/* ====================================================================
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2000-2003 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Apache" and "Apache Software Foundation" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact apache@apache.org.
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 * 5. Products derived from this software may not be called "Apache",
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 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

#include "http_protocol.h"
#include "apr_buckets.h"
#include "apr_strings.h"
#if APR_HAVE_STRINGS_H
#include <strings.h>
#endif

static apr_status_t error_bucket_read(apr_bucket *b, const char **str,
                                      apr_size_t *len, apr_read_type_e block)
{
    *str = NULL;
    *len = 0;
    return APR_SUCCESS;
}

static void error_bucket_destroy(void *data)
{
    ap_bucket_error *h = data;

    if (apr_bucket_shared_destroy(h)) {
        apr_bucket_free(h);
    }
}

AP_DECLARE(apr_bucket *) ap_bucket_error_make(apr_bucket *b, int error,
                                              const char *buf, apr_pool_t *p)
{
    ap_bucket_error *h;

    h = apr_bucket_alloc(sizeof(*h), b->list);
    h->status = error;
    h->data = (buf) ? apr_pstrdup(p, buf) : NULL;

    b = apr_bucket_shared_make(b, h, 0, 0);
    b->type = &ap_bucket_type_error;
    return b;
}

AP_DECLARE(apr_bucket *) ap_bucket_error_create(int error, const char *buf,
                                                apr_pool_t *p,
                                                apr_bucket_alloc_t *list)
{
    apr_bucket *b = apr_bucket_alloc(sizeof(*b), list);

    APR_BUCKET_INIT(b);
    b->free = apr_bucket_free;
    b->list = list;
    return ap_bucket_error_make(b, error, buf, p);
}

AP_DECLARE_DATA const apr_bucket_type_t ap_bucket_type_error = {
    "ERROR", 5, APR_BUCKET_METADATA,
    error_bucket_destroy,
    error_bucket_read,
    apr_bucket_setaside_notimpl,
    apr_bucket_split_notimpl,
    apr_bucket_shared_copy
};