/usr/include/synfig-1.0/synfig/guid.h is in libsynfig-dev 1.0.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*! \file guid.h
** \brief Template Header
**
** $Id$
**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
**
** This package 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 package 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.
** \endlegal
*/
/* ========================================================================= */
/* === S T A R T =========================================================== */
#ifndef __SYNFIG_GUID_H
#define __SYNFIG_GUID_H
/* === H E A D E R S ======================================================= */
#include "string.h"
#include <stdint.h>
#include <cassert>
/* === M A C R O S ========================================================= */
/* === T Y P E D E F S ===================================================== */
/* === C L A S S E S & S T R U C T S ======================================= */
namespace synfig {
class GUID
{
union {
struct {
unsigned int a;
unsigned int b;
unsigned int c;
unsigned int d;
} u_32;
struct {
uint64_t a;
uint64_t b;
} u_64;
} data;
public:
GUID()
{ make_unique(); }
GUID(const GUID& x):data(x.data)
{ }
GUID(const int i __attribute__ ((unused))){assert(!i); data.u_64.a=0;data.u_64.b=0;}
GUID(const String& str);
static GUID zero() { return GUID(0); }
static GUID hasher(const String& str);
static GUID hasher(int i);
static GUID hasher(const GUID &x);
operator bool()const { return data.u_32.a||data.u_32.b||data.u_32.c||data.u_32.d; }
uint64_t get_hi()const { return data.u_64.a; }
uint64_t get_lo()const { return data.u_64.b; }
uint64_t get_hi_hi()const { return data.u_32.a; }
uint64_t get_hi_lo()const { return data.u_32.b; }
uint64_t get_lo_hi()const { return data.u_32.c; }
uint64_t get_lo_lo()const { return data.u_32.d; }
void make_unique();
String get_string()const;
bool operator==(const GUID& rhs)const
{ return data.u_64.a==rhs.data.u_64.a && data.u_64.b==rhs.data.u_64.b; }
bool operator!=(const GUID& rhs)const
{ return data.u_64.a!=rhs.data.u_64.a || data.u_64.b!=rhs.data.u_64.b; }
bool operator<(const GUID& rhs)const
{ return (data.u_64.a==rhs.data.u_64.a)?(data.u_64.b<rhs.data.u_64.b):(data.u_64.a<rhs.data.u_64.a); }
bool operator>(const GUID& rhs)const
{ return (data.u_64.a==rhs.data.u_64.a)?(data.u_64.b>rhs.data.u_64.b):(data.u_64.a>rhs.data.u_64.a); }
bool operator<=(const GUID& rhs)const
{ return operator<(rhs) || operator==(rhs); }
bool operator>=(const GUID& rhs)const
{ return operator>(rhs) || operator==(rhs); }
//! Operator '^' (xor)
/*! If A ^ B == C, then C ^ B == A and B ^ A == C.
** Also keep in mind that A ^ A == 0 and A ^ B ^ B = A. */
GUID& operator^=(const GUID& rhs)
{
data.u_32.a^=rhs.data.u_32.a;
data.u_32.b^=rhs.data.u_32.b;
data.u_32.c^=rhs.data.u_32.c;
data.u_32.d^=rhs.data.u_32.d;
return *this;
}
GUID operator^(const GUID& rhs)const { return GUID(*this)^=rhs; }
//! Operator '%' (alt-xor)
/*! A % B != B % A. */
GUID& operator%=(const GUID& rhs)
{
data.u_32.a^=rhs.data.u_32.b;
data.u_32.b^=rhs.data.u_32.c;
data.u_32.c^=rhs.data.u_32.d;
data.u_32.d^=rhs.data.u_32.a;
return *this;
}
GUID operator%(const GUID& rhs)const { return GUID(*this)%=rhs; }
};
class GUIDHash
{
public:
size_t operator()(const GUID& guid)const
{
return
guid.get_hi_hi()+
guid.get_hi_lo()+
guid.get_lo_hi()+
guid.get_lo_lo();
}
};
};
/* === E N D =============================================================== */
#endif
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