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167 lines
5.8 KiB
167 lines
5.8 KiB
/*-
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* Copyright (c) 2003-2007 Tim Kientzle
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD: head/lib/libarchive/archive_write_private.h 201155 2009-12-29 05:20:12Z kientzle $
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*/
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#ifndef ARCHIVE_WRITE_PRIVATE_H_INCLUDED
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#define ARCHIVE_WRITE_PRIVATE_H_INCLUDED
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#ifndef __LIBARCHIVE_BUILD
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#ifndef __LIBARCHIVE_TEST
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#error This header is only to be used internally to libarchive.
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#endif
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#endif
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#include "archive.h"
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#include "archive_string.h"
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#include "archive_private.h"
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#define ARCHIVE_WRITE_FILTER_STATE_NEW 1U
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#define ARCHIVE_WRITE_FILTER_STATE_OPEN 2U
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#define ARCHIVE_WRITE_FILTER_STATE_CLOSED 4U
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#define ARCHIVE_WRITE_FILTER_STATE_FATAL 0x8000U
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struct archive_write;
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struct archive_write_filter {
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int64_t bytes_written;
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struct archive *archive; /* Associated archive. */
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struct archive_write_filter *next_filter; /* Who I write to. */
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int (*options)(struct archive_write_filter *,
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const char *key, const char *value);
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int (*open)(struct archive_write_filter *);
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int (*write)(struct archive_write_filter *, const void *, size_t);
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int (*flush)(struct archive_write_filter *);
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int (*close)(struct archive_write_filter *);
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int (*free)(struct archive_write_filter *);
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void *data;
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const char *name;
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int code;
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int bytes_per_block;
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int bytes_in_last_block;
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int state;
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};
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#if ARCHIVE_VERSION < 4000000
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void __archive_write_filters_free(struct archive *);
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#endif
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struct archive_write_filter *__archive_write_allocate_filter(struct archive *);
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int __archive_write_output(struct archive_write *, const void *, size_t);
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int __archive_write_nulls(struct archive_write *, size_t);
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int __archive_write_filter(struct archive_write_filter *, const void *, size_t);
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struct archive_write {
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struct archive archive;
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/* Dev/ino of the archive being written. */
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int skip_file_set;
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int64_t skip_file_dev;
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int64_t skip_file_ino;
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/* Utility: Pointer to a block of nulls. */
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const unsigned char *nulls;
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size_t null_length;
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/* Callbacks to open/read/write/close archive stream. */
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archive_open_callback *client_opener;
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archive_write_callback *client_writer;
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archive_close_callback *client_closer;
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archive_free_callback *client_freer;
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void *client_data;
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/*
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* Blocking information. Note that bytes_in_last_block is
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* misleadingly named; I should find a better name. These
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* control the final output from all compressors, including
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* compression_none.
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*/
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int bytes_per_block;
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int bytes_in_last_block;
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/*
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* First and last write filters in the pipeline.
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*/
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struct archive_write_filter *filter_first;
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struct archive_write_filter *filter_last;
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/*
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* Pointers to format-specific functions for writing. They're
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* initialized by archive_write_set_format_XXX() calls.
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*/
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void *format_data;
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const char *format_name;
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int (*format_init)(struct archive_write *);
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int (*format_options)(struct archive_write *,
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const char *key, const char *value);
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int (*format_finish_entry)(struct archive_write *);
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int (*format_write_header)(struct archive_write *,
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struct archive_entry *);
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ssize_t (*format_write_data)(struct archive_write *,
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const void *buff, size_t);
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int (*format_close)(struct archive_write *);
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int (*format_free)(struct archive_write *);
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/*
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* Encryption passphrase.
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*/
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char *passphrase;
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archive_passphrase_callback *passphrase_callback;
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void *passphrase_client_data;
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};
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/*
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* Utility function to format a USTAR header into a buffer. If
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* "strict" is set, this tries to create the absolutely most portable
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* version of a ustar header. If "strict" is set to 0, then it will
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* relax certain requirements.
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*
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* Generally, format-specific declarations don't belong in this
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* header; this is a rare example of a function that is shared by
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* two very similar formats (ustar and pax).
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*/
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int
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__archive_write_format_header_ustar(struct archive_write *, char buff[512],
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struct archive_entry *, int tartype, int strict,
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struct archive_string_conv *);
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struct archive_write_program_data;
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struct archive_write_program_data * __archive_write_program_allocate(const char *program_name);
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int __archive_write_program_free(struct archive_write_program_data *);
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int __archive_write_program_open(struct archive_write_filter *,
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struct archive_write_program_data *, const char *);
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int __archive_write_program_close(struct archive_write_filter *,
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struct archive_write_program_data *);
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int __archive_write_program_write(struct archive_write_filter *,
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struct archive_write_program_data *, const void *, size_t);
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/*
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* Get a encryption passphrase.
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*/
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const char * __archive_write_get_passphrase(struct archive_write *a);
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#endif
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