/*
 * Copyright 2018-2019, Haiku, Inc. All rights reserved.
 * Distributed under the terms of the MIT License.
 */

#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/kobj.h>
#include <sys/lock.h>
#include <sys/mutex.h>


static kobj_method_t kobj_default_method = {
        "kobj_default_method", 0, (kobjop_t)kobj_error_method
};


void
kobj_init(kobj_t obj, kobj_class_t cls)
{
        obj->ops.cls = cls;
}


kobj_method_t*
kobj_lookup_method(kobj_class_t class, kobj_method_t** cep,
        kobjop_desc_t desc)
{
        int32 i, id;
        kobj_method_t* ret = NULL;

        id = desc->id;
        if (id == 0)
                id = desc->deflt.id;

        for (i = 0; class->methods[i].name != NULL; i++) {
                kobj_method_t* mth = &class->methods[i];
                if (mth->id != id)
                        continue;

                ret = mth;
                break;
        }
        if (ret == NULL || ret->method == NULL)
                ret = &desc->deflt;
        if (ret == NULL || ret->method == NULL)
                ret = &kobj_default_method;

        if (cep != NULL)
                *cep = ret;
        return ret;
}


int
kobj_error_method(void)
{
        return ENXIO;
}