23227   struct MemBlockHdr *pHdr;  in sqlite3MemSize()  local
23231   pHdr = sqlite3MemsysGetHeader(p);  in sqlite3MemSize()
23232   return (int)pHdr->iSize;  in sqlite3MemSize()
23293   struct MemBlockHdr *pHdr;  in sqlite3MemMalloc()  local
23303   totalSize = nReserve + sizeof(*pHdr) + sizeof(int) +  in sqlite3MemMalloc()
23309     pHdr = (struct MemBlockHdr*)&pBt[mem.nBacktrace];  in sqlite3MemMalloc()
23310     pHdr->pNext = 0;  in sqlite3MemMalloc()
23311     pHdr->pPrev = mem.pLast;  in sqlite3MemMalloc()
23313       mem.pLast->pNext = pHdr;  in sqlite3MemMalloc()
23315       mem.pFirst = pHdr;  in sqlite3MemMalloc()
23317     mem.pLast = pHdr;  in sqlite3MemMalloc()
23318     pHdr->iForeGuard = FOREGUARD;  in sqlite3MemMalloc()
23319     pHdr->eType = MEMTYPE_HEAP;  in sqlite3MemMalloc()
23320     pHdr->nBacktraceSlots = mem.nBacktrace;  in sqlite3MemMalloc()
23321     pHdr->nTitle = mem.nTitle;  in sqlite3MemMalloc()
23324       pHdr->nBacktrace = backtrace(aAddr, mem.nBacktrace+1)-1;  in sqlite3MemMalloc()
23325       memcpy(pBt, &aAddr[1], pHdr->nBacktrace*sizeof(void*));  in sqlite3MemMalloc()
23328         mem.xBacktrace(nByte, pHdr->nBacktrace-1, &aAddr[1]);  in sqlite3MemMalloc()
23331       pHdr->nBacktrace = 0;  in sqlite3MemMalloc()
23336     pHdr->iSize = nByte;  in sqlite3MemMalloc()
23338     pInt = (int*)&pHdr[1];  in sqlite3MemMalloc()
23352   struct MemBlockHdr *pHdr;  in sqlite3MemFree()  local
23357   pHdr = sqlite3MemsysGetHeader(pPrior);  in sqlite3MemFree()
23358   pBt = (void**)pHdr;  in sqlite3MemFree()
23359   pBt -= pHdr->nBacktraceSlots;  in sqlite3MemFree()
23361   if( pHdr->pPrev ){  in sqlite3MemFree()
23362     assert( pHdr->pPrev->pNext==pHdr );  in sqlite3MemFree()
23363     pHdr->pPrev->pNext = pHdr->pNext;  in sqlite3MemFree()
23365     assert( mem.pFirst==pHdr );  in sqlite3MemFree()
23366     mem.pFirst = pHdr->pNext;  in sqlite3MemFree()
23368   if( pHdr->pNext ){  in sqlite3MemFree()
23369     assert( pHdr->pNext->pPrev==pHdr );  in sqlite3MemFree()
23370     pHdr->pNext->pPrev = pHdr->pPrev;  in sqlite3MemFree()
23372     assert( mem.pLast==pHdr );  in sqlite3MemFree()
23373     mem.pLast = pHdr->pPrev;  in sqlite3MemFree()
23376   z -= pHdr->nTitle;  in sqlite3MemFree()
23377   adjustStats((int)pHdr->iSize, -1);  in sqlite3MemFree()
23378   randomFill(z, sizeof(void*)*pHdr->nBacktraceSlots + sizeof(*pHdr) +  in sqlite3MemFree()
23379                 (int)pHdr->iSize + sizeof(int) + pHdr->nTitle);  in sqlite3MemFree()
23433     struct MemBlockHdr *pHdr;  in sqlite3MemdebugSetType()  local
23434     pHdr = sqlite3MemsysGetHeader(p);  in sqlite3MemdebugSetType()
23435     assert( pHdr->iForeGuard==FOREGUARD );  in sqlite3MemdebugSetType()
23436     pHdr->eType = eType;  in sqlite3MemdebugSetType()
23452     struct MemBlockHdr *pHdr;  in sqlite3MemdebugHasType()  local
23453     pHdr = sqlite3MemsysGetHeader(p);  in sqlite3MemdebugHasType()
23454     assert( pHdr->iForeGuard==FOREGUARD );         /* Allocation is valid */  in sqlite3MemdebugHasType()
23455     if( (pHdr->eType&eType)==0 ){  in sqlite3MemdebugHasType()
23474     struct MemBlockHdr *pHdr;  in sqlite3MemdebugNoType()  local
23475     pHdr = sqlite3MemsysGetHeader(p);  in sqlite3MemdebugNoType()
23476     assert( pHdr->iForeGuard==FOREGUARD );         /* Allocation is valid */  in sqlite3MemdebugNoType()
23477     if( (pHdr->eType&eType)!=0 ){  in sqlite3MemdebugNoType()
23514   struct MemBlockHdr *pHdr;  in sqlite3MemdebugSync()  local
23515   for(pHdr=mem.pFirst; pHdr; pHdr=pHdr->pNext){  in sqlite3MemdebugSync()
23516     void **pBt = (void**)pHdr;  in sqlite3MemdebugSync()
23517     pBt -= pHdr->nBacktraceSlots;  in sqlite3MemdebugSync()
23518     mem.xBacktrace((int)pHdr->iSize, pHdr->nBacktrace-1, &pBt[1]);  in sqlite3MemdebugSync()
23528   struct MemBlockHdr *pHdr;  in sqlite3MemdebugDump()  local
23537   for(pHdr=mem.pFirst; pHdr; pHdr=pHdr->pNext){  in sqlite3MemdebugDump()
23538     char *z = (char*)pHdr;  in sqlite3MemdebugDump()
23539     z -= pHdr->nBacktraceSlots*sizeof(void*) + pHdr->nTitle;  in sqlite3MemdebugDump()
23541             pHdr->iSize, &pHdr[1], pHdr->nTitle ? z : "???");  in sqlite3MemdebugDump()
23542     if( pHdr->nBacktrace ){  in sqlite3MemdebugDump()
23544       pBt = (void**)pHdr;  in sqlite3MemdebugDump()
23545       pBt -= pHdr->nBacktraceSlots;  in sqlite3MemdebugDump()
23546       backtrace_symbols_fd(pBt, pHdr->nBacktrace, fileno(out));  in sqlite3MemdebugDump()