/* 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.

 */

/* common .c

 * This file has any function that is truly common and platform

 * neutral.  Or at least that's the theory.

 *

 * The header files are a problem so there are a few #ifdef's to take

 * care of those.

 *

 */

#include "apr.h"

#include "apr_private.h"

#include "apr_mmap.h"

#include "apr_errno.h"

#if APR_HAS_MMAP || defined(BEOS)

APR_DECLARE(apr_status_t) apr_mmap_offset(void **addr, apr_mmap_t *mmap,

                                          apr_off_t offset)

{

    if (offset < 0 || (apr_size_t)offset > mmap->size)

        return APR_EINVAL;

    (*addr) = (char *) mmap->mm + offset;

    return APR_SUCCESS;

}

#endif