28945   int iBlock;  in memsys5FreeUnsafe()  local
28950   iBlock = (int)(((u8 *)pOld-mem5.zPool)/mem5.szAtom);  in memsys5FreeUnsafe()
28953   assert( iBlock>=0 && iBlock<mem5.nBlock );  in memsys5FreeUnsafe()
28955   assert( (mem5.aCtrl[iBlock] & CTRL_FREE)==0 );  in memsys5FreeUnsafe()
28957   iLogsize = mem5.aCtrl[iBlock] & CTRL_LOGSIZE;  in memsys5FreeUnsafe()
28959   assert( iBlock+size-1<(u32)mem5.nBlock );  in memsys5FreeUnsafe()
28961   mem5.aCtrl[iBlock] |= CTRL_FREE;  in memsys5FreeUnsafe()
28962   mem5.aCtrl[iBlock+size-1] |= CTRL_FREE;  in memsys5FreeUnsafe()
28973   mem5.aCtrl[iBlock] = CTRL_FREE | iLogsize;  in memsys5FreeUnsafe()
28976     if( (iBlock>>iLogsize) & 1 ){  in memsys5FreeUnsafe()
28977       iBuddy = iBlock - size;  in memsys5FreeUnsafe()
28980       iBuddy = iBlock + size;  in memsys5FreeUnsafe()
28986     if( iBuddy<iBlock ){  in memsys5FreeUnsafe()
28988       mem5.aCtrl[iBlock] = 0;  in memsys5FreeUnsafe()
28989       iBlock = iBuddy;  in memsys5FreeUnsafe()
28991       mem5.aCtrl[iBlock] = CTRL_FREE | iLogsize;  in memsys5FreeUnsafe()
29000   memset(&mem5.zPool[iBlock*mem5.szAtom], 0x55, size);  in memsys5FreeUnsafe()
29003   memsys5Link(iBlock, iLogsize);  in memsys5FreeUnsafe()
201364   sqlite3_int64 iBlock,           /* Block id for new block */
201371     sqlite3_bind_int64(pStmt, 1, iBlock);
203145   sqlite3_int64 iBlock;           /* Current block id */
203304   sqlite3_int64 iPtr = pWriter->aNodeWriter[0].iBlock;
203359       rc = fts3WriteSegment(p, pNode->iBlock, pNode->block.a, pNode->block.n);
203365       iNextPtr = pNode->iBlock;
203366       pNode->iBlock++;
203485    && pLeaf->iBlock < (pWriter->iStart + pWriter->nLeafEst)
203487     rc = fts3WriteSegment(p, pLeaf->iBlock, pLeaf->block.a, pLeaf->block.n);
203507     pLeaf->iBlock++;
203592           &pBlock->a[1], pWriter->aNodeWriter[0].iBlock
203603       rc = fts3WriteSegment(p, pNode->iBlock, pNode->block.a, pNode->block.n);
203615         pWriter->aNodeWriter[0].iBlock,     /* leaves_end_block */
203781         pWriter->aNodeWriter[i].iBlock = pWriter->iStart + i*pWriter->nLeafEst;
203785       pNode->iBlock = pWriter->iStart + pWriter->nLeafEst*nHeight;
203814               pNode->iBlock = reader.iChild;
203942     pWriter->aNodeWriter[i].iBlock = pWriter->iStart + i*pWriter->nLeafEst;
204125   sqlite3_int64 iBlock = 0;       /* Block id */
204139       rc = fts3TruncateNode(aRoot, nRoot, &root, zTerm, nTerm, &iBlock);
204145   while( rc==SQLITE_OK && iBlock ){
204148     iNewStart = iBlock;
204150     rc = sqlite3Fts3ReadBlock(p, iBlock, &aBlock, &nBlock, 0);
204152       rc = fts3TruncateNode(aBlock, nBlock, &block, zTerm, nTerm, &iBlock);