c_rows.c

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00001 #include <grass/dbmi.h>
00002 #include "macros.h"
00003 
00010 int
00011 db_get_num_rows ( dbCursor *cursor )
00012 {
00013     int nrows, ret_code;
00014 
00015     /* start the procedure call */
00016     db__set_protocol_fds (cursor->driver->send, cursor->driver->recv);
00017     DB_START_PROCEDURE_CALL(DB_PROC_ROWS);
00018 
00019     /* send the argument(s) to the procedure */
00020     DB_SEND_TOKEN (&cursor->token);
00021 
00022     /* get the return code for the procedure call */
00023     DB_RECV_RETURN_CODE(&ret_code);
00024 
00025     if (ret_code != DB_OK)
00026         return -1;
00027 
00028     /* get the results */
00029     DB_RECV_INT (&nrows);
00030     
00031     return nrows;
00032 }

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