82 lines
1.8 KiB
C
82 lines
1.8 KiB
C
|
/*
|
||
|
|
luid - Lumiera unique identifiers
|
||
|
|
|
||
|
|
Copyright (C) Lumiera.org
|
||
|
|
2008, Christian Thaeter <ct@pipapo.org>
|
||
|
|
|
||
|
|
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 program; if not, write to the Free Software
|
||
|
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||
|
|
*/
|
||
|
|
#ifndef LUMIERA_LUID_H
|
||
|
|
#define LUMIERA_LUID_H
|
||
|
|
|
||
|
|
#include <stdlib.h>
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @file
|
||
|
|
* Lumiera unique identifiers are 128 byte random value. Unlike standard uuid's we
|
||
|
|
* don't tag a version within them and we may store generic pointers in the space
|
||
|
|
* occupied by an luid.
|
||
|
|
*/
|
||
|
|
|
||
|
|
typedef unsigned char lumiera_uid[16];
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Retrieve a generic pointer stored in a luid
|
||
|
|
*/
|
||
|
|
void*
|
||
|
|
lumiera_uid_ptr_get (lumiera_uid* luid);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Generate a new luid
|
||
|
|
*/
|
||
|
|
void
|
||
|
|
lumiera_uid_gen (lumiera_uid* luid);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Store a generic pointer in a luid
|
||
|
|
*/
|
||
|
|
void
|
||
|
|
lumiera_uid_set_ptr (lumiera_uid* luid, void* ptr);
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Copy an luid
|
||
|
|
*/
|
||
|
|
void
|
||
|
|
lumiera_uid_copy (lumiera_uid* dest, lumiera_uid* src);
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Test 2 luid's for equality
|
||
|
|
*/
|
||
|
|
int
|
||
|
|
lumiera_uid_eq (lumiera_uid* luida, lumiera_uid* luidb);
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Generate a hashsum over an luid
|
||
|
|
*/
|
||
|
|
size_t
|
||
|
|
lumiera_uid_hash (lumiera_uid* luid);
|
||
|
|
|
||
|
|
#endif
|
||
|
|
/*
|
||
|
|
// Local Variables:
|
||
|
|
// mode: C
|
||
|
|
// c-file-style: "gnu"
|
||
|
|
// indent-tabs-mode: nil
|
||
|
|
// End:
|
||
|
|
*/
|