contrib/sqlite3/sqlite3.c

1192 ** for their own use.  The pMethods entry is a pointer to an
1198   const struct sqlite3_io_methods *pMethods;  /* Methods for an open file */
1210 ** If the [sqlite3_vfs.xOpen] method sets the sqlite3_file.pMethods element
1214 ** is for the [sqlite3_vfs.xOpen] to set the sqlite3_file.pMethods element
1620 ** the xOpen method must set the sqlite3_file.pMethods to either
1622 ** this even if the open fails.  SQLite expects that the sqlite3_file.pMethods
15158   if( pId->pMethods ){
15159     rc = pId->pMethods->xClose(pId);
15160     pId->pMethods = 0;
15166   return id->pMethods->xRead(id, pBuf, amt, offset);
15170   return id->pMethods->xWrite(id, pBuf, amt, offset);
15173   return id->pMethods->xTruncate(id, size);
15177   return id->pMethods->xSync(id, flags);
15181   return id->pMethods->xFileSize(id, pSize);
15185   return id->pMethods->xLock(id, lockType);
15188   return id->pMethods->xUnlock(id, lockType);
15192   return id->pMethods->xCheckReservedLock(id, pResOut);
15205   return id->pMethods->xFileControl(id, op, pArg);
15208   (void)id->pMethods->xFileControl(id, op, pArg);
15212   int (*xSectorSize)(sqlite3_file*) = id->pMethods->xSectorSize;
15216   return id->pMethods->xDeviceCharacteristics(id);
15219   return id->pMethods->xShmLock(id, offset, n, flags);
15222   id->pMethods->xShmBarrier(id);
15225   return id->pMethods->xShmUnmap(id, deleteFlag);
15235   return id->pMethods->xShmMap(id, iPage, pgsz, bExtend, pp);
15242   return id->pMethods->xFetch(id, iOff, iAmt, pp);
15245   return id->pMethods->xUnfetch(id, iOff, p);
15276   assert( rc==SQLITE_OK || pFile->pMethods==0 );
28111     const sqlite3_io_methods *pMethods;   /* Appropriate locking method */
28135         return aMap[i].pMethods;
28860           ** pFile->pMethods will be NULL so sqlite3OsClose will be a no-op
39130 **   if( pPager->jfd->pMethods ){ ...
39132 #define isOpen(pFd) ((pFd)->pMethods)
41129   if( pPager->fd->pMethods ){
41715     pPager->bUseFetch = (fd->pMethods->iVersion>=3) && pPager->szMmap>0;
42249   assert( pPager->fd->pMethods->iVersion>=3 );
45314   const sqlite3_io_methods *pMethods = pPager->fd->pMethods;
45315   return pPager->exclusiveMode || (pMethods->iVersion>=2 && pMethods->xShmMap);
48456     if( isChanged && pWal->pDbFd->pMethods->iVersion>=3 ){
53636          && (fd = sqlite3PagerFile(pBt->pPager))->pMethods     /* (3) */
58745   if( pFd->pMethods ){
73445   if( p->pMethods!=&JournalFileMethods ){
73458   return (p->pMethods!=&JournalFileMethods || ((JournalFile *)p)->pReal!=0);
73723   return pJfd->pMethods==&MemJournalMethods;
117787     }else if( fd->pMethods ){