/usr/lib/swi-prolog/library/uuid.pl is in swi-prolog-nox 7.2.3+dfsg-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 | /* Part of SWI-Prolog
Author: Jan Wielemaker
E-mail: J.Wielemaker@vu.nl
WWW: http://www.swi-prolog.org
Copyright (C): 2012, VU University Amsterdam
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program 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 along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
As a special exception, if you link this library with other files,
compiled with a Free Software compiler, to produce an executable, this
library 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 General Public License.
*/
:- module(uuid,
[ uuid/1, % -UUID
uuid/2 % -UUID, +Options
]).
/** <module> Universally Unique Identifier (UUID) Library
The library provides operations on UUIDs. Please consult other sources
for understanding UUIDs and the implications of the different UUID
versions. Some typical calls are given below:
==
?- uuid(X).
X = 'ea6589fa-19dd-11e2-8a49-001d92e1879d'.
?- uuid(X, [url('http://www.swi-prolog.org')]).
X = '73a07870-6a90-3f2e-ae2b-ffa538dc7c2c'.
==
@tbd Compare UUIDs, extract time and version from UUIDs
@see http://www.ossp.org/pkg/lib/uuid/
*/
:- use_foreign_library(foreign(uuid)).
%% uuid(-UUID) is det.
%
% UUID is an atom representing a new UUID. This is the same as
% calling uuid(UUID, []). See uuid/2 for options.
uuid(UUID) :-
uuid(UUID, []).
%% uuid(-UUID, +Options) is det.
%
% Create a new UUID according to Options. The following options
% are defined:
%
% * version(+Versions)
% Integer in the range 1..5, which specifies the UUID version
% that is created. Default is 1.
%
% * dns(DNS)
% * url(URL)
% * oid(OID)
% * x500(X500)
% Provide additional context information for UUIDs using version
% 3 or 5. If there is no explicit version option, UUID version
% 3 is used.
%
% * format(+Format)
% Representation of the UUID. Default is =atom=, yielding atoms
% such as =|8304efdd-bd6e-5b7c-a27f-83f3f05c64e0|=. The
% alternative is =integer=, returning a large integer that
% represents the 128 bits of the UUID.
|