/*
**    Name: SpecCols.c
**
**    Date: Sun Jan 20 16:51:31 2002
**
*/

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

SQLRETURN  SQLSpecialColumns(
    SQLHSTMT StatementHandle,
    SQLUSMALLINT IdentifierType,
    SQLCHAR * CatalogName,
    SQLSMALLINT NameLength1,
    SQLCHAR * SchemaName,
    SQLSMALLINT NameLength2,
    SQLCHAR * TableName,
    SQLSMALLINT NameLength3,
    SQLUSMALLINT Scope,
    SQLUSMALLINT Nullable)
    {
    _kernel_swi_regs regs;

    int block[4];

/* Wait for ready status */

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

/* Store parameters */

    regs.r[0] = SQL_SpecialColumns;
    regs.r[1] = (int)StatementHandle;
    regs.r[2] = (int)IdentifierType;
    regs.r[3] = (int)CatalogName;
    regs.r[4] = (int)NameLength1;
    regs.r[5] = (int)SchemaName;
    regs.r[6] = (int)NameLength2;
    block[0] = (int)TableName;
    block[1] = (int)NameLength3;
    block[2] = (int)Scope;
    block[3] = (int)Nullable;

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

    _kernel_swi(SQL_SystemTablesP,&regs,&regs);

/* Wait for completion */

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

/* Get results */

    regs.r[0] = SQL_SpecialColumns;
    regs.r[1] = (int)StatementHandle;
    regs.r[2] = (int)IdentifierType;
    regs.r[3] = (int)CatalogName;
    regs.r[4] = (int)NameLength1;
    regs.r[5] = (int)SchemaName;
    regs.r[6] = (int)NameLength2;
    block[0] = (int)TableName;
    block[1] = (int)NameLength3;
    block[2] = (int)Scope;
    block[3] = (int)Nullable;

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

    _kernel_swi(SQL_SystemTables,&regs,&regs);

    return (SQLRETURN)ODBCLibFinished();
    }
