zipstruct.h - mozsearch

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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef _zipstruct_h

#define _zipstruct_h

/*

 *  Certain constants and structures for

 *  the Phil Katz ZIP archive format.

*/

typedef struct ZipLocal_ {

  unsigned char signature[4];

  unsigned char word[2];

  unsigned char bitflag[2];

  unsigned char method[2];

  unsigned char time[2];

  unsigned char date[2];

  unsigned char crc32[4];

  unsigned char size[4];

  unsigned char orglen[4];

  unsigned char filename_len[2];

  unsigned char extrafield_len[2];

} ZipLocal;

/*

 * 'sizeof(struct XXX)' includes padding on ARM (see bug 87965)

 * As the internals of a jar/zip file must not depend on the target

 * architecture (i386, ppc, ARM, ...), use a fixed value instead.

*/

#define ZIPLOCAL_SIZE (4 + 2 + 2 + 2 + 2 + 2 + 4 + 4 + 4 + 2 + 2)

typedef struct ZipCentral_ {

  unsigned char signature[4];

  unsigned char version_made_by[2];

  unsigned char version[2];

  unsigned char bitflag[2];

  unsigned char method[2];

  unsigned char time[2];

  unsigned char date[2];

  unsigned char crc32[4];

  unsigned char size[4];

  unsigned char orglen[4];

  unsigned char filename_len[2];

  unsigned char extrafield_len[2];

  unsigned char commentfield_len[2];

  unsigned char diskstart_number[2];

  unsigned char internal_attributes[2];

  unsigned char external_attributes[4];

  unsigned char localhdr_offset[4];

} ZipCentral;

/*

 * 'sizeof(struct XXX)' includes padding on ARM (see bug 87965)

 * As the internals of a jar/zip file must not depend on the target

 * architecture (i386, ppc, ARM, ...), use a fixed value instead.

*/

#define ZIPCENTRAL_SIZE \

  (4 + 2 + 2 + 2 + 2 + 2 + 2 + 4 + 4 + 4 + 2 + 2 + 2 + 2 + 2 + 4 + 4)

typedef struct ZipEnd_ {

  unsigned char signature[4];

  unsigned char disk_nr[2];

  unsigned char start_central_dir[2];

  unsigned char total_entries_disk[2];

  unsigned char total_entries_archive[2];

  unsigned char central_dir_size[4];

  unsigned char offset_central_dir[4];

  unsigned char commentfield_len[2];

} ZipEnd;

/*

 * 'sizeof(struct XXX)' includes padding on ARM (see bug 87965)

 * As the internals of a jar/zip file must not depend on the target

 * architecture (i386, ppc, ARM, ...), use a fixed value instead.

*/

#define ZIPEND_SIZE (4 + 2 + 2 + 2 + 2 + 4 + 4 + 2)

/* signatures */

#define LOCALSIG 0x04034B50l

#define CENTRALSIG 0x02014B50l

#define ENDSIG 0x06054B50l

#define ENDSIG64 0x6064B50l

/* extra fields */

#define EXTENDED_TIMESTAMP_FIELD 0x5455

#define EXTENDED_TIMESTAMP_MODTIME 0x01

/* compression methods */

#define STORED 0

#define SHRUNK 1

#define REDUCED1 2

#define REDUCED2 3

#define REDUCED3 4

#define REDUCED4 5

#define IMPLODED 6

#define TOKENIZED 7

#define DEFLATED 8

#define UNSUPPORTED 0xFF

#endif /* _zipstruct_h */