/****************************************************************************
 * binfmt/binfmt_register.c
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.  The
 * ASF licenses this file to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the
 * License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations
 * under the License.
 *
 ****************************************************************************/

/****************************************************************************
 * Included Files
 ****************************************************************************/

#include <nuttx/config.h>

#include <string.h>
#include <sched.h>
#include <debug.h>
#include <errno.h>

#include <nuttx/binfmt/binfmt.h>

#include "binfmt.h"

#ifndef CONFIG_BINFMT_DISABLE

/****************************************************************************
 * Public Functions
 ****************************************************************************/

/****************************************************************************
 * Name: register_binfmt
 *
 * Description:
 *   Register a loader for a binary format
 *
 * Returned Value:
 *   This is a NuttX internal function so it follows the convention that
 *   0 (OK) is returned on success and a negated errno is returned on
 *   failure.
 *
 ****************************************************************************/

int register_binfmt(FAR struct binfmt_s *binfmt)
{
  if (binfmt)
    {
      /* Add the new binary format handler to the head of the list of
       * handlers
       */

      sched_lock();
      binfmt->next = g_binfmts;
      g_binfmts    = binfmt;
      sched_unlock();
      return OK;
    }

  return -EINVAL;
}

#endif /* CONFIG_BINFMT_DISABLE */