668 static void csvtabCursorRowReset(CsvCursor *pCur){  in csvtabCursorRowReset()  argument
669   CsvTable *pTab = (CsvTable*)pCur->base.pVtab;  in csvtabCursorRowReset()
672     sqlite3_free(pCur->azVal[i]);  in csvtabCursorRowReset()
673     pCur->azVal[i] = 0;  in csvtabCursorRowReset()
674     pCur->aLen[i] = 0;  in csvtabCursorRowReset()
696   CsvCursor *pCur = (CsvCursor*)cur;  in csvtabClose()  local
697   csvtabCursorRowReset(pCur);  in csvtabClose()
698   csv_reader_reset(&pCur->rdr);  in csvtabClose()
708   CsvCursor *pCur;  in csvtabOpen()  local
710   nByte = sizeof(*pCur) + (sizeof(char*)+sizeof(int))*pTab->nCol;  in csvtabOpen()
711   pCur = sqlite3_malloc64( nByte );  in csvtabOpen()
712   if( pCur==0 ) return SQLITE_NOMEM;  in csvtabOpen()
713   memset(pCur, 0, nByte);  in csvtabOpen()
714   pCur->azVal = (char**)&pCur[1];  in csvtabOpen()
715   pCur->aLen = (int*)&pCur->azVal[pTab->nCol];  in csvtabOpen()
716   *ppCursor = &pCur->base;  in csvtabOpen()
717   if( csv_reader_open(&pCur->rdr, pTab->zFilename, pTab->zData) ){  in csvtabOpen()
718     csv_xfer_error(pTab, &pCur->rdr);  in csvtabOpen()
730   CsvCursor *pCur = (CsvCursor*)cur;  in csvtabNext()  local
735     z = csv_read_one_field(&pCur->rdr);  in csvtabNext()
740       if( pCur->aLen[i] < pCur->rdr.n+1 ){  in csvtabNext()
741         char *zNew = sqlite3_realloc64(pCur->azVal[i], pCur->rdr.n+1);  in csvtabNext()
743           csv_errmsg(&pCur->rdr, "out of memory");  in csvtabNext()
744           csv_xfer_error(pTab, &pCur->rdr);  in csvtabNext()
747         pCur->azVal[i] = zNew;  in csvtabNext()
748         pCur->aLen[i] = pCur->rdr.n+1;  in csvtabNext()
750       memcpy(pCur->azVal[i], z, pCur->rdr.n+1);  in csvtabNext()
753   }while( pCur->rdr.cTerm==',' );  in csvtabNext()
755     pCur->iRowid = -1;  in csvtabNext()
757     pCur->iRowid++;  in csvtabNext()
759       sqlite3_free(pCur->azVal[i]);  in csvtabNext()
760       pCur->azVal[i] = 0;  in csvtabNext()
761       pCur->aLen[i] = 0;  in csvtabNext()
777   CsvCursor *pCur = (CsvCursor*)cur;  in csvtabColumn()  local
779   if( i>=0 && i<pTab->nCol && pCur->azVal[i]!=0 ){  in csvtabColumn()
780     sqlite3_result_text(ctx, pCur->azVal[i], -1, SQLITE_TRANSIENT);  in csvtabColumn()
789   CsvCursor *pCur = (CsvCursor*)cur;  in csvtabRowid()  local
790   *pRowid = pCur->iRowid;  in csvtabRowid()
799   CsvCursor *pCur = (CsvCursor*)cur;  in csvtabEof()  local
800   return pCur->iRowid<0;  in csvtabEof()
812   CsvCursor *pCur = (CsvCursor*)pVtabCursor;  in csvtabFilter()  local
814   pCur->iRowid = 0;  in csvtabFilter()
819   if( csv_append(&pCur->rdr, 0) ) return SQLITE_NOMEM;  in csvtabFilter()
821   if( pCur->rdr.in==0 ){  in csvtabFilter()
822     assert( pCur->rdr.zIn==pTab->zData );  in csvtabFilter()
824     assert( (size_t)pTab->iStart<=pCur->rdr.nIn );  in csvtabFilter()
825     pCur->rdr.iIn = pTab->iStart;  in csvtabFilter()
827     fseek(pCur->rdr.in, pTab->iStart, SEEK_SET);  in csvtabFilter()
828     pCur->rdr.iIn = 0;  in csvtabFilter()
829     pCur->rdr.nIn = 0;  in csvtabFilter()