Function mvol_write_block

src/burp/mvol.cpp:1382–1413

}

const UCHAR* mvol_write_block(BurpGlobals* tdgbl, const UCHAR* ptr, ULONG count)
{
	// To handle tape drives & Multi-volume boundaries, use the normal
	// write function, instead of doing a more optimal bulk write.

	while (count)
	{
		// If buffer full, dump it
		if (tdgbl->blk_io_cnt <= 0)
		{
			mvol_write(*ptr++, &tdgbl->blk_io_cnt, &tdgbl->blk_io_ptr);

			// One byte was written by mvol_write
			count--;
		}

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

		// Copy data to the IO buffer

		memcpy(tdgbl->blk_io_ptr, ptr, n);
		ptr += n;

		// Skip ahead in current buffer

		count -= n;
		tdgbl->blk_io_cnt -= n;
		tdgbl->blk_io_ptr += n;

	}
	return ptr;
}


//____________________________________________________________