mirror of
https://github.com/php/php-src.git
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411e97c72d
yet unfinished port to libmagic 5.28 catch with missing libmagic port pieces regenerate data file with magic from 5.28 test magic files from 5.28 missing files fix path pure c99 is still not supported move right to 5.29, yet some bugs present more sync with orig lib more ZMM usage use unpatched data for now partial revert according to bug #67705 Revert "more ZMM usage" This reverts commit 5e3c9b851034b455942b219b18bdc49c8315c3ee. several fixes, so it's now closer to the clean port
566 lines
16 KiB
C
566 lines
16 KiB
C
/*
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* Copyright (c) Ian F. Darwin 1986-1995.
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* Software written by Ian F. Darwin and others;
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* maintained 1995-present by Christos Zoulas and others.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice immediately at the beginning of the file, without modification,
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* this list of conditions, and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* file.h - definitions for file(1) program
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* @(#)$File: file.h,v 1.180 2016/07/20 11:27:08 christos Exp $
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*/
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#ifndef __file_h__
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#define __file_h__
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#include "config.h"
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#ifdef PHP_WIN32
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#ifdef _WIN64
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#define SIZE_T_FORMAT "I64"
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#else
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#define SIZE_T_FORMAT ""
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#endif
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#define INT64_T_FORMAT "I64"
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#define INTMAX_T_FORMAT "I64"
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#else
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#define SIZE_T_FORMAT "z"
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#define INT64_T_FORMAT "ll"
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#define INTMAX_T_FORMAT "j"
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#endif
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#include <stdio.h> /* Include that here, to make sure __P gets defined */
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#include <errno.h>
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#include <fcntl.h> /* For open and flags */
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#ifdef HAVE_STDINT_H
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#ifndef __STDC_LIMIT_MACROS
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#define __STDC_LIMIT_MACROS
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#endif
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#include <stdint.h>
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#endif
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#ifdef HAVE_INTTYPES_H
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#include <inttypes.h>
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#endif
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#ifdef PHP_WIN32
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#include "win32/php_stdint.h"
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#endif
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#include "php.h"
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#include "ext/standard/php_string.h"
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#include "ext/pcre/php_pcre.h"
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#include <sys/types.h>
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#ifdef PHP_WIN32
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#include "win32/param.h"
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#else
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#include <sys/param.h>
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#endif
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/* Do this here and now, because struct stat gets re-defined on solaris */
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#include <sys/stat.h>
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#include <stdarg.h>
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#define ENABLE_CONDITIONALS
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#ifndef MAGIC
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#define MAGIC "/etc/magic"
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#endif
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#if defined(__EMX__) || defined(PHP_WIN32)
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#define PATHSEP ';'
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#else
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#define PATHSEP ':'
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#endif
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#define private static
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#if HAVE_VISIBILITY && !defined(WIN32)
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#define public __attribute__ ((__visibility__("default")))
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#ifndef protected
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#define protected __attribute__ ((__visibility__("hidden")))
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#endif
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#else
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#define public
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#ifndef protected
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#define protected
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#endif
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#endif
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#ifndef __arraycount
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#define __arraycount(a) (sizeof(a) / sizeof(a[0]))
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#endif
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#ifndef __GNUC_PREREQ__
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#ifdef __GNUC__
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#define __GNUC_PREREQ__(x, y) \
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((__GNUC__ == (x) && __GNUC_MINOR__ >= (y)) || \
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(__GNUC__ > (x)))
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#else
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#define __GNUC_PREREQ__(x, y) 0
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#endif
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#endif
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#ifndef MIN
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#define MIN(a,b) (((a) < (b)) ? (a) : (b))
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#endif
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#ifndef MAX
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#define MAX(a,b) (((a) > (b)) ? (a) : (b))
