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.h"
33 
34 /* Macros, types and constants for internal use */
35 
36 /* "less" function, return nonzero if |lhs| is less than |rhs|. */
37 typedef int (*nghttp2_less)(const void *lhs, const void *rhs);
38 
39 /* Internal error code. They must be in the range [-499, -100],
40    inclusive. */
41 typedef 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