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-------------------------------------------------------------------------------
-- --
-- GNADE : GNu Ada Database Environment --
-- --
-- Author : Juergen Pfeifer <juergen.pfeifer@gmx.net>
--
-- Copyright (C) 2000-2002 Juergen Pfeifer
-- --
-- GNADE is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 2, or (at your option) any later ver- --
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
-- for more details. You should have received a copy of the GNU General --
-- Public License distributed with GNAT; see file COPYING. If not, write --
-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
-- MA 02111-1307, USA. --
-- --
-- As a special exception, if other files instantiate generics from this --
-- unit, or you link this unit with other files to produce an executable, --
-- this unit does not by itself cause the resulting executable to be --
-- covered by the GNU General Public License. This exception does not --
-- however invalidate any other reasons why the executable file might be --
-- covered by the GNU Public License. --
-- --
-- GNADE is implemented to work with GNAT, the GNU Ada compiler. --
-- --
-------------------------------------------------------------------------------
package body GNU.DB.SQLCLI.Environment_Attribute is
procedure Get_Env_Attr (EnvironmentHandle : in SQLHENV;
Attribute : in SQL_ENVIRONMENT_ATTRIBUTE;
Value : in SQLPOINTER;
Length : in out SQLINTEGER;
Data : in SQLSMALLINT;
ErrorCode : access SQLRETURN)
is
pragma Unreferenced (Data);
function GetEnvAttr (EnvironmentHandle : SQLHENV;
Env_Type : SQL_ENVIRONMENT_ATTRIBUTE;
ValuePtr : SQLPOINTER;
Buffer_Length : SQLINTEGER;
P_Length : access SQLINTEGER)
return SQLRETURN;
pragma Import ($CALLCONVENTION, GetEnvAttr, "SQLGetEnvAttr");
Len : aliased SQLINTEGER := Length;
RC : constant SQLRETURN := GetEnvAttr (EnvironmentHandle,
Attribute,
Value,
Len,
Len'Access);
begin
ErrorCode.all := RC;
if Is_SQL_Ok (RC) then
Length := Len;
end if;
end Get_Env_Attr;
procedure Set_Env_Attr (EnvironmentHandle : in SQLHENV;
Attribute : in SQL_ENVIRONMENT_ATTRIBUTE;
Value : in SQLPOINTER;
Length : in SQLINTEGER;
Data : in SQLSMALLINT;
ErrorCode : out SQLRETURN)
is
pragma Unreferenced (Data);
function SetEnvAttr (EnvironmentHandle : SQLHENV;
Attribute : SQL_ENVIRONMENT_ATTRIBUTE;
Value : SQLPOINTER;
StringLength : SQLINTEGER)
return SQLRETURN;
pragma Import ($CALLCONVENTION, SetEnvAttr, "SQLSetEnvAttr");
begin
ErrorCode := SetEnvAttr (EnvironmentHandle,
Attribute,
Value,
Length);
end Set_Env_Attr;
function SQLGetEnvAttr
(EnvironmentHandle : SQLHENV;
Attribute : SQL_ENVIRONMENT_ATTRIBUTE;
MaxLength : SQLSMALLINT := SQL_MAX_OPTION_STRING_LENGTH;
ErrorCode : access SQLRETURN)
return Environment_Attribute'Class is
use type Dispatch.Attr_Get_Func;
F : constant Dispatch.Attr_Get_Func := Dispatch.Get_Func (Attribute);
begin
if F = null then
Raise_SQL_Error ("SQLGetEnvAttr",
SQL_ENVIRONMENT_ATTRIBUTE'Image (Attribute) &
Attr_Not_Supported_Msg);
else
return F.all (EnvironmentHandle,
Attribute,
MaxLength,
0,
ErrorCode);
end if;
end SQLGetEnvAttr;
function SQLGetEnvAttr
(EnvironmentHandle : SQLHENV;
Attribute : SQL_ENVIRONMENT_ATTRIBUTE;
MaxLength : SQLSMALLINT := SQL_MAX_OPTION_STRING_LENGTH)
return Environment_Attribute'Class is
RC : aliased SQLRETURN;
Result : constant Environment_Attribute'Class :=
SQLGetEnvAttr (EnvironmentHandle, Attribute, MaxLength, RC'Access);
begin
Check_SQL_Error (RC => RC,
ProcedureName => "SQLGetEnvAttr",
HandleType => SQL_HANDLE_ENV,
Handle => EnvironmentHandle);
return Result;
end SQLGetEnvAttr;
function SQLSetEnvAttr
(EnvironmentHandle : in SQLHENV;
AttrRec : in Environment_Attribute'Class) return SQLRETURN
is
use type Dispatch.Attr_Set_Proc;
F : constant Dispatch.Attr_Set_Proc :=
Dispatch.Set_Proc (AttrRec.Attribute);
RC : SQLRETURN;
begin
if F = null then
Raise_SQL_Error
("SQLSetEnvAttr",
SQL_ENVIRONMENT_ATTRIBUTE'Image (AttrRec.Attribute) &
Attr_Not_Supported_Msg);
else
F.all (EnvironmentHandle, AttrRec, 0, RC);
end if;
return RC;
end SQLSetEnvAttr;
procedure SQLSetEnvAttr
(EnvironmentHandle : in SQLHENV;
AttrRec : in Environment_Attribute'Class) is
RC : constant SQLRETURN := SQLSetEnvAttr (EnvironmentHandle, AttrRec);
begin
Check_SQL_Error (RC => RC,
ProcedureName => "SQLSetEnvAttr",
HandleType => SQL_HANDLE_ENV,
Handle => EnvironmentHandle);
end SQLSetEnvAttr;
begin
EA_Boolean.Register (SQL_ATTR_OUTPUT_NTS);
end GNU.DB.SQLCLI.Environment_Attribute;
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