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118 lines
3.8 KiB
118 lines
3.8 KiB
/* vim: set sw=8: -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
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/*
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* gsf-zip-impl.h:
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*
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* Copyright (C) 2002-2004 Tambet Ingo (tambet@ximian.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of version 2.1 of the GNU Lesser General Public
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* License as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
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* USA
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*/
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#ifndef GSF_ZIP_IMPL_H
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#define GSF_ZIP_IMPL_H
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#include <gsf/gsf-outfile-zip.h> /* for GsfZipCompressionMethod */
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G_BEGIN_DECLS
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#define ZIP_HEADER_SIZE 30
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#define ZIP_HEADER_VERSION 4
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#define ZIP_HEADER_OS 5
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#define ZIP_HEADER_FLAGS 6
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#define ZIP_HEADER_COMP_METHOD 8
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#define ZIP_HEADER_TIME 10
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#define ZIP_HEADER_CRC 14
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#define ZIP_HEADER_COMP_SIZE 18
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#define ZIP_HEADER_UNCOMP_SIZE 22
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#define ZIP_HEADER_NAME_LEN 26
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#define ZIP_HEADER_EXTRA_LEN 28
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#define ZIP_TRAILER_SIZE 22
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#define ZIP_TRAILER_DISK 4
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#define ZIP_TRAILER_DIR_DISK 6
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#define ZIP_TRAILER_ENTRIES 8
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#define ZIP_TRAILER_TOTAL_ENTRIES 10
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#define ZIP_TRAILER_DIR_SIZE 12
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#define ZIP_TRAILER_DIR_POS 16
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#define ZIP_TRAILER_COMMENT_SIZE 20
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#define ZIP_DIRENT_SIZE 46
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#define ZIP_DIRENT_ENCODER 4
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#define ZIP_DIRENT_EXTRACT 6
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#define ZIP_DIRENT_FLAGS 8
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#define ZIP_DIRENT_COMPR_METHOD 10
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#define ZIP_DIRENT_DOSTIME 12
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#define ZIP_DIRENT_CRC32 16
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#define ZIP_DIRENT_CSIZE 20
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#define ZIP_DIRENT_USIZE 24
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#define ZIP_DIRENT_NAME_SIZE 28
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#define ZIP_DIRENT_EXTRAS_SIZE 30
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#define ZIP_DIRENT_COMMENT_SIZE 32
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#define ZIP_DIRENT_DISKSTART 34
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#define ZIP_DIRENT_FILE_TYPE 36
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#define ZIP_DIRENT_FILE_MODE 38
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#define ZIP_DIRENT_OFFSET 42
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#define ZIP_FILE_HEADER_SIZE 30
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#define ZIP_FILE_HEADER_EXTRACT 4
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#define ZIP_FILE_HEADER_FLAGS 6
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#define ZIP_FILE_HEADER_COMPR_METHOD 8
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#define ZIP_FILE_HEADER_DOSTIME 10
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#define ZIP_FILE_HEADER_CRC32 14
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#define ZIP_FILE_HEADER_CSIZE 18
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#define ZIP_FILE_HEADER_USIZE 22
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#define ZIP_FILE_HEADER_NAME_SIZE 26
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#define ZIP_FILE_HEADER_EXTRAS_SIZE 28
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#define ZIP_NAME_SEPARATOR '/'
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#define ZIP_BLOCK_SIZE 32768
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#define ZIP_BUF_SIZE 512
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/* z_flags */
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#define ZZIP_IS_ENCRYPTED(p) ((*(unsigned char*)p)&1)
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#define ZZIP_IS_COMPRLEVEL(p) (((*(unsigned char*)p)>>1)&3)
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#define ZZIP_IS_STREAMED(p) (((*(unsigned char*)p)>>3)&1)
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typedef struct {
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char *name;
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GsfZipCompressionMethod compr_method;
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guint32 crc32;
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size_t csize;
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size_t usize;
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gsf_off_t offset;
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gsf_off_t data_offset;
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guint32 dostime;
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} GsfZipDirent;
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typedef struct {
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char *name;
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gboolean is_directory;
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GsfZipDirent *dirent;
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GSList *children, *last_child;
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} GsfZipVDir;
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GsfZipDirent *gsf_zip_dirent_new (void);
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void gsf_zip_dirent_free (GsfZipDirent *dirent);
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GsfZipVDir *gsf_vdir_new (char const *name, gboolean is_directory,
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GsfZipDirent *dirent);
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void gsf_vdir_free (GsfZipVDir *vdir, gboolean free_dirent);
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void gsf_vdir_add_child (GsfZipVDir *vdir, GsfZipVDir *child);
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G_END_DECLS
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#endif /* GSF_ZIP_IMPL_H */
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