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#endif
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#ifndef FILE_BYTES_MAX
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# define FILE_BYTES_MAX (1024 * 1024) /* how much of the file to look at */
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#endif
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#define MAXMAGIS 8192 /* max entries in any one magic file
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or directory */
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#define MAXDESC 64 /* max len of text description/MIME type */
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#define MAXMIME 80 /* max len of text MIME type */
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#define MAXstring 96 /* max len of "string" types */
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#define MAGICNO 0xF11E041C
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#define VERSIONNO 14
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#define FILE_MAGICSIZE 344
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#define FILE_LOAD 0
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#define FILE_CHECK 1
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#define FILE_COMPILE 2
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#define FILE_LIST 3
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union VALUETYPE {
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uint8_t b;
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uint16_t h;
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uint32_t l;
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uint64_t q;
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uint8_t hs[2]; /* 2 bytes of a fixed-endian "short" */
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uint8_t hl[4]; /* 4 bytes of a fixed-endian "long" */
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uint8_t hq[8]; /* 8 bytes of a fixed-endian "quad" */
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char s[MAXstring]; /* the search string or regex pattern */
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unsigned char us[MAXstring];
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float f;
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double d;
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};
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struct magic {
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/* Word 1 */
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uint16_t cont_level; /* level of ">" */
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uint8_t flag;
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#define INDIR 0x01 /* if '(...)' appears */
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#define OFFADD 0x02 /* if '>&' or '>...(&' appears */
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#define INDIROFFADD 0x04 /* if '>&(' appears */
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#define UNSIGNED 0x08 /* comparison is unsigned */
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#define NOSPACE 0x10 /* suppress space character before output */
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#define BINTEST 0x20 /* test is for a binary type (set only
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for top-level tests) */
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#define TEXTTEST 0x40 /* for passing to file_softmagic */
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uint8_t factor;
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/* Word 2 */
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uint8_t reln; /* relation (0=eq, '>'=gt, etc) */
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uint8_t vallen; /* length of string value, if any */
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uint8_t type; /* comparison type (FILE_*) */
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uint8_t in_type; /* type of indirection */
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#define FILE_INVALID 0
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#define FILE_BYTE 1
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#define FILE_SHORT 2
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#define FILE_DEFAULT 3
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#define FILE_LONG 4
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#define FILE_STRING 5
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#define FILE_DATE 6
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#define FILE_BESHORT 7
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#define FILE_BELONG 8
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#define FILE_BEDATE 9
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#define FILE_LESHORT 10
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#define FILE_LELONG 11
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#define FILE_LEDATE 12
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#define FILE_PSTRING 13
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#define FILE_LDATE 14
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#define FILE_BELDATE 15
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#define FILE_LELDATE 16
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#define FILE_REGEX 17
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#define FILE_BESTRING16 18
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#define FILE_LESTRING16 19
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#define FILE_SEARCH 20
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#define FILE_MEDATE 21
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#define FILE_MELDATE 22
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#define FILE_MELONG 23
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#define FILE_QUAD 24
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#define FILE_LEQUAD 25
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#define FILE_BEQUAD 26
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#define FILE_QDATE 27
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#define FILE_LEQDATE 28
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#define FILE_BEQDATE 29
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#define FILE_QLDATE 30
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#define FILE_LEQLDATE 31
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#define FILE_BEQLDATE 32
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#define FILE_FLOAT 33
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#define FILE_BEFLOAT 34
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#define FILE_LEFLOAT 35
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#define FILE_DOUBLE 36
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#define FILE_BEDOUBLE 37
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#define FILE_LEDOUBLE 38
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#define FILE_BEID3 39
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#define FILE_LEID3 40
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#define FILE_INDIRECT 41
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#define FILE_QWDATE 42
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#define FILE_LEQWDATE 43
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#define FILE_BEQWDATE 44
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#define FILE_NAME 45
