gecko-dev/modules/libjar/zipstruct.h
2012-05-21 12:12:37 +01:00

108 lines
3.0 KiB
C

/* -*- 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
/* 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 */