/*
**    Name: DescParam.c
**
**    Date: Sun Jan 20 16:30:23 2002
**
*/

#include "ODBCLib.h"
#include "isql.h"
#include "isqlext.h"
#include "kernel.h"

SQLRETURN  SQLDescribeParam(
    SQLHSTMT hstmt,
    SQLUSMALLINT ipar,
    SQLSMALLINT *pfSqlType,
    SQLUINTEGER *pcbParamDef,
    SQLSMALLINT *pibScale,
    SQLSMALLINT *pfNullable)
    {
    _kernel_swi_regs regs;

/* Wait for ready status */

    if (ODBCLibWait(ODBC_STATE_READY))
        {
        return SQL_ERROR;
        }

/* Store parameters */

    regs.r[0] = SQL_DescribeParam;
    regs.r[1] = (int)hstmt;
    regs.r[2] = (int)ipar;
    regs.r[3] = (int)pfSqlType;
    regs.r[4] = (int)pcbParamDef;
    regs.r[5] = (int)pibScale;
    regs.r[6] = (int)pfNullable;

    _kernel_swi(SQL_RequestP,&regs,&regs);

/* Wait for completion */

    if (ODBCLibWait(ODBC_STATE_COMPLETE))
        {
        return SQL_ERROR;
        }

/* Get results */

    regs.r[0] = SQL_DescribeParam;
    regs.r[1] = (int)hstmt;
    regs.r[2] = (int)ipar;
    regs.r[3] = (int)pfSqlType;
    regs.r[4] = (int)pcbParamDef;
    regs.r[5] = (int)pibScale;
    regs.r[6] = (int)pfNullable;

    _kernel_swi(SQL_Request,&regs,&regs);

    return (SQLRETURN)ODBCLibFinished();
    }
