4639   sqlite_int64 iOfst  in rbuVfsRead()  argument
4647     rc = rbuCaptureWalRead(p->pRbu, iOfst, iAmt);  in rbuVfsRead()
4651      && iOfst>=pRbu->iOalSz   in rbuVfsRead()
4656       rc = p->pReal->pMethods->xRead(p->pReal, zBuf, iAmt, iOfst);  in rbuVfsRead()
4663           && rc==SQLITE_IOERR_SHORT_READ && iOfst==0  in rbuVfsRead()
4668         rc = pFd->pMethods->xRead(pFd, zBuf, iAmt, iOfst);  in rbuVfsRead()
4687     if( rc==SQLITE_OK && iOfst==0 && (p->openFlags & SQLITE_OPEN_MAIN_DB) ){  in rbuVfsRead()
4705   sqlite_int64 iOfst  in rbuVfsWrite()  argument
4713     rc = rbuCaptureDbWrite(p->pRbu, iOfst);  in rbuVfsWrite()
4718        && iOfst>=pRbu->iOalSz  in rbuVfsWrite()
4720         pRbu->iOalSz = iAmt + iOfst;  in rbuVfsWrite()
4722         i64 szNew = iAmt+iOfst;  in rbuVfsWrite()
4729     rc = p->pReal->pMethods->xWrite(p->pReal, zBuf, iAmt, iOfst);  in rbuVfsWrite()
4730     if( rc==SQLITE_OK && iOfst==0 && (p->openFlags & SQLITE_OPEN_MAIN_DB) ){  in rbuVfsWrite()