else
287 	uint8_t dummy;
288 #endif
289 	uint8_t factor_op;
290 #define		FILE_FACTOR_OP_PLUS	'+'
291 #define		FILE_FACTOR_OP_MINUS	'-'
292 #define		FILE_FACTOR_OP_TIMES	'*'
293 #define		FILE_FACTOR_OP_DIV	'/'
294 #define		FILE_FACTOR_OP_NONE	'\0'
295 
296 #define				FILE_OPS	"&|^+-*/%"
297 #define				FILE_OPAND	0
298 #define				FILE_OPOR	1
299 #define				FILE_OPXOR	2
300 #define				FILE_OPADD	3
301 #define				FILE_OPMINUS	4
302 #define				FILE_OPMULTIPLY	5
303 #define				FILE_OPDIVIDE	6
304 #define				FILE_OPMODULO	7
305 #define				FILE_OPS_MASK	0x07 /* mask for above ops */
306 #define				FILE_UNUSED_1	0x08
307 #define				FILE_UNUSED_2	0x10
308 #define				FILE_OPSIGNED	0x20
309 #define				FILE_OPINVERSE	0x40
310 #define				FILE_OPINDIRECT	0x80
311 
312 #ifdef ENABLE_CONDITIONALS
313 #define				COND_NONE	0
314 #define				COND_IF		1
315 #define				COND_ELIF	2
316 #define				COND_ELSE	3
317 #endif /* ENABLE_CONDITIONALS */
318 
319 	/* Word 4 */
320 	int32_t offset;		/* offset to magic number */
321 	/* Word 5 */
322 	int32_t in_offset;	/* offset from indirection */
323 	/* Word 6 */
324 	uint32_t lineno;	/* line number in magic file */
325 	/* Word 7,8 */
326 	union {
327 		uint64_t _mask;	/* for use with numeric and date types */
328 		struct {
329 			uint32_t _count;	/* repeat/line count */
330 			uint32_t _flags;	/* modifier flags */
331 		} _s;		/* for use with string types */
332 	} _u;
333 #define num_mask _u._mask
334 #define str_range _u._s._count
335 #define str_flags _u._s._flags
336 	/* Words 9-24 */
337 	union VALUETYPE value;	/* either number or string */
338 	/* Words 25-40 */
339 	char desc[MAXDESC];	/* description */
340 	/* Words 41-60 */
341 	char mimetype[MAXMIME]; /* MIME type */
342 	/* Words 61-62 */
343 	char apple[8];		/* APPLE CREATOR/TYPE */
344 	/* Words 63-78 */
345 	char ext[64];		/* Popular extensions */
346 };
347 
348 #define BIT(A)   (1 << (A))
349 #define STRING_COMPACT_WHITESPACE		BIT(0)
350 #define STRING_COMPACT_OPTIONAL_WHITESPACE	BIT(1)
351 #define STRING_IGNORE_LOWERCASE			BIT(2)
352 #define STRING_IGNORE_UPPERCASE			BIT(3)
353 #define REGEX_OFFSET_START			BIT(4)
354 #define STRING_TEXTTEST				BIT(5)
355 #define STRING_BINTEST				BIT(6)
356 #define PSTRING_1_BE				BIT(7)
357 #define PSTRING_1_LE				BIT(7)
358 #define PSTRING_2_BE				BIT(8)
359 #define PSTRING_2_LE				BIT(9)
360 #define PSTRING_4_BE				BIT(10)
361 #define PSTRING_4_LE				BIT(11)
362 #define REGEX_LINE_COUNT			BIT(11)
363 #define PSTRING_LEN	\
364     (PSTRING_1_BE|PSTRING_2_LE|PSTRING_2_BE|PSTRING_4_LE|PSTRING_4_BE)
365 #define PSTRING_LENGTH_INCLUDES_ITSELF		BIT(12)
366 #define	STRING_TRIM				BIT(13)
367 #define CHAR_COMPACT_WHITESPACE			'W'
