Function MVOL_skip_block

src/burp/mvol.cpp:1007–1029

____________________________________________________________ Skip head in the IO buffer. Often used when only doing partial restores.

// doing partial restores.
//
void MVOL_skip_block( BurpGlobals* tdgbl, ULONG count)
{
	// To handle tape drives & Multi-volume boundaries, use the normal
	// read function, instead of doing a more optimal seek.


	while (count)
	{
		// If buffer empty, reload it
		if (tdgbl->gbl_io_cnt <= 0)
		{
			MVOL_read(tdgbl);
		}

		const ULONG n = MIN(count, (ULONG) tdgbl->gbl_io_cnt);

		// Skip ahead in current buffer

		count -= n;
		tdgbl->gbl_io_cnt -= n;
		tdgbl->gbl_io_ptr += n;
	}
}


#ifdef WIN_NT