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#define FILE_USE 46
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#define FILE_CLEAR 47
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#define FILE_DER 48
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#define FILE_NAMES_SIZE 49 /* size of array to contain all names */
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#define IS_LIBMAGIC_STRING(t) \
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((t) == FILE_STRING || \
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(t) == FILE_PSTRING || \
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(t) == FILE_BESTRING16 || \
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(t) == FILE_LESTRING16 || \
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(t) == FILE_REGEX || \
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(t) == FILE_SEARCH || \
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(t) == FILE_INDIRECT || \
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(t) == FILE_NAME || \
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(t) == FILE_USE)
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#define FILE_FMT_NONE 0
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#define FILE_FMT_NUM 1 /* "cduxXi" */
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#define FILE_FMT_STR 2 /* "s" */
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#define FILE_FMT_QUAD 3 /* "ll" */
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#define FILE_FMT_FLOAT 4 /* "eEfFgG" */
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#define FILE_FMT_DOUBLE 5 /* "eEfFgG" */
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/* Word 3 */
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uint8_t in_op; /* operator for indirection */
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uint8_t mask_op; /* operator for mask */
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#ifdef ENABLE_CONDITIONALS
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uint8_t cond; /* conditional type */
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#else
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uint8_t dummy;
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#endif
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uint8_t factor_op;
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#define FILE_FACTOR_OP_PLUS '+'
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#define FILE_FACTOR_OP_MINUS '-'
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#define FILE_FACTOR_OP_TIMES '*'
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#define FILE_FACTOR_OP_DIV '/'
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#define FILE_FACTOR_OP_NONE '\0'
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#define FILE_OPS "&|^+-*/%"
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#define FILE_OPAND 0
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#define FILE_OPOR 1
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#define FILE_OPXOR 2
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#define FILE_OPADD 3
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#define FILE_OPMINUS 4
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#define FILE_OPMULTIPLY 5
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#define FILE_OPDIVIDE 6
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#define FILE_OPMODULO 7
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#define FILE_OPS_MASK 0x07 /* mask for above ops */
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#define FILE_UNUSED_1 0x08
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#define FILE_UNUSED_2 0x10
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#define FILE_OPSIGNED 0x20
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#define FILE_OPINVERSE 0x40
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#define FILE_OPINDIRECT 0x80
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#ifdef ENABLE_CONDITIONALS
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#define COND_NONE 0
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#define COND_IF 1
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#define COND_ELIF 2
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#define COND_ELSE 3
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#endif /* ENABLE_CONDITIONALS */
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/* Word 4 */
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uint32_t offset; /* offset to magic number */
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/* Word 5 */
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int32_t in_offset; /* offset from indirection */
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/* Word 6 */
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uint32_t lineno; /* line number in magic file */
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/* Word 7,8 */
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union {
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uint64_t _mask; /* for use with numeric and date types */
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struct {
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uint32_t _count; /* repeat/line count */
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uint32_t _flags; /* modifier flags */
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} _s; /* for use with string types */
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} _u;
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#define num_mask _u._mask
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#define str_range _u._s._count
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#define str_flags _u._s._flags
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/* Words 9-24 */
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union VALUETYPE value; /* either number or string */
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/* Words 25-40 */
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char desc[MAXDESC]; /* description */
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/* Words 41-60 */
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char mimetype[MAXMIME]; /* MIME type */
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/* Words 61-62 */
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char apple[8]; /* APPLE CREATOR/TYPE */
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/* Words 63-78 */
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char ext[64]; /* Popular extensions */
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};
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#define BIT(A) (1 << (A))
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#define STRING_COMPACT_WHITESPACE BIT(0)
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#define STRING_COMPACT_OPTIONAL_WHITESPACE BIT(1)
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#define STRING_IGNORE_LOWERCASE BIT(2)
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#define STRING_IGNORE_UPPERCASE BIT(3)
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#define REGEX_OFFSET_START BIT(4)
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#define STRING_TEXTTEST BIT(5)
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#define STRING_BINTEST BIT(6)
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#define PSTRING_1_BE BIT(7)
