10675   IntegrityCk sCheck;  in sqlite3BtreeIntegrityCheck()  local
10695   sCheck.db = db;  in sqlite3BtreeIntegrityCheck()
10696   sCheck.pBt = pBt;  in sqlite3BtreeIntegrityCheck()
10697   sCheck.pPager = pBt->pPager;  in sqlite3BtreeIntegrityCheck()
10698   sCheck.nPage = btreePagecount(sCheck.pBt);  in sqlite3BtreeIntegrityCheck()
10699   sCheck.mxErr = mxErr;  in sqlite3BtreeIntegrityCheck()
10700   sCheck.nErr = 0;  in sqlite3BtreeIntegrityCheck()
10701   sCheck.bOomFault = 0;  in sqlite3BtreeIntegrityCheck()
10702   sCheck.zPfx = 0;  in sqlite3BtreeIntegrityCheck()
10703   sCheck.v1 = 0;  in sqlite3BtreeIntegrityCheck()
10704   sCheck.v2 = 0;  in sqlite3BtreeIntegrityCheck()
10705   sCheck.aPgRef = 0;  in sqlite3BtreeIntegrityCheck()
10706   sCheck.heap = 0;  in sqlite3BtreeIntegrityCheck()
10707   sqlite3StrAccumInit(&sCheck.errMsg, 0, zErr, sizeof(zErr), SQLITE_MAX_LENGTH);  in sqlite3BtreeIntegrityCheck()
10708   sCheck.errMsg.printfFlags = SQLITE_PRINTF_INTERNAL;  in sqlite3BtreeIntegrityCheck()
10709   if( sCheck.nPage==0 ){  in sqlite3BtreeIntegrityCheck()
10713   sCheck.aPgRef = sqlite3MallocZero((sCheck.nPage / 8)+ 1);  in sqlite3BtreeIntegrityCheck()
10714   if( !sCheck.aPgRef ){  in sqlite3BtreeIntegrityCheck()
10715     sCheck.bOomFault = 1;  in sqlite3BtreeIntegrityCheck()
10718   sCheck.heap = (u32*)sqlite3PageMalloc( pBt->pageSize );  in sqlite3BtreeIntegrityCheck()
10719   if( sCheck.heap==0 ){  in sqlite3BtreeIntegrityCheck()
10720     sCheck.bOomFault = 1;  in sqlite3BtreeIntegrityCheck()
10725   if( i<=sCheck.nPage ) setPageReferenced(&sCheck, i);  in sqlite3BtreeIntegrityCheck()
10730     sCheck.zPfx = "Main freelist: ";  in sqlite3BtreeIntegrityCheck()
10731     checkList(&sCheck, 1, get4byte(&pBt->pPage1->aData[32]),  in sqlite3BtreeIntegrityCheck()
10733     sCheck.zPfx = 0;  in sqlite3BtreeIntegrityCheck()
10746         checkAppendMsg(&sCheck,  in sqlite3BtreeIntegrityCheck()
10752       checkAppendMsg(&sCheck,  in sqlite3BtreeIntegrityCheck()
10760   for(i=0; (int)i<nRoot && sCheck.mxErr; i++){  in sqlite3BtreeIntegrityCheck()
10765       checkPtrmap(&sCheck, aRoot[i], PTRMAP_ROOTPAGE, 0);  in sqlite3BtreeIntegrityCheck()
10768     checkTreePage(&sCheck, aRoot[i], &notUsed, LARGEST_INT64);  in sqlite3BtreeIntegrityCheck()
10775     for(i=1; i<=sCheck.nPage && sCheck.mxErr; i++){  in sqlite3BtreeIntegrityCheck()
10777       if( getPageReferenced(&sCheck, i)==0 ){  in sqlite3BtreeIntegrityCheck()
10778         checkAppendMsg(&sCheck, "Page %d is never used", i);  in sqlite3BtreeIntegrityCheck()
10784       if( getPageReferenced(&sCheck, i)==0 &&   in sqlite3BtreeIntegrityCheck()
10786         checkAppendMsg(&sCheck, "Page %d is never used", i);  in sqlite3BtreeIntegrityCheck()
10788       if( getPageReferenced(&sCheck, i)!=0 &&   in sqlite3BtreeIntegrityCheck()
10790         checkAppendMsg(&sCheck, "Pointer map page %d is referenced", i);  in sqlite3BtreeIntegrityCheck()
10799   sqlite3PageFree(sCheck.heap);  in sqlite3BtreeIntegrityCheck()
10800   sqlite3_free(sCheck.aPgRef);  in sqlite3BtreeIntegrityCheck()
10801   if( sCheck.bOomFault ){  in sqlite3BtreeIntegrityCheck()
10802     sqlite3_str_reset(&sCheck.errMsg);  in sqlite3BtreeIntegrityCheck()
10803     sCheck.nErr++;  in sqlite3BtreeIntegrityCheck()
10805   *pnErr = sCheck.nErr;  in sqlite3BtreeIntegrityCheck()
10806   if( sCheck.nErr==0 ) sqlite3_str_reset(&sCheck.errMsg);  in sqlite3BtreeIntegrityCheck()
10810   return sqlite3StrAccumFinish(&sCheck.errMsg);  in sqlite3BtreeIntegrityCheck()