| 1 | #ifndef CURLINC_HEADER_H
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| 2 | #define CURLINC_HEADER_H
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| 3 | /***************************************************************************
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| 4 | * _ _ ____ _
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| 5 | * Project ___| | | | _ \| |
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| 6 | * / __| | | | |_) | |
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| 7 | * | (__| |_| | _ <| |___
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| 8 | * \___|\___/|_| \_\_____|
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| 9 | *
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| 10 | * Copyright (C) Daniel Stenberg, <[email protected]>, et al.
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| 11 | *
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| 12 | * This software is licensed as described in the file COPYING, which
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| 13 | * you should have received as part of this distribution. The terms
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| 14 | * are also available at https://curl.se/docs/copyright.html.
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| 15 | *
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| 16 | * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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| 17 | * copies of the Software, and permit persons to whom the Software is
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| 18 | * furnished to do so, under the terms of the COPYING file.
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| 19 | *
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| 20 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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| 21 | * KIND, either express or implied.
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| 22 | *
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| 23 | * SPDX-License-Identifier: curl
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| 24 | *
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| 25 | ***************************************************************************/
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| 26 |
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| 27 | #ifdef __cplusplus
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| 28 | extern "C" {
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| 29 | #endif
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| 30 |
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| 31 | struct curl_header {
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| 32 | char *name; /* this might not use the same case */
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| 33 | char *value;
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| 34 | size_t amount; /* number of headers using this name */
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| 35 | size_t index; /* ... of this instance, 0 or higher */
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| 36 | unsigned int origin; /* see bits below */
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| 37 | void *anchor; /* handle privately used by libcurl */
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| 38 | };
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| 39 |
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| 40 | /* 'origin' bits */
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| 41 | #define CURLH_HEADER (1<<0) /* plain server header */
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| 42 | #define CURLH_TRAILER (1<<1) /* trailers */
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| 43 | #define CURLH_CONNECT (1<<2) /* CONNECT headers */
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| 44 | #define CURLH_1XX (1<<3) /* 1xx headers */
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| 45 | #define CURLH_PSEUDO (1<<4) /* pseudo headers */
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| 46 |
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| 47 | typedef enum {
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| 48 | CURLHE_OK,
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| 49 | CURLHE_BADINDEX, /* header exists but not with this index */
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| 50 | CURLHE_MISSING, /* no such header exists */
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| 51 | CURLHE_NOHEADERS, /* no headers at all exist (yet) */
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| 52 | CURLHE_NOREQUEST, /* no request with this number was used */
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| 53 | CURLHE_OUT_OF_MEMORY, /* out of memory while processing */
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| 54 | CURLHE_BAD_ARGUMENT, /* a function argument was not okay */
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| 55 | CURLHE_NOT_BUILT_IN /* if API was disabled in the build */
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| 56 | } CURLHcode;
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| 57 |
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| 58 | CURL_EXTERN CURLHcode curl_easy_header(CURL *easy,
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| 59 | const char *name,
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| 60 | size_t index,
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| 61 | unsigned int origin,
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| 62 | int request,
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| 63 | struct curl_header **hout);
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| 64 |
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| 65 | CURL_EXTERN struct curl_header *curl_easy_nextheader(CURL *easy,
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| 66 | unsigned int origin,
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| 67 | int request,
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| 68 | struct curl_header *prev);
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| 69 |
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| 70 | #ifdef __cplusplus
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| 71 | } /* end of extern "C" */
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| 72 | #endif
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| 73 |
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| 74 | #endif /* CURLINC_HEADER_H */
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