28446   int iBlock;  in memsys5FreeUnsafe()  local
28451   iBlock = (int)(((u8 *)pOld-mem5.zPool)/mem5.szAtom);  in memsys5FreeUnsafe()
28454   assert( iBlock>=0 && iBlock<mem5.nBlock );  in memsys5FreeUnsafe()
28456   assert( (mem5.aCtrl[iBlock] & CTRL_FREE)==0 );  in memsys5FreeUnsafe()
28458   iLogsize = mem5.aCtrl[iBlock] & CTRL_LOGSIZE;  in memsys5FreeUnsafe()
28460   assert( iBlock+size-1<(u32)mem5.nBlock );  in memsys5FreeUnsafe()
28462   mem5.aCtrl[iBlock] |= CTRL_FREE;  in memsys5FreeUnsafe()
28463   mem5.aCtrl[iBlock+size-1] |= CTRL_FREE;  in memsys5FreeUnsafe()
28474   mem5.aCtrl[iBlock] = CTRL_FREE | iLogsize;  in memsys5FreeUnsafe()
28477     if( (iBlock>>iLogsize) & 1 ){  in memsys5FreeUnsafe()
28478       iBuddy = iBlock - size;  in memsys5FreeUnsafe()
28481       iBuddy = iBlock + size;  in memsys5FreeUnsafe()
28487     if( iBuddy<iBlock ){  in memsys5FreeUnsafe()
28489       mem5.aCtrl[iBlock] = 0;  in memsys5FreeUnsafe()
28490       iBlock = iBuddy;  in memsys5FreeUnsafe()
28492       mem5.aCtrl[iBlock] = CTRL_FREE | iLogsize;  in memsys5FreeUnsafe()
28501   memset(&mem5.zPool[iBlock*mem5.szAtom], 0x55, size);  in memsys5FreeUnsafe()
28504   memsys5Link(iBlock, iLogsize);  in memsys5FreeUnsafe()
198397   sqlite3_int64 iBlock,           /* Block id for new block */
198404     sqlite3_bind_int64(pStmt, 1, iBlock);
200178   sqlite3_int64 iBlock;           /* Current block id */
200337   sqlite3_int64 iPtr = pWriter->aNodeWriter[0].iBlock;
200392       rc = fts3WriteSegment(p, pNode->iBlock, pNode->block.a, pNode->block.n);
200398       iNextPtr = pNode->iBlock;
200399       pNode->iBlock++;
200518    && pLeaf->iBlock < (pWriter->iStart + pWriter->nLeafEst)
200520     rc = fts3WriteSegment(p, pLeaf->iBlock, pLeaf->block.a, pLeaf->block.n);
200540     pLeaf->iBlock++;
200625           &pBlock->a[1], pWriter->aNodeWriter[0].iBlock
200636       rc = fts3WriteSegment(p, pNode->iBlock, pNode->block.a, pNode->block.n);
200648         pWriter->aNodeWriter[0].iBlock,     /* leaves_end_block */
200814         pWriter->aNodeWriter[i].iBlock = pWriter->iStart + i*pWriter->nLeafEst;
200818       pNode->iBlock = pWriter->iStart + pWriter->nLeafEst*nHeight;
200847               pNode->iBlock = reader.iChild;
200975     pWriter->aNodeWriter[i].iBlock = pWriter->iStart + i*pWriter->nLeafEst;
201158   sqlite3_int64 iBlock = 0;       /* Block id */
201172       rc = fts3TruncateNode(aRoot, nRoot, &root, zTerm, nTerm, &iBlock);
201178   while( rc==SQLITE_OK && iBlock ){
201181     iNewStart = iBlock;
201183     rc = sqlite3Fts3ReadBlock(p, iBlock, &aBlock, &nBlock, 0);
201185       rc = fts3TruncateNode(aBlock, nBlock, &block, zTerm, nTerm, &iBlock);