hfscommon/Misc/VolumeAllocation.c

2588 	u_int32_t curNumBlocks;
2605 	curNumBlocks = lastBit - startingBlock;
2606 	if (curNumBlocks > numBlocks) {
2607 		curNumBlocks = numBlocks;
2609 	error = BlockMarkFreeInternal(vcb, startingBlock, curNumBlocks, false);
2613 	startingBlock += curNumBlocks;
2614 	numBlocks -= curNumBlocks;
2631 			curNumBlocks = bitsPerBlock;
2633 			curNumBlocks = numBlocks;
2635 		if (hfs_isallocated(hfsmp, startingBlock, curNumBlocks) == true) {
2636 			error = BlockMarkFreeInternal(vcb, startingBlock, curNumBlocks, false);
2641 		startingBlock += curNumBlocks;
2642 		numBlocks -= curNumBlocks;