archive_write_private.h revision 256281
172445Sassar/*- 2233294Sstas * Copyright (c) 2003-2007 Tim Kientzle 3233294Sstas * All rights reserved. 4233294Sstas * 572445Sassar * Redistribution and use in source and binary forms, with or without 6233294Sstas * modification, are permitted provided that the following conditions 7233294Sstas * are met: 8233294Sstas * 1. Redistributions of source code must retain the above copyright 972445Sassar * notice, this list of conditions and the following disclaimer. 10233294Sstas * 2. Redistributions in binary form must reproduce the above copyright 11233294Sstas * notice, this list of conditions and the following disclaimer in the 1272445Sassar * documentation and/or other materials provided with the distribution. 13233294Sstas * 14233294Sstas * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR 15233294Sstas * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 1672445Sassar * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17233294Sstas * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, 18233294Sstas * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19233294Sstas * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2072445Sassar * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21233294Sstas * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22233294Sstas * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23233294Sstas * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24233294Sstas * 25233294Sstas * $FreeBSD: stable/10/contrib/libarchive/libarchive/archive_write_private.h 248616 2013-03-22 13:36:03Z mm $ 26233294Sstas */ 27233294Sstas 28233294Sstas#ifndef __LIBARCHIVE_BUILD 29233294Sstas#error This header is only to be used internally to libarchive. 30233294Sstas#endif 31233294Sstas 3272445Sassar#ifndef ARCHIVE_WRITE_PRIVATE_H_INCLUDED 3372445Sassar#define ARCHIVE_WRITE_PRIVATE_H_INCLUDED 34233294Sstas 3572445Sassar#include "archive.h" 3672445Sassar#include "archive_string.h" 3772445Sassar#include "archive_private.h" 3872445Sassar 39233294Sstasstruct archive_write; 40233294Sstas 41233294Sstasstruct archive_write_filter { 42233294Sstas int64_t bytes_written; 43233294Sstas struct archive *archive; /* Associated archive. */ 44233294Sstas struct archive_write_filter *next_filter; /* Who I write to. */ 45233294Sstas int (*options)(struct archive_write_filter *, 46233294Sstas const char *key, const char *value); 47233294Sstas int (*open)(struct archive_write_filter *); 48233294Sstas int (*write)(struct archive_write_filter *, const void *, size_t); 49233294Sstas int (*close)(struct archive_write_filter *); 50233294Sstas int (*free)(struct archive_write_filter *); 51233294Sstas void *data; 52233294Sstas const char *name; 53233294Sstas int code; 54233294Sstas int bytes_per_block; 55233294Sstas int bytes_in_last_block; 56233294Sstas}; 57233294Sstas 58233294Sstas#if ARCHIVE_VERSION < 4000000 5972445Sassarvoid __archive_write_filters_free(struct archive *); 6072445Sassar#endif 6172445Sassar 6272445Sassarstruct archive_write_filter *__archive_write_allocate_filter(struct archive *); 6372445Sassar 6472445Sassarint __archive_write_output(struct archive_write *, const void *, size_t); 6572445Sassarint __archive_write_nulls(struct archive_write *, size_t); 6672445Sassarint __archive_write_filter(struct archive_write_filter *, const void *, size_t); 6772445Sassarint __archive_write_open_filter(struct archive_write_filter *); 6872445Sassarint __archive_write_close_filter(struct archive_write_filter *); 6972445Sassar 7072445Sassarstruct archive_write { 7172445Sassar struct archive archive; 7272445Sassar 7372445Sassar /* Dev/ino of the archive being written. */ 74233294Sstas int skip_file_set; 75233294Sstas int64_t skip_file_dev; 7672445Sassar int64_t skip_file_ino; 77233294Sstas 78233294Sstas /* Utility: Pointer to a block of nulls. */ 79233294Sstas const unsigned char *nulls; 80233294Sstas size_t null_length; 81233294Sstas 82233294Sstas /* Callbacks to open/read/write/close archive stream. */ 83233294Sstas archive_open_callback *client_opener; 84233294Sstas archive_write_callback *client_writer; 85233294Sstas archive_close_callback *client_closer; 8672445Sassar void *client_data; 87 88 /* 89 * Blocking information. Note that bytes_in_last_block is 90 * misleadingly named; I should find a better name. These 91 * control the final output from all compressors, including 92 * compression_none. 93 */ 94 int bytes_per_block; 95 int bytes_in_last_block; 96 97 /* 98 * First and last write filters in the pipeline. 99 */ 100 struct archive_write_filter *filter_first; 101 struct archive_write_filter *filter_last; 102 103 /* 104 * Pointers to format-specific functions for writing. They're 105 * initialized by archive_write_set_format_XXX() calls. 106 */ 107 void *format_data; 108 const char *format_name; 109 int (*format_init)(struct archive_write *); 110 int (*format_options)(struct archive_write *, 111 const char *key, const char *value); 112 int (*format_finish_entry)(struct archive_write *); 113 int (*format_write_header)(struct archive_write *, 114 struct archive_entry *); 115 ssize_t (*format_write_data)(struct archive_write *, 116 const void *buff, size_t); 117 int (*format_close)(struct archive_write *); 118 int (*format_free)(struct archive_write *); 119}; 120 121/* 122 * Utility function to format a USTAR header into a buffer. If 123 * "strict" is set, this tries to create the absolutely most portable 124 * version of a ustar header. If "strict" is set to 0, then it will 125 * relax certain requirements. 126 * 127 * Generally, format-specific declarations don't belong in this 128 * header; this is a rare example of a function that is shared by 129 * two very similar formats (ustar and pax). 130 */ 131int 132__archive_write_format_header_ustar(struct archive_write *, char buff[512], 133 struct archive_entry *, int tartype, int strict, 134 struct archive_string_conv *); 135 136struct archive_write_program_data; 137struct archive_write_program_data * __archive_write_program_allocate(void); 138int __archive_write_program_free(struct archive_write_program_data *); 139int __archive_write_program_open(struct archive_write_filter *, 140 struct archive_write_program_data *, const char *); 141int __archive_write_program_close(struct archive_write_filter *, 142 struct archive_write_program_data *); 143int __archive_write_program_write(struct archive_write_filter *, 144 struct archive_write_program_data *, const void *, size_t); 145#endif 146