/*- * 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: src/lib/libarchive/archive_write_private.h,v 1.3 2008/03/15 11:04:45 kientzle Exp $ */ #ifndef ARCHIVE_WRITE_PRIVATE_H_INCLUDED #define ARCHIVE_WRITE_PRIVATE_H_INCLUDED #include "archive.h" #include "archive_string.h" #include "archive_private.h" struct archive_write { struct archive archive; /* Dev/ino of the archive being written. */ dev_t skip_file_dev; ino_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; /* * These control whether data within a gzip/bzip2 compressed * stream gets padded or not. If pad_uncompressed is set, * the data will be padded to a full block before being * compressed. The pad_uncompressed_byte determines the value * that will be used for padding. Note that these have no * effect on compression "none." */ int pad_uncompressed; int pad_uncompressed_byte; /* TODO: Support this. */ /* * On write, the client just invokes an archive_write_set function * which sets up the data here directly. */ struct { void *data; void *config; int (*init)(struct archive_write *); int (*finish)(struct archive_write *); int (*write)(struct archive_write *, const void *, size_t); } compressor; /* * Pointers to format-specific functions for writing. They're * initialized by archive_write_set_format_XXX() calls. */ void *format_data; int (*format_init)(struct archive_write *); int (*format_finish)(struct archive_write *); int (*format_destroy)(struct archive_write *); 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); }; /* * 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); #endif