ARCHIVE_WRITE_BLOCKSI... BSD Library Functions Manual ARCHIVE_WRITE_BLOCKSI...

1mNAME0m
     1marchive_write_get_bytes_per_block22m, 1marchive_write_set_bytes_per_block22m,
     1marchive_write_get_bytes_in_last_block22m,
     1marchive_write_set_bytes_in_last_block 22m— functions for creating archives

1mLIBRARY0m
     Streaming Archive Library (libarchive, -larchive)

1mSYNOPSIS0m
     1m#include <archive.h>0m

     4mint0m
     1marchive_write_get_bytes_per_block22m(4mstruct24m 4marchive24m 4m*24m);

     4mint0m
     1marchive_write_set_bytes_per_block22m(4mstruct24m 4marchive24m 4m*24m, 4mint24m 4mbytes_per_block24m);

     4mint0m
     1marchive_write_get_bytes_in_last_block22m(4mstruct24m 4marchive24m 4m*24m);

     4mint0m
     1marchive_write_set_bytes_in_last_block22m(4mstruct24m 4marchive24m 4m*24m, 4mint24m);

1mDESCRIPTION0m
     1marchive_write_set_bytes_per_block22m()
	     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.

     1marchive_write_get_bytes_per_block22m()
	     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.

     1marchive_write_set_bytes_in_last_block22m()
	     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
	     1marchive_write_open_filename22m() will set this based on the file
	     type).  Unlike the other “set” functions, this function can be
	     called after the archive is opened.

     1marchive_write_get_bytes_in_last_block22m()
	     Retrieve the currently-set value for last block size.  A value of
	     -1 here indicates that the library should use default values.

1mRETURN VALUES0m
     1marchive_write_set_bytes_per_block22m() and
     1marchive_write_set_bytes_in_last_block22m() return 1mARCHIVE_OK 22mon success, or
     1mARCHIVE_FATAL22m.

     1marchive_write_get_bytes_per_block22m() and
     1marchive_write_get_bytes_in_last_block22m() return currently configured block
     size (-1 indicates the default block size), or 1mARCHIVE_FATAL22m.

1mERRORS0m
     Detailed error codes and textual descriptions are available from the
     1marchive_errno22m() and 1marchive_error_string22m() functions.

1mSEE ALSO0m
     tar(1), libarchive(3), archive_write_set_options(3), cpio(5), mtree(5),
     tar(5)

BSD			       February 2, 2012 			   BSD