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/**
* Navit, a modular navigation system.
* Copyright (C) 2005-2008 Navit Team
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __ZIPFILE_H__
#define __ZIPFILE_H__
#ifdef HAVE_PRAGMA_PACK
#pragma pack(push)
#pragma pack(1)
#endif
#ifdef __GNUC__
#define ATTRIBUTE_PACKED __attribute__ ((packed))
#else
#define ATTRIBUTE_PACKED
#endif
#define zip_split_sig 0x08074b50
#define zip_split_sig_rev 0x504b0708
struct zip_split {
int zipsplitsig;
};
#define zip_lfh_sig 0x04034b50
#define zip_lfh_sig_rev 0x504b0304
//! ZIP local file header structure.
//! See the documentation of the ZIP format for the meaning
//! of these fields.
struct zip_lfh {
int ziplocsig; //!< local file header signature
short zipver; //!< minimum zip spec version needed to extract
short zipgenfld; //!< general purpose flags
short zipmthd; //!< compression method
short ziptime; //!< file modification time
short zipdate; //!< file modification date
int zipcrc; //!< CRC-32 checksum
unsigned int zipsize; //!< file size (after compression)
unsigned int zipuncmp; //!< file size (uncompressed)
unsigned short zipfnln; //!< file name length
unsigned short zipxtraln; //!< extra filed length (unused?)
char zipname[0]; //!< file name (length as given above)
} ATTRIBUTE_PACKED;
#define zip_cd_sig 0x02014b50
#define zip_cd_sig_rev 0x504b0102
//! ZIP central directory structure.
//! See the documentation of the ZIP format for the meaning
//! of these fields.
struct zip_cd {
int zipcensig; //!< central directory signature
char zipcver; //!< zip spec version of creating software
char zipcos; //!< os compatibility of the file attribute information
char zipcvxt; //!< minimum zip spec version needed to extract
char zipcexos; //!< unused (?)
short zipcflg; //!< general purpose flag
short zipcmthd; //!< compression method
short ziptim; //!< file modification time
short zipdat; //!< file modification date
int zipccrc; //!< CRC-32 checksum
unsigned int zipcsiz; //!< file size (after compression)
unsigned int zipcunc; //!< file size (uncompressed)
unsigned short zipcfnl; //!< file name length
unsigned short zipcxtl; //!< extra field length
unsigned short zipccml; //!< comment length
unsigned short zipdsk; //!< disk number of file
unsigned short zipint; //!< internal attributes
unsigned int zipext; //!< external attributes
unsigned int zipofst; //!< offset to start of local file header
char zipcfn[0]; //!< file name (length as given above)
} ATTRIBUTE_PACKED;
/**
* @brief Placeholder value for size field in the central directory if
* the size is 64bit. See the documentation for the Zip64 Extended
* Information Extra Field.
*/
#define zip_size_64bit_placeholder 0xffffffff
/**
* @brief Header ID for extra field "ZIP64".
*/
#define zip_extra_header_id_zip64 0x0001
//! ZIP extra field structure.
//! See the documentation of the ZIP format for the meaning
//! of these fields.
struct zip_cd_ext {
short tag; //!< extra field header ID
short size; //!< extra field data size
unsigned long long zipofst; //!< offset to start of local file header (only valid if the struct is for a ZIP64 extra field)
} ATTRIBUTE_PACKED;
struct zip_enc {
short efield_header;
short efield_size;
short version;
char vendor_id1,vendor_id2;
char encryption_strength;
short compress_method;
} ATTRIBUTE_PACKED;
#define zip_eoc_sig 0x6054b50
#define zip_eoc_sig_rev 0x504b0506
//! ZIP end of central directory structure.
//! See the documentation of the ZIP format for the meaning
//! of these fields.
struct zip_eoc {
int zipesig; /* end of central dir signature */
unsigned short zipedsk; /* number of this disk */
unsigned short zipecen; /* number of the disk with the start of the central directory */
unsigned short zipenum; /* total number of entries in the central directory on this disk */
unsigned short zipecenn; /* total number of entries in the central directory */
unsigned int zipecsz; /* size of the central directory */
unsigned int zipeofst; /* offset of start of central directory with respect to the starting disk number */
short zipecoml; /* .ZIP file comment length */
char zipecom[0]; /* .ZIP file comment */
} ATTRIBUTE_PACKED;
#define zip64_eoc_sig 0x6064b50
#define zip64_eoc_sig_rev 0x504b0606
struct zip64_eoc {
int zip64esig; /* zip64 end of central dir signature */
unsigned long long zip64esize; /* size of zip64 end of central directory record */
unsigned short zip64ever; /* version made by */
unsigned short zip64eneed; /* version needed to extract */
unsigned int zip64edsk; /* number of this disk */
unsigned int zip64ecen; /* number of the disk with the start of the central directory */
unsigned long long zip64enum; /* total number of entries in the central directory on this disk */
unsigned long long zip64ecenn; /* total number of entries in the central directory */
unsigned long long zip64ecsz; /* size of the central directory */
unsigned long long zip64eofst; /* offset of start of central directory with respect to the starting disk number */
char zip64ecom[0]; /* zip64 extensible data sector */
} ATTRIBUTE_PACKED;
#define zip64_eocl_sig 0x07064b50
struct zip64_eocl {
int zip64lsig;
int zip64ldsk;
long long zip64lofst;
int zip74lnum;
} ATTRIBUTE_PACKED;
struct zip_alignment_check {
int x[sizeof(struct zip_cd) == 46 ? 1:-1];
};
#ifdef HAVE_PRAGMA_PACK
#pragma pack(pop)
#endif
#endif
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