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<meta name="generator" content="groff -Thtml, see www.gnu.org">
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<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
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<meta name="Content-Style" content="text/css">
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<body>
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ARCHIVE_WRITE_DATA(3) BSD Library Functions Manual
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ARCHIVE_WRITE_DATA(3)
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NAME
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archive_write_data,
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archive_write_data_block — functions for
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creating archives
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LIBRARY
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Streaming Archive Library
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(libarchive, -larchive)
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SYNOPSIS
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#include
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<archive.h>
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la_ssize_t
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archive_write_data(struct archive *,
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const void *, size_t);
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la_ssize_t
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archive_write_data_block(struct archive *,
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const void *, size_t size,
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int64_t offset);
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DESCRIPTION
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archive_write_data()
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Write data corresponding to the
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header just written.
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archive_write_data_block()
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Write data corresponding to the
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header just written. This is like
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archive_write_data() except that it performs a seek
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on the file being written to the specified offset before
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writing the data. This is useful when restoring sparse files
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from archive formats that support sparse files. Returns
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number of bytes written or -1 on error. (Note: This is
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currently not supported for archive_write handles, only for
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archive_write_disk handles.
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RETURN VALUES
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This function returns the number
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of bytes actually written, or a negative error code on
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error.
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ERRORS
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Detailed error codes and textual
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descriptions are available from the archive_errno()
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and archive_error_string() functions.
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BUGS
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In libarchive 3.x, this function
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sometimes returns zero on success instead of returning the
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number of bytes written. Specifically, this occurs when
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writing to an archive_write_disk handle. Clients
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should treat any value less than zero as an error and
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consider any non-negative value as success.
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SEE ALSO
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tar(1), libarchive(3),
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archive_write_finish_entry(3), archive_write_set_options(3),
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cpio(5), mtree(5), tar(5)
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BSD
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February 28, 2017 BSD
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</body>
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</html>
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