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#define PSTRING_1_LE BIT(7)
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#define PSTRING_2_BE BIT(8)
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#define PSTRING_2_LE BIT(9)
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#define PSTRING_4_BE BIT(10)
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#define PSTRING_4_LE BIT(11)
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#define REGEX_LINE_COUNT BIT(11)
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#define PSTRING_LEN \
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(PSTRING_1_BE|PSTRING_2_LE|PSTRING_2_BE|PSTRING_4_LE|PSTRING_4_BE)
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#define PSTRING_LENGTH_INCLUDES_ITSELF BIT(12)
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#define STRING_TRIM BIT(13)
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#define CHAR_COMPACT_WHITESPACE 'W'
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#define CHAR_COMPACT_OPTIONAL_WHITESPACE 'w'
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#define CHAR_IGNORE_LOWERCASE 'c'
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#define CHAR_IGNORE_UPPERCASE 'C'
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#define CHAR_REGEX_OFFSET_START 's'
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#define CHAR_TEXTTEST 't'
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#define CHAR_TRIM 'T'
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#define CHAR_BINTEST 'b'
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#define CHAR_PSTRING_1_BE 'B'
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#define CHAR_PSTRING_1_LE 'B'
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#define CHAR_PSTRING_2_BE 'H'
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#define CHAR_PSTRING_2_LE 'h'
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#define CHAR_PSTRING_4_BE 'L'
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#define CHAR_PSTRING_4_LE 'l'
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#define CHAR_PSTRING_LENGTH_INCLUDES_ITSELF 'J'
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#define STRING_IGNORE_CASE (STRING_IGNORE_LOWERCASE|STRING_IGNORE_UPPERCASE)
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#define STRING_DEFAULT_RANGE 100
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#define INDIRECT_RELATIVE BIT(0)
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#define CHAR_INDIRECT_RELATIVE 'r'
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/* list of magic entries */
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struct mlist {
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struct magic *magic; /* array of magic entries */
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uint32_t nmagic; /* number of entries in array */
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void *map; /* internal resources used by entry */
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struct mlist *next, *prev;
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};
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#ifdef __cplusplus
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#define CAST(T, b) static_cast<T>(b)
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#define RCAST(T, b) reinterpret_cast<T>(b)
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#define CCAST(T, b) const_cast<T>(b)
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#else
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#define CAST(T, b) ((T)(b))
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#define RCAST(T, b) ((T)(b))
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#define CCAST(T, b) ((T)(uintptr_t)(b))
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#endif
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struct level_info {
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int32_t off;
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int got_match;
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#ifdef ENABLE_CONDITIONALS
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int last_match;
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int last_cond; /* used for error checking by parse() */
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#endif
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};
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#define MAGIC_SETS 2
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struct magic_set {
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struct mlist *mlist[MAGIC_SETS]; /* list of regular entries */
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struct cont {
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size_t len;
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struct level_info *li;
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} c;
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struct out {
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char *buf; /* Accumulation buffer */
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char *pbuf; /* Printable buffer */
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} o;
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uint32_t offset;
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int error;
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int flags; /* Control magic tests. */
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int event_flags; /* Note things that happened. */
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#define EVENT_HAD_ERR 0x01
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const char *file;
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size_t line; /* current magic line number */
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/* data for searches */
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struct {
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const char *s; /* start of search in original source */
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size_t s_len; /* length of search region */
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size_t offset; /* starting offset in source: XXX - should this be off_t? */
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size_t rm_len; /* match length */
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} search;
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/* FIXME: Make the string dynamically allocated so that e.g.
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strings matched in files can be longer than MAXstring */
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union VALUETYPE ms_value; /* either number or string */
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uint16_t indir_max;
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uint16_t name_max;
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uint16_t elf_shnum_max;
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uint16_t elf_phnum_max;
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uint16_t elf_notes_max;
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uint16_t regex_max;
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size_t bytes_max; /* number of bytes to read from file */
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#define FILE_INDIR_MAX 50
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#define FILE_NAME_MAX 30
