1 #ifndef CURLINC_HEADER_H 2 #define CURLINC_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 27 #ifdef __cplusplus 28 extern "C" { 29 #endif 30 31 struct curl_header { 32 char *name; /* this might not use the same case */ 33 char *value; 34 size_t amount; /* number of headers using this name */ 35 size_t index; /* ... of this instance, 0 or higher */ 36 unsigned int origin; /* see bits below */ 37 void *anchor; /* handle privately used by libcurl */ 38 }; 39 40 /* 'origin' bits */ 41 #define CURLH_HEADER (1<<0) /* plain server header */ 42 #define CURLH_TRAILER (1<<1) /* trailers */ 43 #define CURLH_CONNECT (1<<2) /* CONNECT headers */ 44 #define CURLH_1XX (1<<3) /* 1xx headers */ 45 #define CURLH_PSEUDO (1<<4) /* pseudo headers */ 46 47 typedef enum { 48 CURLHE_OK, 49 CURLHE_BADINDEX, /* header exists but not with this index */ 50 CURLHE_MISSING, /* no such header exists */ 51 CURLHE_NOHEADERS, /* no headers at all exist (yet) */ 52 CURLHE_NOREQUEST, /* no request with this number was used */ 53 CURLHE_OUT_OF_MEMORY, /* out of memory while processing */ 54 CURLHE_BAD_ARGUMENT, /* a function argument was not okay */ 55 CURLHE_NOT_BUILT_IN /* if API was disabled in the build */ 56 } CURLHcode; 57 58 CURL_EXTERN CURLHcode curl_easy_header(CURL *easy, 59 const char *name, 60 size_t index, 61 unsigned int origin, 62 int request, 63 struct curl_header **hout); 64 65 CURL_EXTERN struct curl_header *curl_easy_nextheader(CURL *easy, 66 unsigned int origin, 67 int request, 68 struct curl_header *prev); 69 70 #ifdef __cplusplus 71 } /* end of extern "C" */ 72 #endif 73 74 #endif /* CURLINC_HEADER_H */ 75