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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 06:30:05 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 06:30:05 +0000 |
commit | a1e354165254cd9e346751e6c2ddc554feeb0e6d (patch) | |
tree | 5fd273cc604fd00efd630eb387a6f79ce102f4e3 /buckets/apr_buckets_heap.c | |
parent | Initial commit. (diff) | |
download | apr-util-upstream.tar.xz apr-util-upstream.zip |
Adding upstream version 1.6.3.upstream/1.6.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | buckets/apr_buckets_heap.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/buckets/apr_buckets_heap.c b/buckets/apr_buckets_heap.c new file mode 100644 index 0000000..00f9808 --- /dev/null +++ b/buckets/apr_buckets_heap.c @@ -0,0 +1,96 @@ +/* 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. + */ + +#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 +}; |