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Annotation of embedaddon/curl/docs/examples/resolve.c, revision 1.1.1.1

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:  * Use CURLOPT_RESOLVE to feed custom IP addresses for given host name + port
                     24:  * number combinations.
                     25:  * </DESC>
                     26:  */
                     27: #include <stdio.h>
                     28: #include <curl/curl.h>
                     29: 
                     30: int main(void)
                     31: {
                     32:   CURL *curl;
                     33:   CURLcode res = CURLE_OK;
                     34: 
                     35:   /* Each single name resolve string should be written using the format
                     36:      HOST:PORT:ADDRESS where HOST is the name libcurl will try to resolve,
                     37:      PORT is the port number of the service where libcurl wants to connect to
                     38:      the HOST and ADDRESS is the numerical IP address
                     39:    */
                     40:   struct curl_slist *host = curl_slist_append(NULL,
                     41:                                               "example.com:443:127.0.0.1");
                     42: 
                     43:   curl = curl_easy_init();
                     44:   if(curl) {
                     45:     curl_easy_setopt(curl, CURLOPT_RESOLVE, host);
                     46:     curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
                     47:     res = curl_easy_perform(curl);
                     48: 
                     49:     /* always cleanup */
                     50:     curl_easy_cleanup(curl);
                     51:   }
                     52: 
                     53:   curl_slist_free_all(host);
                     54: 
                     55:   return (int)res;
                     56: }