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