/*
 *  Copyright (C) 2004-2005 by Digital Mars, www.digitalmars.com
 *  Written by Walter Bright
 *
 *  This software is provided 'as-is', without any express or implied
 *  warranty. In no event will the authors be held liable for any damages
 *  arising from the use of this software.
 *
 *  Permission is granted to anyone to use this software for any purpose,
 *  including commercial applications, and to alter it and redistribute it
 *  freely, in both source and binary form, subject to the following
 *  restrictions:
 *
 *  o  The origin of this software must not be misrepresented; you must not
 *     claim that you wrote the original software. If you use this software
 *     in a product, an acknowledgment in the product documentation would be
 *     appreciated but is not required.
 *  o  Altered source versions must be plainly marked as such, and must not
 *     be misrepresented as being the original software.
 *  o  This notice may not be removed or altered from any source
 *     distribution.
 */

module typeinfo.ti_C;

// Object

class TypeInfo_C : TypeInfo
{
    hash_t getHash(void *p)
    {
        Object o = *cast(Object*)p;
        return o ? o.toHash() : 0;
    }

    int equals(void *p1, void *p2)
    {
        Object o1 = *cast(Object*)p1;
        Object o2 = *cast(Object*)p2;

        return o1 == o2;
    }

    int compare(void *p1, void *p2)
    {
        Object o1 = *cast(Object*)p1;
        Object o2 = *cast(Object*)p2;
        int c = 0;

        // Regard null references as always being "less than"
        if (!(o1 is o2))
        {
            if (o1)
            {   if (!o2)
                    c = 1;
                else
                    c = o1.opCmp(o2);
            }
            else
                c = -1;
        }
        return c;
    }

    size_t tsize()
    {
        return Object.sizeof;
    }

    uint flags()
    {
        return 1;
    }
}