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1/*
2 * Copyright (c) 2009-2014 Kazuho Oku, Tokuhiro Matsuno, Daisuke Murase,
3 * Shigeo Mitsunari
4 *
5 * The software is licensed under either the MIT License (below) or the Perl
6 * license.
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a copy
9 * of this software and associated documentation files (the "Software"), to
10 * deal in the Software without restriction, including without limitation the
11 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
12 * sell copies of the Software, and to permit persons to whom the Software is
13 * furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
23 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
24 * IN THE SOFTWARE.
25 */
26
27#ifndef picohttpparser_h
28#define picohttpparser_h
29
30#include <sys/types.h>
31
32#ifdef _MSC_VER
33#define ssize_t intptr_t
34#endif
35
36/* $Id: 67fd3ee74103ada60258d8a16e868f483abcca87 $ */
37
38#ifdef __cplusplus
39extern "C" {
40#endif
41
42/* contains name and value of a header (name == NULL if is a continuing line
43 * of a multiline header */
44struct phr_header {
45 const char *name;
46 size_t name_len;
47 const char *value;
48 size_t value_len;
49};
50
51/* returns number of bytes consumed if successful, -2 if request is partial,
52 * -1 if failed */
53int phr_parse_request(const char *buf, size_t len, const char **method, size_t *method_len, const char **path, size_t *path_len,
54 int *minor_version, struct phr_header *headers, size_t *num_headers, size_t last_len);
55
56/* ditto */
57int phr_parse_response(const char *_buf, size_t len, int *minor_version, int *status, const char **msg, size_t *msg_len,
58 struct phr_header *headers, size_t *num_headers, size_t last_len);
59
60/* ditto */
61int phr_parse_headers(const char *buf, size_t len, struct phr_header *headers, size_t *num_headers, size_t last_len);
62
63/* should be zero-filled before start */
64struct phr_chunked_decoder {
65 size_t bytes_left_in_chunk; /* number of bytes left in current chunk */
66 char consume_trailer; /* if trailing headers should be consumed */
67 char _hex_count;
68 char _state;
69};
70
71/* the function rewrites the buffer given as (buf, bufsz) removing the chunked-
72 * encoding headers. When the function returns without an error, bufsz is
73 * updated to the length of the decoded data available. Applications should
74 * repeatedly call the function while it returns -2 (incomplete) every time
75 * supplying newly arrived data. If the end of the chunked-encoded data is
76 * found, the function returns a non-negative number indicating the number of
77 * octets left undecoded at the tail of the supplied buffer. Returns -1 on
78 * error.
79 */
80ssize_t phr_decode_chunked(struct phr_chunked_decoder *decoder, char *buf, size_t *bufsz);
81
82/* returns if the chunked decoder is in middle of chunked data */
83int phr_decode_chunked_is_in_data(struct phr_chunked_decoder *decoder);
84
85#ifdef __cplusplus
86}
87#endif
88
89#endif