modules/libjar/zipstruct.h

   1 /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* ***** BEGIN LICENSE BLOCK *****
   3  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   4  *
   5  * The contents of this file are subject to the Mozilla Public License Version
   6  * 1.1 (the "License"); you may not use this file except in compliance with
   7  * the License. You may obtain a copy of the License at
   8  * http://www.mozilla.org/MPL/
   9  *
  10  * Software distributed under the License is distributed on an "AS IS" basis,
  11  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  12  * for the specific language governing rights and limitations under the
  13  * License.
  14  *
  15  * The Original Code is Mozilla Communicator client code, released
  16  * March 31, 1998.
  17  *
  18  * The Initial Developer of the Original Code is
  19  * Netscape Communications Corporation.
  20  * Portions created by the Initial Developer are Copyright (C) 1998-1999
  21  * the Initial Developer. All Rights Reserved.
  22  *
  23  * Contributor(s):
  24  *   Daniel Veditz <dveditz@netscape.com>
  25  *   Jeroen Dobbelaere <jeroen.dobbelaere@acunia.com>
  26  *
  27  * Alternatively, the contents of this file may be used under the terms of
  28  * either the GNU General Public License Version 2 or later (the "GPL"), or
  29  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  30  * in which case the provisions of the GPL or the LGPL are applicable instead
  31  * of those above. If you wish to allow use of your version of this file only
  32  * under the terms of either the GPL or the LGPL, and not to allow others to
  33  * use your version of this file under the terms of the MPL, indicate your
  34  * decision by deleting the provisions above and replace them with the notice
  35  * and other provisions required by the GPL or the LGPL. If you do not delete
  36  * the provisions above, a recipient may use your version of this file under
  37  * the terms of any one of the MPL, the GPL or the LGPL.
  38  *
  39  * ***** END LICENSE BLOCK ***** */
  40
  41 #ifndef _zipstruct_h
  42 #define _zipstruct_h
  43
  44
  45 /*
  46  *  Certain constants and structures for
  47  *  the Phil Katz ZIP archive format.
  48  *
  49  */
  50
  51 typedef struct ZipLocal_
  52   {
  53   unsigned char signature [4];
  54   unsigned char word [2];
  55   unsigned char bitflag [2];
  56   unsigned char method [2];
  57   unsigned char time [2];
  58   unsigned char date [2];
  59   unsigned char crc32 [4];
  60   unsigned char size [4];
  61   unsigned char orglen [4];
  62   unsigned char filename_len [2];
  63   unsigned char extrafield_len [2];
  64 } ZipLocal;
  65
  66 /*
  67  * 'sizeof(struct XXX)' includes padding on ARM (see bug 87965)
  68  * As the internals of a jar/zip file must not depend on the target
  69  * architecture (i386, ppc, ARM, ...), use a fixed value instead.
  70  */
  71 #define ZIPLOCAL_SIZE (4+2+2+2+2+2+4+4+4+2+2)
  72
  73 typedef struct ZipCentral_
  74   {
  75   unsigned char signature [4];
  76   unsigned char version_made_by [2];
  77   unsigned char version [2];
  78   unsigned char bitflag [2];
  79   unsigned char method [2];
  80   unsigned char time [2];
  81   unsigned char date [2];
  82   unsigned char crc32 [4];
  83   unsigned char size [4];
  84   unsigned char orglen [4];
  85   unsigned char filename_len [2];
  86   unsigned char extrafield_len [2];
  87   unsigned char commentfield_len [2];
  88   unsigned char diskstart_number [2];
  89   unsigned char internal_attributes [2];
  90   unsigned char external_attributes [4];
  91   unsigned char localhdr_offset [4];
  92 } ZipCentral;
  93
  94 /*
  95  * 'sizeof(struct XXX)' includes padding on ARM (see bug 87965)
  96  * As the internals of a jar/zip file must not depend on the target
  97  * architecture (i386, ppc, ARM, ...), use a fixed value instead.
  98  */
  99 #define ZIPCENTRAL_SIZE (4+2+2+2+2+2+2+4+4+4+2+2+2+2+2+4+4)
 100
 101 typedef struct ZipEnd_
 102   {
 103   unsigned char signature [4];
 104   unsigned char disk_nr [2];
 105   unsigned char start_central_dir [2];
 106   unsigned char total_entries_disk [2];
 107   unsigned char total_entries_archive [2];
 108   unsigned char central_dir_size [4];
 109   unsigned char offset_central_dir [4];
 110   unsigned char commentfield_len [2];
 111 } ZipEnd;
 112
 113 /*
 114  * 'sizeof(struct XXX)' includes padding on ARM (see bug 87965)
 115  * As the internals of a jar/zip file must not depend on the target
 116  * architecture (i386, ppc, ARM, ...), use a fixed value instead.
 117  */
 118 #define ZIPEND_SIZE (4+2+2+2+2+4+4+2)
 119
 120 /* signatures */
 121 #define LOCALSIG    0x04034B50l
 122 #define CENTRALSIG  0x02014B50l
 123 #define ENDSIG      0x06054B50l
 124
 125 /* compression methods */
 126 #define STORED            0
 127 #define SHRUNK            1
 128 #define REDUCED1          2
 129 #define REDUCED2          3
 130 #define REDUCED3          4
 131 #define REDUCED4          5
 132 #define IMPLODED          6
 133 #define TOKENIZED         7
 134 #define DEFLATED          8
 135 #define UNSUPPORTED       0xFF
 136
 137
 138 #endif /* _zipstruct_h */