1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
/*
* nghttp3
*
* Copyright (c) 2019 nghttp3 contributors
* Copyright (c) 2017 ngtcp2 contributors
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef NGHTTP3_BUF_H
#define NGHTTP3_BUF_H
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif /* defined(HAVE_CONFIG_H) */
#include <nghttp3/nghttp3.h>
#include "nghttp3_mem.h"
void nghttp3_buf_wrap_init(nghttp3_buf *buf, uint8_t *src, size_t len);
/*
* nghttp3_buf_cap returns the capacity of the buffer. In other
* words, it returns buf->end - buf->begin.
*/
size_t nghttp3_buf_cap(const nghttp3_buf *buf);
int nghttp3_buf_reserve(nghttp3_buf *buf, size_t size, const nghttp3_mem *mem);
/*
* nghttp3_buf_swap swaps |a| and |b|.
*/
void nghttp3_buf_swap(nghttp3_buf *a, nghttp3_buf *b);
typedef enum nghttp3_buf_type {
/* NGHTTP3_BUF_TYPE_PRIVATE indicates that memory is allocated for
this buffer only and should be freed after its use. */
NGHTTP3_BUF_TYPE_PRIVATE,
/* NGHTTP3_BUF_TYPE_SHARED indicates that buffer points to shared
memory. */
NGHTTP3_BUF_TYPE_SHARED,
/* NGHTTP3_BUF_TYPE_ALIEN indicates that the buffer points to a
memory which comes from outside of the library. */
NGHTTP3_BUF_TYPE_ALIEN,
} nghttp3_buf_type;
typedef struct nghttp3_typed_buf {
nghttp3_buf buf;
nghttp3_buf_type type;
} nghttp3_typed_buf;
void nghttp3_typed_buf_init(nghttp3_typed_buf *tbuf, const nghttp3_buf *buf,
nghttp3_buf_type type);
void nghttp3_typed_buf_free(nghttp3_typed_buf *tbuf);
#endif /* !defined(NGHTTP3_BUF_H) */
|