368 #define CHAR_COMPACT_OPTIONAL_WHITESPACE	'w'
369 #define CHAR_IGNORE_LOWERCASE			'c'
370 #define CHAR_IGNORE_UPPERCASE			'C'
371 #define CHAR_REGEX_OFFSET_START			's'
372 #define CHAR_TEXTTEST				't'
373 #define	CHAR_TRIM				'T'
374 #define CHAR_BINTEST				'b'
375 #define CHAR_PSTRING_1_BE			'B'
376 #define CHAR_PSTRING_1_LE			'B'
377 #define CHAR_PSTRING_2_BE			'H'
378 #define CHAR_PSTRING_2_LE			'h'
379 #define CHAR_PSTRING_4_BE			'L'
380 #define CHAR_PSTRING_4_LE			'l'
381 #define CHAR_PSTRING_LENGTH_INCLUDES_ITSELF     'J'
382 #define STRING_IGNORE_CASE		(STRING_IGNORE_LOWERCASE|STRING_IGNORE_UPPERCASE)
383 #define STRING_DEFAULT_RANGE		100
384 
385 #define	INDIRECT_RELATIVE			BIT(0)
386 #define	CHAR_INDIRECT_RELATIVE			'r'
387 
388 /* list of magic entries */
389 struct mlist {
390 	struct magic *magic;		/* array of magic entries */
391 	uint32_t nmagic;		/* number of entries in array */
392 	void *map;			/* internal resources used by entry */
393 	struct mlist *next, *prev;
394 };
395 
396 #ifdef __cplusplus
397 #define CAST(T, b)	static_cast<T>(b)
398 #define RCAST(T, b)	reinterpret_cast<T>(b)
399 #define CCAST(T, b)	const_cast<T>(b)
400 #else
401 #define CAST(T, b)	((T)(b))
402 #define RCAST(T, b)	((T)(uintptr_t)(b))
403 #define CCAST(T, b)	((T)(uintptr_t)(b))
404 #endif
405 
406 struct level_info {
407 	int32_t off;
408 	int got_match;
409 #ifdef ENABLE_CONDITIONALS
410 	int last_match;
411 	int last_cond;	/* used for error checking by parse() */
412 #endif
413 };
414 
415 struct cont {
416 	size_t len;
417 	struct level_info *li;
418 };
419 
420 #define MAGIC_SETS	2
421 
422 struct magic_set {
423 	struct mlist *mlist[MAGIC_SETS];	/* list of regular entries */
424 	struct cont c;
425 	struct out {
426 		char *buf;		/* Accumulation buffer */
427 		size_t blen;		/* Length of buffer */
428 		char *pbuf;		/* Printable buffer */
429 	} o;
430 	uint32_t offset;			/* a copy of m->offset while we */
431 					/* are working on the magic entry */
432 	uint32_t eoffset;		/* offset from end of file */
433 	int error;
434 	int flags;			/* Control magic tests. */
435 	int event_flags;		/* Note things that happened. */
436 #define 		EVENT_HAD_ERR		0x01
437 	const char *file;
438 	size_t line;			/* current magic line number */
439 	mode_t mode;			/* copy of current stat mode */
440 
441 	/* data for searches */
442 	struct {
443 		const char *s;		/* start of search in original source */
444 		size_t s_len;		/* length of search region */
445 		size_t offset;		/* starting offset in source: XXX - should this be off_t? */
446 		size_t rm_len;		/* match length */
447 	} search;
448 
449 	/* FIXME: Make the string dynamically allocated so that e.g.
