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