Qt/QML edition

dependencies/libarchive-3.4.2/doc/text/archive_write_blocksize.3.txt

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+ARCHIVE_WRITE_BLOCKSI... BSD Library Functions Manual ARCHIVE_WRITE_BLOCKSI...
+
+NAME
+     archive_write_get_bytes_per_block, archive_write_set_bytes_per_block,
+     archive_write_get_bytes_in_last_block,
+     archive_write_set_bytes_in_last_block -- functions for creating archives
+
+LIBRARY
+     Streaming Archive Library (libarchive, -larchive)
+
+SYNOPSIS
+     #include <archive.h>
+
+     int
+     archive_write_get_bytes_per_block(struct archive *);
+
+     int
+     archive_write_set_bytes_per_block(struct archive *, int bytes_per_block);
+
+     int
+     archive_write_get_bytes_in_last_block(struct archive *);
+
+     int
+     archive_write_set_bytes_in_last_block(struct archive *, int);
+
+DESCRIPTION
+     archive_write_set_bytes_per_block()
+	     Sets the block size used for writing the archive data.  Every
+	     call to the write callback function, except possibly the last
+	     one, will use this value for the length.  The default is to use a
+	     block size of 10240 bytes.  Note that a block size of zero will
+	     suppress internal blocking and cause writes to be sent directly
+	     to the write callback as they occur.
+
+     archive_write_get_bytes_per_block()
+	     Retrieve the block size to be used for writing.  A value of -1
+	     here indicates that the library should use default values.  A
+	     value of zero indicates that internal blocking is suppressed.
+
+     archive_write_set_bytes_in_last_block()
+	     Sets the block size used for writing the last block.  If this
+	     value is zero, the last block will be padded to the same size as
+	     the other blocks.	Otherwise, the final block will be padded to a
+	     multiple of this size.  In particular, setting it to 1 will cause
+	     the final block to not be padded.	For compressed output, any
+	     padding generated by this option is applied only after the com-
+	     pression.	The uncompressed data is always unpadded.  The default
+	     is to pad the last block to the full block size (note that
+	     archive_write_open_filename() will set this based on the file
+	     type).  Unlike the other ``set'' functions, this function can be
+	     called after the archive is opened.
+
+     archive_write_get_bytes_in_last_block()
+	     Retrieve the currently-set value for last block size.  A value of
+	     -1 here indicates that the library should use default values.
+
+RETURN VALUES
+     archive_write_set_bytes_per_block() and
+     archive_write_set_bytes_in_last_block() return ARCHIVE_OK on success, or
+     ARCHIVE_FATAL.
+
+     archive_write_get_bytes_per_block() and
+     archive_write_get_bytes_in_last_block() return currently configured block
+     size (-1 indicates the default block size), or ARCHIVE_FATAL.
+
+ERRORS
+     Detailed error codes and textual descriptions are available from the
+     archive_errno() and archive_error_string() functions.
+
+SEE ALSO
+     tar(1), archive_write_set_options(3), libarchive(3), cpio(5), mtree(5),
+     tar(5)
+
+BSD			       February 2, 2012 			   BSD