450 	   strings matched in files can be longer than MAXstring */
451 	union VALUETYPE ms_value;	/* either number or string */
452 	uint16_t indir_max;
453 	uint16_t name_max;
454 	uint16_t elf_shnum_max;
455 	uint16_t elf_phnum_max;
456 	uint16_t elf_notes_max;
457 	uint16_t regex_max;
458 	size_t bytes_max;		/* number of bytes to read from file */
459 	size_t encoding_max;		/* bytes to look for encoding */
460 #ifndef FILE_BYTES_MAX
461 # define FILE_BYTES_MAX (1024 * 1024)	/* how much of the file to look at */
462 #endif
463 #define	FILE_ELF_NOTES_MAX		256
464 #define	FILE_ELF_PHNUM_MAX		2048
465 #define	FILE_ELF_SHNUM_MAX		32768
466 #define	FILE_INDIR_MAX			50
467 #define	FILE_NAME_MAX			50
468 #define	FILE_REGEX_MAX			8192
469 #define	FILE_ENCODING_MAX		(64 * 1024)
470 };
471 
472 /* Type for Unicode characters */
473 typedef unsigned long file_unichar_t;
474 
475 struct stat;
476 #define FILE_T_LOCAL	1
477 #define FILE_T_WINDOWS	2
478 protected const char *file_fmttime(char *, size_t, uint64_t, int);
479 protected struct magic_set *file_ms_alloc(int);
480 protected void file_ms_free(struct magic_set *);
481 protected int file_buffer(struct magic_set *, php_stream *, zend_stat_t *, const char *, const void *,
482     size_t);
483 protected int file_fsmagic(struct magic_set *, const char *, zend_stat_t *);
484 protected int file_pipe2file(struct magic_set *, int, const void *, size_t);
485 protected int file_vprintf(struct magic_set *, const char *, va_list);
486 protected int file_separator(struct magic_set *);
487 protected char *file_copystr(char *, size_t, size_t, const char *);
488 protected int file_checkfmt(char *, size_t, const char *);
489 protected size_t file_printedlen(const struct magic_set *);
490 protected int file_print_guid(char *, size_t, const uint64_t *);
491 protected int file_parse_guid(const char *, uint64_t *);
492 protected int file_replace(struct magic_set *, const char *, const char *);
493 protected int file_printf(struct magic_set *, const char *, ...);
494 protected int file_reset(struct magic_set *, int);
495 protected int file_tryelf(struct magic_set *, const struct buffer *);
496 protected int file_trycdf(struct magic_set *, const struct buffer *);
497 #ifdef PHP_FILEINFO_UNCOMPRESS
498 protected int file_zmagic(struct magic_set *, const struct buffer *,
499     const char *);
500 #endif
501 protected int file_ascmagic(struct magic_set *, const struct buffer *,
502     int);
503 protected int file_ascmagic_with_encoding(struct magic_set *,
504     const struct buffer *, file_unichar_t *, size_t, const char *, const char *, int);
505 protected int file_encoding(struct magic_set *, const struct buffer *,
506     file_unichar_t **, size_t *, const char **, const char **, const char **);
507 protected int file_is_json(struct magic_set *, const struct buffer *);
508 protected int file_is_csv(struct magic_set *, const struct buffer *, int);
509 protected int file_is_tar(struct magic_set *, const struct buffer *);
510 protected int file_softmagic(struct magic_set *, const struct buffer *,
511     uint16_t *, uint16_t *, int, int);
512 protected int file_apprentice(struct magic_set *, const char *, int);
513 protected int buffer_apprentice(struct magic_set *, struct magic **,
514     size_t *, size_t);
515 protected int file_magicfind(struct magic_set *, const char *, struct mlist *);
516 protected uint64_t file_signextend(struct magic_set *, struct magic *,
517     uint64_t);
518 protected void file_badread(struct magic_set *);
