Annotation of embedaddon/curl/docs/examples/httpcustomheader.c, revision 1.1
1.1 ! misho 1: /***************************************************************************
! 2: * _ _ ____ _
! 3: * Project ___| | | | _ \| |
! 4: * / __| | | | |_) | |
! 5: * | (__| |_| | _ <| |___
! 6: * \___|\___/|_| \_\_____|
! 7: *
! 8: * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
! 9: *
! 10: * This software is licensed as described in the file COPYING, which
! 11: * you should have received as part of this distribution. The terms
! 12: * are also available at https://curl.haxx.se/docs/copyright.html.
! 13: *
! 14: * You may opt to use, copy, modify, merge, publish, distribute and/or sell
! 15: * copies of the Software, and permit persons to whom the Software is
! 16: * furnished to do so, under the terms of the COPYING file.
! 17: *
! 18: * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
! 19: * KIND, either express or implied.
! 20: *
! 21: ***************************************************************************/
! 22: /* <DESC>
! 23: * HTTP request with custom modified, removed and added headers
! 24: * </DESC>
! 25: */
! 26: #include <stdio.h>
! 27: #include <curl/curl.h>
! 28:
! 29: int main(void)
! 30: {
! 31: CURL *curl;
! 32: CURLcode res;
! 33:
! 34: curl = curl_easy_init();
! 35: if(curl) {
! 36: struct curl_slist *chunk = NULL;
! 37:
! 38: /* Remove a header curl would otherwise add by itself */
! 39: chunk = curl_slist_append(chunk, "Accept:");
! 40:
! 41: /* Add a custom header */
! 42: chunk = curl_slist_append(chunk, "Another: yes");
! 43:
! 44: /* Modify a header curl otherwise adds differently */
! 45: chunk = curl_slist_append(chunk, "Host: example.com");
! 46:
! 47: /* Add a header with "blank" contents to the right of the colon. Note that
! 48: we're then using a semicolon in the string we pass to curl! */
! 49: chunk = curl_slist_append(chunk, "X-silly-header;");
! 50:
! 51: /* set our custom set of headers */
! 52: curl_easy_setopt(curl, CURLOPT_HTTPHEADER, chunk);
! 53:
! 54: curl_easy_setopt(curl, CURLOPT_URL, "localhost");
! 55: curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
! 56:
! 57: res = curl_easy_perform(curl);
! 58: /* Check for errors */
! 59: if(res != CURLE_OK)
! 60: fprintf(stderr, "curl_easy_perform() failed: %s\n",
! 61: curl_easy_strerror(res));
! 62:
! 63: /* always cleanup */
! 64: curl_easy_cleanup(curl);
! 65:
! 66: /* free the custom headers */
! 67: curl_slist_free_all(chunk);
! 68: }
! 69: return 0;
! 70: }
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