forked from Mirrors/freeswitch
97 lines
2.9 KiB
C
97 lines
2.9 KiB
C
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/* Copyright 2000-2005 The Apache Software Foundation or its licensors, as
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* applicable.
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*
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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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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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*/
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#include "apr_buckets.h"
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#define APR_WANT_MEMFUNC
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#include "apr_want.h"
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static apr_status_t heap_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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{
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apr_bucket_heap *h = b->data;
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*str = h->base + b->start;
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*len = b->length;
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return APR_SUCCESS;
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}
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static void heap_bucket_destroy(void *data)
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{
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apr_bucket_heap *h = data;
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if (apr_bucket_shared_destroy(h)) {
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(*h->free_func)(h->base);
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apr_bucket_free(h);
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}
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}
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/* Warning: if you change this function, be sure to
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* change apr_bucket_pool_make() too! */
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APU_DECLARE(apr_bucket *) apr_bucket_heap_make(apr_bucket *b, const char *buf,
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apr_size_t length,
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void (*free_func)(void *data))
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{
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apr_bucket_heap *h;
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h = apr_bucket_alloc(sizeof(*h), b->list);
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if (!free_func) {
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h->alloc_len = length;
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h->base = apr_bucket_alloc(h->alloc_len, b->list);
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if (h->base == NULL) {
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apr_bucket_free(h);
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return NULL;
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}
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h->free_func = apr_bucket_free;
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memcpy(h->base, buf, length);
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}
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else {
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/* XXX: we lose the const qualifier here which indicates
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* there's something screwy with the API...
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*/
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h->base = (char *) buf;
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h->alloc_len = length;
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h->free_func = free_func;
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}
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b = apr_bucket_shared_make(b, h, 0, length);
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b->type = &apr_bucket_type_heap;
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return b;
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}
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APU_DECLARE(apr_bucket *) apr_bucket_heap_create(const char *buf,
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apr_size_t length,
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void (*free_func)(void *data),
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apr_bucket_alloc_t *list)
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{
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apr_bucket *b = apr_bucket_alloc(sizeof(*b), list);
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APR_BUCKET_INIT(b);
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b->free = apr_bucket_free;
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b->list = list;
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return apr_bucket_heap_make(b, buf, length, free_func);
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}
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APU_DECLARE_DATA const apr_bucket_type_t apr_bucket_type_heap = {
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"HEAP", 5, APR_BUCKET_DATA,
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heap_bucket_destroy,
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heap_bucket_read,
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apr_bucket_setaside_noop,
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apr_bucket_shared_split,
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apr_bucket_shared_copy
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};
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