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#define FILE_ELF_SHNUM_MAX 32768
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#define FILE_ELF_PHNUM_MAX 2048
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#define FILE_ELF_NOTES_MAX 256
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#define FILE_REGEX_MAX 8192
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};
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/* Type for Unicode characters */
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typedef unsigned long unichar;
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#define FILE_T_LOCAL 1
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#define FILE_T_WINDOWS 2
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protected const char *file_fmttime(uint64_t, int, char *);
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protected struct magic_set *file_ms_alloc(int);
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protected void file_ms_free(struct magic_set *);
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protected int file_buffer(struct magic_set *, php_stream *, const char *, const void *,
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size_t);
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protected int file_fsmagic(struct magic_set *, const char *, zend_stat_t *, php_stream *);
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protected int file_pipe2file(struct magic_set *, int, const void *, size_t);
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protected size_t file_printedlen(const struct magic_set *);
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protected int file_replace(struct magic_set *, const char *, const char *);
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protected int file_printf(struct magic_set *, const char *, ...);
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protected int file_reset(struct magic_set *);
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protected int file_trycdf(struct magic_set *, int, const unsigned char *,
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size_t);
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#ifdef PHP_FILEINFO_UNCOMPRESS
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protected int file_zmagic(struct magic_set *, int, const char *,
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const unsigned char *, size_t);
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#endif
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protected int file_ascmagic(struct magic_set *, const unsigned char *, size_t,
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int);
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protected int file_ascmagic_with_encoding(struct magic_set *,
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const unsigned char *, size_t, unichar *, size_t, const char *,
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const char *, int);
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protected int file_encoding(struct magic_set *, const unsigned char *, size_t,
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unichar **, size_t *, const char **, const char **, const char **);
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protected int file_is_tar(struct magic_set *, const unsigned char *, size_t);
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protected int file_softmagic(struct magic_set *, const unsigned char *, size_t,
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uint16_t *, uint16_t *, int, int);
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protected int file_apprentice(struct magic_set *, const char *, int);
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protected int buffer_apprentice(struct magic_set *, struct magic **,
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size_t *, size_t);
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protected int file_magicfind(struct magic_set *, const char *, struct mlist *);
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protected uint64_t file_signextend(struct magic_set *, struct magic *,
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uint64_t);
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protected void file_delmagic(struct magic *, int type, size_t entries);
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protected void file_badread(struct magic_set *);
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|
protected void file_badseek(struct magic_set *);
|
|
protected void file_oomem(struct magic_set *, size_t);
|
|
protected void file_error(struct magic_set *, int, const char *, ...);
|
|
protected void file_magerror(struct magic_set *, const char *, ...);
|
|
protected void file_magwarn(struct magic_set *, const char *, ...);
|
|
protected void file_showstr(FILE *, const char *, size_t);
|
|
protected size_t file_mbswidth(const char *);
|
|
protected const char *file_getbuffer(struct magic_set *);
|
|
protected ssize_t sread(int, void *, size_t, int);
|
|
protected int file_check_mem(struct magic_set *, unsigned int);
|
|
protected int file_looks_utf8(const unsigned char *, size_t, unichar *,
|
|
size_t *);
|
|
protected size_t file_pstring_length_size(const struct magic *);
|
|
protected size_t file_pstring_get_length(const struct magic *, const char *);
|
|
protected char * file_printable(char *, size_t, const char *);
|
|
#ifdef __EMX__
|
|
protected int file_os2_apptype(struct magic_set *, const char *, const void *,
|
|
size_t);
|
|
#endif /* __EMX__ */
|
|
|
|
typedef struct {
|
|
char *buf;
|
|
uint32_t offset;
|
|
} file_pushbuf_t;
|
|
|
|
protected file_pushbuf_t *file_push_buffer(struct magic_set *);
|
|
protected char *file_pop_buffer(struct magic_set *, file_pushbuf_t *);
|
|
|
|
extern const char *file_names[];
|
|
extern const size_t file_nnames;
|
|
|
|
#ifndef HAVE_STRERROR
|
|
extern int sys_nerr;
|
|
extern char *sys_errlist[];
|
|
#define strerror(e) \
|
|
(((e) >= 0 && (e) < sys_nerr) ? sys_errlist[(e)] : "Unknown error")
|
|
#endif
|
|
|
|
#ifndef HAVE_STRTOUL
|
|
#define strtoul(a, b, c) strtol(a, b, c)
|
|
#endif
|
|
|
|
#ifndef strlcpy
|
|
size_t strlcpy(char *, const char *, size_t);
|
|
#endif
|
|
#ifndef strlcat
|
|
size_t strlcat(char *, const char *, size_t);
|
|
#endif
|
|
#ifndef HAVE_STRCASESTR
|
|
char *strcasestr(const char *, const char *);
|
|
#endif
|
|
#ifndef HAVE_GETLINE
|
|
ssize_t getline(char **, size_t *, FILE *);
|
|
ssize_t getdelim(char **, size_t *, int, FILE *);
|
|
#endif
|
|
#ifndef HAVE_CTIME_R
|
|
char *ctime_r(const time_t *, char *);
|
|
#endif
|
|
#ifndef HAVE_ASCTIME_R
|
|
char *asctime_r(const struct tm *, char *);
|
|
#endif
|
|
|
|
#if defined(HAVE_MMAP) && defined(HAVE_SYS_MMAN_H) && !defined(QUICK)
|
|
#define QUICK
|
|
#endif
|
|
|
|
#ifndef O_BINARY
|
|
#define O_BINARY 0
|
|
#endif
|
|
|
|
#ifndef __cplusplus
|
|
#if defined(__GNUC__) && (__GNUC__ >= 3)
|
|
#define FILE_RCSID(id) \
|
|
static const char rcsid[] __attribute__((__used__)) = id;
|
|
#else
|
|
#define FILE_RCSID(id) \
|
|
static const char *rcsid(const char *p) { \
|
|
return rcsid(p = id); \
|
|
}
|
|
#endif
|
|
#else
|
|
#define FILE_RCSID(id)
|
|
#endif
|
|
|
|
#ifdef PHP_WIN32
|
|
#define FINFO_LSEEK_FUNC _lseek
|
|
#define FINFO_READ_FUNC _read
|
|
#else
|
|
#define FINFO_LSEEK_FUNC lseek
|
|
#define FINFO_READ_FUNC read
|
|
#endif
|
|
#ifndef __RCSID
|
|
#define __RCSID(a)
|
|
#endif
|
|
|
|
#endif /* __file_h__ */
|