d_rows.c

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#include <grass/dbmi.h>
#include "macros.h"
#include "dbstubs.h"

int db_d_get_num_rows(void)
{
    dbToken token;
    dbCursor *cursor;
    int nrows;

    /* get the arg(s) */
    DB_RECV_TOKEN(&token);
    cursor = (dbCursor *) db_find_token(token);

    /* call the procedure */
    nrows = db_driver_get_num_rows(cursor);

    /* send the return code */
    if (nrows < 0) {
        DB_SEND_FAILURE();
        return DB_OK;
    }
    DB_SEND_SUCCESS();

    /* results */
    DB_SEND_INT(nrows);
    return DB_OK;
}