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Bump bundled libarchive version to 3.5.2
- Update bunlded libarchive version used on Windows/Mac - Enable requested zstd support while we are at it. Closes #211
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ARCHIVE_WRITE_BLOCKSIZE(3) manual page
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== NAME ==
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'''archive_write_get_bytes_per_block''',
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'''archive_write_set_bytes_per_block''',
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'''archive_write_get_bytes_in_last_block''',
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'''archive_write_set_bytes_in_last_block'''
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- functions for creating archives
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== LIBRARY ==
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Streaming Archive Library (libarchive, -larchive)
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== SYNOPSIS ==
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'''<nowiki>#include <archive.h></nowiki>'''
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<br>
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''int''
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<br>
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'''archive_write_get_bytes_per_block'''(''struct archive *'');
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<br>
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''int''
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<br>
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'''archive_write_set_bytes_per_block'''(''struct archive *'', ''int bytes_per_block'');
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<br>
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''int''
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<br>
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'''archive_write_get_bytes_in_last_block'''(''struct archive *'');
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<br>
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''int''
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<br>
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'''archive_write_set_bytes_in_last_block'''(''struct archive *'', ''int'');
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== DESCRIPTION ==
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<dl>
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<dt>'''archive_write_set_bytes_per_block'''()</dt><dd>
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Sets the block size used for writing the archive data.
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Every call to the write callback function, except possibly the last one, will
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use this value for the length.
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The default is to use a block size of 10240 bytes.
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Note that a block size of zero will suppress internal blocking
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and cause writes to be sent directly to the write callback as they occur.
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</dd><dt>'''archive_write_get_bytes_per_block'''()</dt><dd>
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Retrieve the block size to be used for writing.
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A value of -1 here indicates that the library should use default values.
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A value of zero indicates that internal blocking is suppressed.
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</dd><dt>'''archive_write_set_bytes_in_last_block'''()</dt><dd>
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Sets the block size used for writing the last block.
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If this value is zero, the last block will be padded to the same size
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as the other blocks.
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Otherwise, the final block will be padded to a multiple of this size.
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In particular, setting it to 1 will cause the final block to not be padded.
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For compressed output, any padding generated by this option
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is applied only after the compression.
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The uncompressed data is always unpadded.
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The default is to pad the last block to the full block size (note that
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'''archive_write_open_filename'''()
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will set this based on the file type).
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Unlike the other
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"set"
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functions, this function can be called after the archive is opened.
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</dd><dt>'''archive_write_get_bytes_in_last_block'''()</dt><dd>
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Retrieve the currently-set value for last block size.
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A value of -1 here indicates that the library should use default values.
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</dd></dl>
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== RETURN VALUES ==
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'''archive_write_set_bytes_per_block'''()
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and
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'''archive_write_set_bytes_in_last_block'''()
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return
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'''ARCHIVE_OK'''
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on success, or
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'''ARCHIVE_FATAL'''.
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'''archive_write_get_bytes_per_block'''()
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and
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'''archive_write_get_bytes_in_last_block'''()
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return currently configured block size
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Po
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```text
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-1
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```
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indicates the default block size
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Pc,
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or
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'''ARCHIVE_FATAL'''.
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== ERRORS ==
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Detailed error codes and textual descriptions are available from the
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'''archive_errno'''()
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and
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'''archive_error_string'''()
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functions.
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== SEE ALSO ==
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[[ManPageBsdtar1]],
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[[ManPagerchiveriteetptions3]],
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[[ManPageibarchive3]],
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[[ManPageCpio5]],
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[[ManPageMtree5]],
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[[ManPageTar5]]
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