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------------------------------------------------------------------------------
-- --
-- FLORIST (FSU Implementation of POSIX.5) COMPONENTS --
-- --
-- P O S I X . U S E R _ D A T A B A S E --
-- --
-- B o d y --
-- --
-- --
-- Copyright (C) 1996-1997 Florida State University --
-- Copyright (C) 1998-2014, AdaCore --
-- --
-- This file is a component of FLORIST, an implementation of an Ada API --
-- for the POSIX OS services, for use with the GNAT Ada compiler and --
-- the FSU Gnu Ada Runtime Library (GNARL). The interface is intended --
-- to be close to that specified in IEEE STD 1003.5: 1990 and IEEE STD --
-- 1003.5b: 1996. --
-- --
-- FLORIST is free software; you can redistribute it and/or modify it --
-- under terms of the GNU General Public License as published by the --
-- Free Software Foundation; either version 2, or (at your option) any --
-- later version. FLORIST is distributed in the hope that it will be --
-- useful, but WITHOUT 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 GNARL; see --
-- file COPYING. If not, write to the Free Software Foundation, 59 --
-- Temple Place - Suite 330, Boston, MA 02111-1307, USA. --
-- --
-- --
-- --
-- --
-- --
-- --
-- --
-- --
------------------------------------------------------------------------------
with POSIX.Implementation,
Unchecked_Conversion;
package body POSIX.User_Database is
use POSIX.C;
use POSIX.Implementation;
function To_uid_t is new Unchecked_Conversion
(POSIX_Process_Identification.User_ID, uid_t);
function To_User_ID is new Unchecked_Conversion
(uid_t, POSIX_Process_Identification.User_ID);
function To_Group_ID is new Unchecked_Conversion
(gid_t, POSIX_Process_Identification.Group_ID);
--------------------
-- User_Name_Of --
--------------------
function User_Name_Of (DB_Item : User_Database_Item)
return POSIX.POSIX_String is
begin
return Form_POSIX_String (DB_Item.pw_name);
end User_Name_Of;
------------------
-- User_ID_Of --
------------------
function User_ID_Of (DB_Item : User_Database_Item)
return POSIX_Process_Identification.User_ID is
begin
return To_User_ID (DB_Item.pw_uid);
end User_ID_Of;
-------------------
-- Group_ID_Of --
-------------------
function Group_ID_Of (DB_Item : User_Database_Item)
return POSIX_Process_Identification.Group_ID is
begin
return To_Group_ID (DB_Item.pw_gid);
end Group_ID_Of;
----------------------------
-- Initial_Directory_Of --
----------------------------
function Initial_Directory_Of (DB_Item : User_Database_Item)
return POSIX.POSIX_String is
begin
return Form_POSIX_String (DB_Item.pw_dir);
end Initial_Directory_Of;
--------------------------
-- Initial_Program_Of --
--------------------------
function Initial_Program_Of (DB_Item : User_Database_Item)
return POSIX.POSIX_String is
begin
return Form_POSIX_String (DB_Item.pw_shell);
end Initial_Program_Of;
------------------------------
-- Get_User_Database_Item --
------------------------------
function getpwuid (c_uid : uid_t) return passwd_ptr;
pragma Import (C, getpwuid, getpwuid_LINKNAME);
function Get_User_Database_Item
(UID : POSIX_Process_Identification.User_ID) return User_Database_Item is
Result : passwd_ptr;
begin
Result := getpwuid (To_uid_t (UID));
if Result = null then
Raise_POSIX_Error;
end if;
return User_Database_Item (Result);
end Get_User_Database_Item;
------------------------------
-- Get_User_Database_Item --
------------------------------
function getpwnam (c_name : char_ptr) return passwd_ptr;
pragma Import (C, getpwnam, getpwnam_LINKNAME);
function Get_User_Database_Item (Name : POSIX_String)
return User_Database_Item is
Result : passwd_ptr;
Name_With_NUL : POSIX_String := Name & NUL;
begin
Result := getpwnam
(Name_With_NUL (Name_With_NUL'First)'Unchecked_Access);
if Result = null then
Raise_POSIX_Error;
end if;
return User_Database_Item (Result);
end Get_User_Database_Item;
end POSIX.User_Database;
|
