/src/httpd/srclib/apr/buckets/apr_buckets_heap.c
Line | Count | Source (jump to first uncovered line) |
1 | | /* Licensed to the Apache Software Foundation (ASF) under one or more |
2 | | * contributor license agreements. See the NOTICE file distributed with |
3 | | * this work for additional information regarding copyright ownership. |
4 | | * The ASF licenses this file to You under the Apache License, Version 2.0 |
5 | | * (the "License"); you may not use this file except in compliance with |
6 | | * the License. You may obtain a copy of the License at |
7 | | * |
8 | | * http://www.apache.org/licenses/LICENSE-2.0 |
9 | | * |
10 | | * Unless required by applicable law or agreed to in writing, software |
11 | | * distributed under the License is distributed on an "AS IS" BASIS, |
12 | | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
13 | | * See the License for the specific language governing permissions and |
14 | | * limitations under the License. |
15 | | */ |
16 | | |
17 | | #include "apr_buckets.h" |
18 | | #define APR_WANT_MEMFUNC |
19 | | #include "apr_want.h" |
20 | | |
21 | | static apr_status_t heap_bucket_read(apr_bucket *b, const char **str, |
22 | | apr_size_t *len, apr_read_type_e block) |
23 | 12.1k | { |
24 | 12.1k | apr_bucket_heap *h = b->data; |
25 | | |
26 | 12.1k | *str = h->base + b->start; |
27 | 12.1k | *len = b->length; |
28 | 12.1k | return APR_SUCCESS; |
29 | 12.1k | } |
30 | | |
31 | | static void heap_bucket_destroy(void *data) |
32 | 10.2k | { |
33 | 10.2k | apr_bucket_heap *h = data; |
34 | | |
35 | 10.2k | if (apr_bucket_shared_destroy(h)) { |
36 | 1.06k | (*h->free_func)(h->base); |
37 | 1.06k | apr_bucket_free(h); |
38 | 1.06k | } |
39 | 10.2k | } |
40 | | |
41 | | /* Warning: if you change this function, be sure to |
42 | | * change apr_bucket_pool_make() too! */ |
43 | | APR_DECLARE(apr_bucket *) apr_bucket_heap_make(apr_bucket *b, const char *buf, |
44 | | apr_size_t length, |
45 | | void (*free_func)(void *data)) |
46 | 1.06k | { |
47 | 1.06k | apr_bucket_heap *h; |
48 | | |
49 | 1.06k | h = apr_bucket_alloc(sizeof(*h), b->list); |
50 | | |
51 | 1.06k | if (!free_func) { |
52 | 0 | h->alloc_len = length; |
53 | 0 | h->base = apr_bucket_alloc(h->alloc_len, b->list); |
54 | 0 | if (h->base == NULL) { |
55 | 0 | apr_bucket_free(h); |
56 | 0 | return NULL; |
57 | 0 | } |
58 | 0 | h->free_func = apr_bucket_free; |
59 | 0 | memcpy(h->base, buf, length); |
60 | 0 | } |
61 | 1.06k | else { |
62 | | /* XXX: we lose the const qualifier here which indicates |
63 | | * there's something screwy with the API... |
64 | | */ |
65 | 1.06k | h->base = (char *) buf; |
66 | 1.06k | h->alloc_len = length; |
67 | 1.06k | h->free_func = free_func; |
68 | 1.06k | } |
69 | | |
70 | 1.06k | b = apr_bucket_shared_make(b, h, 0, length); |
71 | 1.06k | b->type = &apr_bucket_type_heap; |
72 | | |
73 | 1.06k | return b; |
74 | 1.06k | } |
75 | | |
76 | | APR_DECLARE(apr_bucket *) apr_bucket_heap_create(const char *buf, |
77 | | apr_size_t length, |
78 | | void (*free_func)(void *data), |
79 | | apr_bucket_alloc_t *list) |
80 | 1.06k | { |
81 | 1.06k | apr_bucket *b = apr_bucket_alloc(sizeof(*b), list); |
82 | | |
83 | 1.06k | APR_BUCKET_INIT(b); |
84 | 1.06k | b->free = apr_bucket_free; |
85 | 1.06k | b->list = list; |
86 | 1.06k | return apr_bucket_heap_make(b, buf, length, free_func); |
87 | 1.06k | } |
88 | | |
89 | | APR_DECLARE_DATA const apr_bucket_type_t apr_bucket_type_heap = { |
90 | | "HEAP", 5, APR_BUCKET_DATA, |
91 | | heap_bucket_destroy, |
92 | | heap_bucket_read, |
93 | | apr_bucket_setaside_noop, |
94 | | apr_bucket_shared_split, |
95 | | apr_bucket_shared_copy |
96 | | }; |