1/*
2 * nghttp2 - HTTP/2 C Library
3 *
4 * Copyright (c) 2012 Tatsuhiro Tsujikawa
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining
7 * a copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sublicense, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be
15 * included in all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 */
25#ifndef NGHTTP2_INT_H
26#define NGHTTP2_INT_H
27
28#ifdef HAVE_CONFIG_H
29#  include <config.h>
30#endif /* HAVE_CONFIG_H */
31
32#include <nghttp2/nghttp2.h>
33
34/* Macros, types and constants for internal use */
35
36/* "less" function, return nonzero if |lhs| is less than |rhs|. */
37typedef int (*nghttp2_less)(const void *lhs, const void *rhs);
38
39/* Internal error code. They must be in the range [-499, -100],
40   inclusive. */
41typedef enum {
42  NGHTTP2_ERR_CREDENTIAL_PENDING = -101,
43  NGHTTP2_ERR_IGN_HEADER_BLOCK = -103,
44  NGHTTP2_ERR_IGN_PAYLOAD = -104,
45  /*
46   * Invalid HTTP header field was received but it can be treated as
47   * if it was not received because of compatibility reasons.
48   */
49  NGHTTP2_ERR_IGN_HTTP_HEADER = -105,
50  /*
51   * Invalid HTTP header field was received, and it is ignored.
52   * Unlike NGHTTP2_ERR_IGN_HTTP_HEADER, this does not invoke
53   * nghttp2_on_invalid_header_callback.
54   */
55  NGHTTP2_ERR_REMOVE_HTTP_HEADER = -106
56} nghttp2_internal_error;
57
58#endif /* NGHTTP2_INT_H */
59