/*
**    Name: Drivers.c
**
**    Date: Sat Jan 19 20:38:34 2002
**
*/

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

SQLRETURN  SQLDrivers(
    SQLHENV henv,
    SQLUSMALLINT fDirection,
    SQLCHAR *szDriverDesc,
    SQLSMALLINT cbDriverDescMax,
    SQLSMALLINT *pcbDriverDesc,
    SQLCHAR *szDriverAttributes,
    SQLSMALLINT cbDrvrAttrMax,
    SQLSMALLINT *pcbDrvrAttr)
    {
    _kernel_swi_regs regs;

    int block[2];

/* Wait for ready status */

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

/* Store parameters */

    regs.r[0] = SQL_Drivers;
    regs.r[1] = (int)henv;
    regs.r[2] = (int)fDirection;
    regs.r[3] = (int)szDriverDesc;
    regs.r[4] = (int)cbDriverDescMax;
    regs.r[5] = (int)pcbDriverDesc;
    regs.r[6] = (int)szDriverAttributes;

    block[0] = (int)cbDrvrAttrMax;
    block[1] = (int)pcbDrvrAttr;

    regs.r[7] = (int)block;

    _kernel_swi(SQL_DriverInfoP,&regs,&regs);

/* Wait for completion */

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

/* Get results */

    regs.r[0] = SQL_Drivers;
    regs.r[1] = (int)henv;
    regs.r[2] = (int)fDirection;
    regs.r[3] = (int)szDriverDesc;
    regs.r[4] = (int)cbDriverDescMax;
    regs.r[5] = (int)pcbDriverDesc;
    regs.r[6] = (int)szDriverAttributes;

    block[0] = (int)cbDrvrAttrMax;
    block[1] = (int)pcbDrvrAttr;

    regs.r[7] = (int)block;

    _kernel_swi(SQL_DriverInfo,&regs,&regs);

    return (SQLRETURN)ODBCLibFinished();
    }
