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/* Copyright 2000-2005 The Apache Software Foundation or its licensors, as
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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#include "apr_buckets.h"
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APU_DECLARE_NONSTD(apr_status_t) apr_bucket_simple_copy(apr_bucket *a,
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*b = apr_bucket_alloc(sizeof(**b), a->list); /* XXX: check for failure? */
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APU_DECLARE_NONSTD(apr_status_t) apr_bucket_simple_split(apr_bucket *a,
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if (point > a->length) {
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apr_bucket_simple_copy(a, &b);
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APR_BUCKET_INSERT_AFTER(a, b);
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static apr_status_t simple_bucket_read(apr_bucket *b, const char **str,
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apr_size_t *len, apr_read_type_e block)
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*str = (char *)b->data + b->start;
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APU_DECLARE(apr_bucket *) apr_bucket_immortal_make(apr_bucket *b,
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b->data = (char *)buf;
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b->type = &apr_bucket_type_immortal;
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APU_DECLARE(apr_bucket *) apr_bucket_immortal_create(const char *buf,
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apr_bucket_alloc_t *list)
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apr_bucket *b = apr_bucket_alloc(sizeof(*b), list);
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b->free = apr_bucket_free;
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return apr_bucket_immortal_make(b, buf, length);
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* XXX: This function could do with some tweaking to reduce memory
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* usage in various cases, e.g. share buffers in the heap between all
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* the buckets that are set aside, or even spool set-aside data to
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* disk if it gets too voluminous (but if it does then that's probably
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* a bug elsewhere). There should probably be a apr_brigade_setaside()
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* function that co-ordinates the action of all the bucket setaside
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* functions to improve memory efficiency.
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static apr_status_t transient_bucket_setaside(apr_bucket *b, apr_pool_t *pool)
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b = apr_bucket_heap_make(b, (char *)b->data + b->start, b->length, NULL);
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APU_DECLARE(apr_bucket *) apr_bucket_transient_make(apr_bucket *b,
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b->data = (char *)buf;
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b->type = &apr_bucket_type_transient;
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APU_DECLARE(apr_bucket *) apr_bucket_transient_create(const char *buf,
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apr_bucket_alloc_t *list)
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apr_bucket *b = apr_bucket_alloc(sizeof(*b), list);
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b->free = apr_bucket_free;
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return apr_bucket_transient_make(b, buf, length);
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const apr_bucket_type_t apr_bucket_type_immortal = {
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"IMMORTAL", 5, APR_BUCKET_DATA,
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apr_bucket_destroy_noop,
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apr_bucket_setaside_noop,
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apr_bucket_simple_split,
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apr_bucket_simple_copy
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APU_DECLARE_DATA const apr_bucket_type_t apr_bucket_type_transient = {
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"TRANSIENT", 5, APR_BUCKET_DATA,
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apr_bucket_destroy_noop,
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transient_bucket_setaside,
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apr_bucket_simple_split,
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apr_bucket_simple_copy