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244 lines
11 KiB
C
244 lines
11 KiB
C
/*
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+----------------------------------------------------------------------+
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| phar php single-file executable PHP extension |
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+----------------------------------------------------------------------+
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| Copyright (c) 2006-2014 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt. |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Gregory Beaver <cellog@php.net> |
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| Marcus Boerger <helly@php.net> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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typedef struct _phar_zip_file_header {
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char signature[4]; /* local file header signature 4 bytes (0x04034b50) */
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char zipversion[2]; /* version needed to extract 2 bytes */
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char flags[2]; /* general purpose bit flag 2 bytes */
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char compressed[2]; /* compression method 2 bytes */
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char timestamp[2]; /* last mod file time 2 bytes */
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char datestamp[2]; /* last mod file date 2 bytes */
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char crc32[4]; /* crc-32 4 bytes */
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char compsize[4]; /* compressed size 4 bytes */
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char uncompsize[4]; /* uncompressed size 4 bytes */
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char filename_len[2]; /* file name length 2 bytes */
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char extra_len[2]; /* extra field length 2 bytes */
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/* file name (variable size) */
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/* extra field (variable size) */
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} phar_zip_file_header;
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/* unused in this release */
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typedef struct _phar_zip_file_datadesc {
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char signature[4]; /* signature (optional) 4 bytes */
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char crc32[4]; /* crc-32 4 bytes */
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char compsize[4]; /* compressed size 4 bytes */
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char uncompsize[4]; /* uncompressed size 4 bytes */
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} phar_zip_data_desc;
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/* unused in this release */
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typedef struct _phar_zip_file_datadesc_zip64 {
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char crc32[4]; /* crc-32 4 bytes */
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char compsize[4]; /* compressed size 8 bytes */
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char compsize2[4];
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char uncompsize[4]; /* uncompressed size 8 bytes */
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char uncompsize2[4];
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} phar_zip_data_desc_zip64;
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typedef struct _phar_zip_archive_extra_data_record {
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char signature[4]; /* archive extra data signature 4 bytes (0x08064b50) */
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char len[4]; /* extra field length 4 bytes */
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/* extra field data (variable size) */
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} phar_zip_archive_extra_data_record;
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/* madeby/extractneeded value if bzip2 compression is used */
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#define PHAR_ZIP_BZIP2 "46"
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/* madeby/extractneeded value for other cases */
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#define PHAR_ZIP_NORM "20"
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#define PHAR_ZIP_FLAG_ENCRYPTED 0x0001
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/* data descriptor present for this file */
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#define PHAR_ZIP_FLAG_DATADESC 0x0008
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#define PHAR_ZIP_FLAG_UTF8 0x0400
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/*
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0 - The file is stored (no compression)
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1 - The file is Shrunk
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2 - The file is Reduced with compression factor 1
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3 - The file is Reduced with compression factor 2
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4 - The file is Reduced with compression factor 3
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5 - The file is Reduced with compression factor 4
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6 - The file is Imploded
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7 - Reserved for Tokenizing compression algorithm
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8 - The file is Deflated
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9 - Enhanced Deflating using Deflate64(tm)
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10 - PKWARE Data Compression Library Imploding (old IBM TERSE)
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11 - Reserved by PKWARE
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12 - File is compressed using BZIP2 algorithm
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13 - Reserved by PKWARE
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14 - LZMA (EFS)
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15 - Reserved by PKWARE
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16 - Reserved by PKWARE
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17 - Reserved by PKWARE
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18 - File is compressed using IBM TERSE (new)
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19 - IBM LZ77 z Architecture (PFS)
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97 - WavPack compressed data
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98 - PPMd version I, Rev 1
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*/
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#define PHAR_ZIP_COMP_NONE 0
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#define PHAR_ZIP_COMP_DEFLATE 8
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#define PHAR_ZIP_COMP_BZIP2 12
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/*
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-ASi Unix Extra Field:
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====================
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The following is the layout of the ASi extra block for Unix. The
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local-header and central-header versions are identical.
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(Last Revision 19960916)
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Value Size Description
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----- ---- -----------
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(Unix3) 0x756e Short tag for this extra block type ("nu")
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TSize Short total data size for this block
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CRC Long CRC-32 of the remaining data
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Mode Short file permissions
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SizDev Long symlink'd size OR major/minor dev num
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UID Short user ID
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GID Short group ID
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(var.) variable symbolic link filename
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Mode is the standard Unix st_mode field from struct stat, containing
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user/group/other permissions, setuid/setgid and symlink info, etc.
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If Mode indicates that this file is a symbolic link, SizDev is the
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size of the file to which the link points. Otherwise, if the file
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is a device, SizDev contains the standard Unix st_rdev field from
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struct stat (includes the major and minor numbers of the device).
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SizDev is undefined in other cases.
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If Mode indicates that the file is a symbolic link, the final field
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will be the name of the file to which the link points. The file-
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name length can be inferred from TSize.
