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Diffstat (limited to 'libarchive/archive_write_private.h')
| -rw-r--r-- | libarchive/archive_write_private.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/libarchive/archive_write_private.h b/libarchive/archive_write_private.h new file mode 100644 index 0000000..f9b6565 --- /dev/null +++ b/libarchive/archive_write_private.h @@ -0,0 +1,122 @@ +/*- + * 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: head/lib/libarchive/archive_write_private.h 201155 2009-12-29 05:20:12Z kientzle $ + */ + +#ifndef __LIBARCHIVE_BUILD +#error This header is only to be used internally to libarchive. +#endif + +#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; + 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; + + /* + * 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 (*options)(struct archive_write *, + const char *key, const char *value); + 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; + 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)(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 |
