Function flush_io_buff

src/burp/split/spit.cpp:1228–1287

static int flush_io_buff(const UCHAR* remaining_io,
						 SLONG		remaining_io_len,
						 FILE_DESC	output_fl_desc,
						 SINT64		file_size,
						 SLONG*		byte_write,
						 bool*		flush_done)
{
/********************************************************************
**
**	f l u s h _ i o _ b u f f
**
*********************************************************************
**
** Functional description:
**
**	flush out the remaining data in the I/O buffer
**
**	when the file_size is truly has space to write out the remaining data
**		then
**			set and returns flush_done true
**		otherwise
**			closes the output file, set and returns flush_done false.
**	otherwise
**		we can only writes out as much data as file_size indicated
**		if it was able to write out the remaining data
**			then
**				set and returns flush_done true
**			otherwise
**				closes the output file, set and returns flush_done false.
**
*********************************************************************
*/

	SLONG write_cnt;

	if (file_size > remaining_io_len)
		write_cnt = write_platf(output_fl_desc, remaining_io, remaining_io_len);
	else	// file_size <= remaining_io_len
		write_cnt = write_platf(output_fl_desc, remaining_io, (unsigned int) file_size);

	switch (write_cnt)
	{
	case -1:					// write failed
		close_platf(output_fl_desc);
		*flush_done = false;
		return FB_FAILURE;

	default:
		if (write_cnt == remaining_io_len)	// write ok
			*flush_done = true;
		else
		{
			// could not write out all remaining data
			close_platf(output_fl_desc);
			*flush_done = false;
		}
		*byte_write = write_cnt;
		return FB_SUCCESS;