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ZIP_SOURCE_SEEK_COMPUTE_(3) Library Functions ManuaZIP_SOURCE_SEEK_COMPUTE_(3)

NAME
       zip_source_seek_compute_offset -- validate arguments and	compute	offset

LIBRARY
       libzip (-lzip)

SYNOPSIS
       #include	<zip.h>

       zip_int64_t
       zip_source_seek_compute_offset(zip_uint64_t		       offset,
	   zip_uint64_t	 length,   void	  *data,   zip_uint64_t	  data_length,
	   zip_error_t *error);

DESCRIPTION
       Use  this  function  to	compute	 the  offset  for a ZIP_SOURCE_SEEK or
       ZIP_SOURCE_SEEK_WRITE command.  data and	data_length are	the  arguments
       to  the source callback,	offset is the current offset and length	is the
       length of the source data or, for ZIP_SOURCE_SEEK_WRITE,	the amount  of
       data written.

RETURN VALUES
       On  success, it returns the new offset, on error	it returns -1 and sets
       error.

ERRORS
       zip_source_seek_compute_offset()	fails if:

       [ZIP_ER_INVAL]	  One of the arguments is invalid or  the  seek	 would
			  place	the offset outside the data.

SEE ALSO
       zip_source_function(3)

HISTORY
       zip_source_seek_compute_offset()	was added in libzip 1.0.

AUTHORS
       Dieter Baron <dillo@nih.at> and Thomas Klausner <wiz@gatalith.at>

FreeBSD	Ports 14.quarterly     December	18, 2ZIP_SOURCE_SEEK_COMPUTE_OFFSET(3)

Want to link to this manual page? Use this URL:
<https://man.freebsd.org/cgi/man.cgi?query=zip_source_seek_compute_offset&sektion=3&manpath=FreeBSD+Ports+14.3.quarterly>

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