modules/libjar/zipstruct.h

   1 /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef _zipstruct_h
   7 #define _zipstruct_h
   8
   9
  10 /*
  11  *  Certain constants and structures for
  12  *  the Phil Katz ZIP archive format.
  13  *
  14  */
  15
  16 typedef struct ZipLocal_
  17   {
  18   unsigned char signature [4];
  19   unsigned char word [2];
  20   unsigned char bitflag [2];
  21   unsigned char method [2];
  22   unsigned char time [2];
  23   unsigned char date [2];
  24   unsigned char crc32 [4];
  25   unsigned char size [4];
  26   unsigned char orglen [4];
  27   unsigned char filename_len [2];
  28   unsigned char extrafield_len [2];
  29 } ZipLocal;
  30
  31 /*
  32  * 'sizeof(struct XXX)' includes padding on ARM (see bug 87965)
  33  * As the internals of a jar/zip file must not depend on the target
  34  * architecture (i386, ppc, ARM, ...), use a fixed value instead.
  35  */
  36 #define ZIPLOCAL_SIZE (4+2+2+2+2+2+4+4+4+2+2)
  37
  38 typedef struct ZipCentral_
  39   {
  40   unsigned char signature [4];
  41   unsigned char version_made_by [2];
  42   unsigned char version [2];
  43   unsigned char bitflag [2];
  44   unsigned char method [2];
  45   unsigned char time [2];
  46   unsigned char date [2];
  47   unsigned char crc32 [4];
  48   unsigned char size [4];
  49   unsigned char orglen [4];
  50   unsigned char filename_len [2];
  51   unsigned char extrafield_len [2];
  52   unsigned char commentfield_len [2];
  53   unsigned char diskstart_number [2];
  54   unsigned char internal_attributes [2];
  55   unsigned char external_attributes [4];
  56   unsigned char localhdr_offset [4];
  57 } ZipCentral;
  58
  59 /*
  60  * 'sizeof(struct XXX)' includes padding on ARM (see bug 87965)
  61  * As the internals of a jar/zip file must not depend on the target
  62  * architecture (i386, ppc, ARM, ...), use a fixed value instead.
  63  */
  64 #define ZIPCENTRAL_SIZE (4+2+2+2+2+2+2+4+4+4+2+2+2+2+2+4+4)
  65
  66 typedef struct ZipEnd_
  67   {
  68   unsigned char signature [4];
  69   unsigned char disk_nr [2];
  70   unsigned char start_central_dir [2];
  71   unsigned char total_entries_disk [2];
  72   unsigned char total_entries_archive [2];
  73   unsigned char central_dir_size [4];
  74   unsigned char offset_central_dir [4];
  75   unsigned char commentfield_len [2];
  76 } ZipEnd;
  77
  78 /*
  79  * 'sizeof(struct XXX)' includes padding on ARM (see bug 87965)
  80  * As the internals of a jar/zip file must not depend on the target
  81  * architecture (i386, ppc, ARM, ...), use a fixed value instead.
  82  */
  83 #define ZIPEND_SIZE (4+2+2+2+2+4+4+2)
  84
  85 /* signatures */
  86 #define LOCALSIG    0x04034B50l
  87 #define CENTRALSIG  0x02014B50l
  88 #define ENDSIG      0x06054B50l
  89
  90 /* extra fields */
  91 #define EXTENDED_TIMESTAMP_FIELD   0x5455
  92 #define EXTENDED_TIMESTAMP_MODTIME 0x01
  93
  94 /* compression methods */
  95 #define STORED            0
  96 #define SHRUNK            1
  97 #define REDUCED1          2
  98 #define REDUCED2          3
  99 #define REDUCED3          4
 100 #define REDUCED4          5
 101 #define IMPLODED          6
 102 #define TOKENIZED         7
 103 #define DEFLATED          8
 104 #define UNSUPPORTED       0xFF
 105
 106
 107 #endif /* _zipstruct_h */