hfscommon/Misc/FileExtentMapping.c

288 			foundData[0].blockCount = extentData[0].blockCount;
290 			foundData[1].blockCount = extentData[1].blockCount;
292 			foundData[2].blockCount = extentData[2].blockCount;
297 				foundData[i].blockCount = 0;
506 		firstFABN = nextFABN - foundData[foundIndex].blockCount;
598 		numAllocationBlocks = extentRecord[extentIndex].blockCount;
871 AddFileExtent(ExtendedVCB *vcb, FCB *fcb, u_int32_t startBlock, u_int32_t blockCount)
882 	peof = (int64_t)(fcb->ff_blocks + blockCount) * (int64_t)vcb->blockSize;
891 	if (foundData[foundIndex].blockCount != 0)
904 		foundData[0].blockCount = blockCount;
909 			foundData[i].blockCount = 0;
922 		foundData[foundIndex].blockCount = blockCount;
1158 			startBlock = foundData[foundIndex].startBlock + foundData[foundIndex].blockCount;
1211 				foundData[foundIndex].blockCount += actualNumBlocks;
1219 				if (foundData[foundIndex].blockCount != 0)	//	Is current extent free to use?
1239 					foundData[0].blockCount = actualNumBlocks;
1245 						foundData[i].blockCount = 0;
1265 					foundData[foundIndex].blockCount = actualNumBlocks;
1435 				fcb->fcbExtents[i].blockCount = 0;
1460 			startBlock = extentRecord[extentIndex].startBlock + extentRecord[extentIndex].blockCount - numBlocks;
1465 			extentRecord[extentIndex].blockCount -= numBlocks;
1467 			if (extentRecord[extentIndex].blockCount == 0)
1483 	while (extentIndex < numExtentsPerRecord && extentRecord[extentIndex].blockCount != 0) {
1484 		numBlocks = extentRecord[extentIndex].blockCount;
1492 		extentRecord[extentIndex].blockCount = 0;
1560 		blkcnt = fcb->fcbExtents[i].blockCount;
1583 			fcb->fcbExtents[i].blockCount = 0;
1586 			tailExtents[j].blockCount = blkcnt;
1618 			blkcnt = extents[i].blockCount;
1632 				tailExtents[j].blockCount = blkcnt;
1722 		numAllocationBlocks = extentData[extentIndex].blockCount;
2005 	newExtents[0].blockCount = oldExtents[0].blockCount;
2007 	newExtents[1].blockCount = oldExtents[1].blockCount;
2009 	newExtents[2].blockCount = oldExtents[2].blockCount;
2012 		if (oldExtents[3].startBlock || oldExtents[3].blockCount) {
2057 		blocks = extentRecord[extentIndex].blockCount;