519 protected void file_badseek(struct magic_set *);
520 protected void file_oomem(struct magic_set *, size_t);
521 protected void file_error(struct magic_set *, int, const char *, ...);
522 protected void file_magerror(struct magic_set *, const char *, ...);
523 protected void file_magwarn(struct magic_set *, const char *, ...);
524 protected void file_mdump(struct magic *);
525 protected void file_showstr(FILE *, const char *, size_t);
526 protected size_t file_mbswidth(const char *);
527 protected const char *file_getbuffer(struct magic_set *);
528 protected ssize_t sread(int, void *, size_t, int);
529 protected int file_check_mem(struct magic_set *, unsigned int);
530 protected int file_looks_utf8(const unsigned char *, size_t, file_unichar_t *,
531     size_t *);
532 protected size_t file_pstring_length_size(struct magic_set *,
533     const struct magic *);
534 protected size_t file_pstring_get_length(struct magic_set *,
535     const struct magic *, const char *);
536 protected char * file_printable(char *, size_t, const char *, size_t);
537 #ifdef __EMX__
538 protected int file_os2_apptype(struct magic_set *, const char *, const void *,
539     size_t);
540 #endif /* __EMX__ */
541 protected int file_pipe_closexec(int *);
542 protected int file_clear_closexec(int);
543 protected char *file_strtrim(char *);
544 
545 protected void buffer_init(struct buffer *, int, const zend_stat_t *,
546     const void *, size_t);
547 protected void buffer_fini(struct buffer *);
548 protected int buffer_fill(const struct buffer *);
549 
550 public zend_string* convert_libmagic_pattern(const char *val, size_t len, uint32_t options);
551 
552 typedef struct {
553 	char *buf;
554 	size_t blen;
555 	uint32_t offset;
556 } file_pushbuf_t;
557 
558 protected file_pushbuf_t *file_push_buffer(struct magic_set *);
559 protected char  *file_pop_buffer(struct magic_set *, file_pushbuf_t *);
560 
561 #ifndef COMPILE_ONLY
562 extern const char *file_names[];
563 extern const size_t file_nnames;
564 #endif
565 
566 #ifndef strlcpy
567 size_t strlcpy(char *, const char *, size_t);
568 #endif
569 #ifndef strlcat
570 size_t strlcat(char *, const char *, size_t);
571 #endif
572 #ifndef HAVE_STRCASESTR
573 char *strcasestr(const char *, const char *);
574 #endif
575 #ifndef HAVE_GETLINE
576 ssize_t getline(char **, size_t *, FILE *);
577 ssize_t getdelim(char **, size_t *, int, FILE *);
578 #endif
579 #ifndef HAVE_CTIME_R
580 char   *ctime_r(const time_t *, char *);
581 #endif
582 #ifndef HAVE_ASCTIME_R
583 char   *asctime_r(const struct tm *, char *);
584 #endif
585 
586 #if defined(HAVE_MMAP) && defined(HAVE_SYS_MMAN_H) && !defined(QUICK)
587 #define QUICK
588 #endif
589 
590 #ifndef O_BINARY
591 #define O_BINARY	0
592 #endif
593 #ifndef O_NONBLOCK
594 #define O_NONBLOCK	0
595 #endif
596 
597 #ifndef __cplusplus
598 #if defined(__GNUC__) && (__GNUC__ >= 3)
599 #define FILE_RCSID(id) \
600 static const char rcsid[] __attribute__((__used__)) = id;
601 #else
602 #define FILE_RCSID(id) \
603 static const char *rcsid(const char *p) { \
604 	return rcsid(p = id); \
605 }
606 #endif
607 #else
608 #define FILE_RCSID(id)
609 #endif
610 #ifndef __RCSID
611 #define __RCSID(a)
612 #endif
613 
614 #ifdef PHP_WIN32
615 #ifdef _WIN64
616 #define FINFO_LSEEK_FUNC _lseeki64
617 #else
618 #define FINFO_LSEEK_FUNC _lseek
619 #endif
620 #define FINFO_READ_FUNC _read
621 #else
622 #define FINFO_LSEEK_FUNC lseek
623 #define FINFO_READ_FUNC read
624 #endif
625 
626 #endif /* __file_h__ */
627