xref: /curl/lib/headers.h (revision ba235ab2)
1 #ifndef HEADER_CURL_HEADER_H
2 #define HEADER_CURL_HEADER_H
3 /***************************************************************************
4  *                                  _   _ ____  _
5  *  Project                     ___| | | |  _ \| |
6  *                             / __| | | | |_) | |
7  *                            | (__| |_| |  _ <| |___
8  *                             \___|\___/|_| \_\_____|
9  *
10  * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
11  *
12  * This software is licensed as described in the file COPYING, which
13  * you should have received as part of this distribution. The terms
14  * are also available at https://curl.se/docs/copyright.html.
15  *
16  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
17  * copies of the Software, and permit persons to whom the Software is
18  * furnished to do so, under the terms of the COPYING file.
19  *
20  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
21  * KIND, either express or implied.
22  *
23  * SPDX-License-Identifier: curl
24  *
25  ***************************************************************************/
26 #include "curl_setup.h"
27 
28 #if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_HEADERS_API)
29 
30 struct Curl_header_store {
31   struct Curl_llist_node node;
32   char *name; /* points into 'buffer' */
33   char *value; /* points into 'buffer */
34   int request; /* 0 is the first request, then 1.. 2.. */
35   unsigned char type; /* CURLH_* defines */
36   char buffer[1]; /* this is the raw header blob */
37 };
38 
39 /*
40  * Initialize header collecting for a transfer.
41  * Will add a client writer that catches CLIENTWRITE_HEADER writes.
42  */
43 CURLcode Curl_headers_init(struct Curl_easy *data);
44 
45 /*
46  * Curl_headers_push() gets passed a full header to store.
47  */
48 CURLcode Curl_headers_push(struct Curl_easy *data, const char *header,
49                            unsigned char type);
50 
51 /*
52  * Curl_headers_cleanup(). Free all stored headers and associated memory.
53  */
54 CURLcode Curl_headers_cleanup(struct Curl_easy *data);
55 
56 #else
57 #define Curl_headers_init(x) CURLE_OK
58 #define Curl_headers_push(x,y,z) CURLE_OK
59 #define Curl_headers_cleanup(x) Curl_nop_stmt
60 #endif
61 
62 #endif /* HEADER_CURL_HEADER_H */
63