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[Note that TSize may incorrectly refer to the data size not counting
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the CRC; i.e., it may be four bytes too small.]
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*/
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typedef struct _phar_zip_extra_field_header {
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char tag[2];
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char size[2];
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} phar_zip_extra_field_header;
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typedef struct _phar_zip_unix3 {
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char tag[2]; /* 0x756e Short tag for this extra block type ("nu") */
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char size[2]; /* TSize Short total data size for this block */
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char crc32[4]; /* CRC Long CRC-32 of the remaining data */
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char perms[2]; /* Mode Short file permissions */
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char symlinksize[4]; /* SizDev Long symlink'd size OR major/minor dev num */
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char uid[2]; /* UID Short user ID */
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char gid[2]; /* GID Short group ID */
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/* (var.) variable symbolic link filename */
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} phar_zip_unix3;
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typedef struct _phar_zip_central_dir_file {
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char signature[4]; /* central file header signature 4 bytes (0x02014b50) */
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char madeby[2]; /* version made by 2 bytes */
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char zipversion[2]; /* version needed to extract 2 bytes */
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char flags[2]; /* general purpose bit flag 2 bytes */
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char compressed[2]; /* compression method 2 bytes */
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char timestamp[2]; /* last mod file time 2 bytes */
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char datestamp[2]; /* last mod file date 2 bytes */
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char crc32[4]; /* crc-32 4 bytes */
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char compsize[4]; /* compressed size 4 bytes */
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char uncompsize[4]; /* uncompressed size 4 bytes */
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char filename_len[2]; /* file name length 2 bytes */
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char extra_len[2]; /* extra field length 2 bytes */
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char comment_len[2]; /* file comment length 2 bytes */
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char disknumber[2]; /* disk number start 2 bytes */
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char internal_atts[2]; /* internal file attributes 2 bytes */
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char external_atts[4]; /* external file attributes 4 bytes */
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char offset[4]; /* relative offset of local header 4 bytes */
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/* file name (variable size) */
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/* extra field (variable size) */
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/* file comment (variable size) */
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} phar_zip_central_dir_file;
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typedef struct _phar_zip_dir_signature {
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char signature[4]; /* header signature 4 bytes (0x05054b50) */
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char size[2]; /* size of data 2 bytes */
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} phar_zip_dir_signature;
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/* unused in this release */
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typedef struct _phar_zip64_dir_end {
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char signature[4]; /* zip64 end of central dir
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signature 4 bytes (0x06064b50) */
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char size1[4]; /* size of zip64 end of central
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directory record 8 bytes */
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char size2[4];
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char madeby[2]; /* version made by 2 bytes */
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char extractneeded[2]; /* version needed to extract 2 bytes */
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char disknum[4]; /* number of this disk 4 bytes */
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char cdir_num[4]; /* number of the disk with the
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start of the central directory 4 bytes */
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char entries1[4]; /* total number of entries in the
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central directory on this disk 8 bytes */
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char entries2[4];
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char entriestotal1[4]; /* total number of entries in the
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central directory 8 bytes */
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char entriestotal2[4];
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char cdirsize1[4]; /* size of the central directory 8 bytes */
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char cdirsize2[4];
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char offset1[4]; /* offset of start of central
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directory with respect to
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the starting disk number 8 bytes */
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char offset2[4];
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/* zip64 extensible data sector (variable size) */
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} phar_zip64_dir_end;
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/* unused in this release */
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typedef struct _phar_zip64_dir_locator {
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char signature[4]; /* zip64 end of central dir locator
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signature 4 bytes (0x07064b50) */
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char disknum[4]; /* number of the disk with the
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start of the zip64 end of
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central directory 4 bytes */
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char diroffset1[4]; /* relative offset of the zip64
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end of central directory record 8 bytes */
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char diroffset2[4];
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char totaldisks[4]; /* total number of disks 4 bytes */
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} phar_zip64_dir_locator;
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typedef struct _phar_zip_dir_end {
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char signature[4]; /* end of central dir signature 4 bytes (0x06054b50) */
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char disknumber[2]; /* number of this disk 2 bytes */
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char centraldisk[2]; /* number of the disk with the
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start of the central directory 2 bytes */
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char counthere[2]; /* total number of entries in the
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central directory on this disk 2 bytes */
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char count[2]; /* total number of entries in
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the central directory 2 bytes */
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char cdir_size[4]; /* size of the central directory 4 bytes */
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char cdir_offset[4]; /* offset of start of central
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directory with respect to
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the starting disk number 4 bytes */
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char comment_len[2]; /* .ZIP file comment length 2 bytes */
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/* .ZIP file comment (variable size) */
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} phar_zip_dir_end;
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/*
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* Local variables:
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* tab-width: 4
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* c-basic-offset: 4
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* End:
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* vim600: noet sw=4 ts=4 fdm=marker
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* vim<600: noet sw=4 ts=4
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*/
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