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    1: /***************************************************************************
    2:  *                                  _   _ ____  _
    3:  *  Project                     ___| | | |  _ \| |
    4:  *                             / __| | | | |_) | |
    5:  *                            | (__| |_| |  _ <| |___
    6:  *                             \___|\___/|_| \_\_____|
    7:  *
    8:  * Copyright (C) 1998 - 2018, 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:  * Basic URL API use.
   24:  * </DESC>
   25:  */
   26: #include <stdio.h>
   27: #include <curl/curl.h>
   28: 
   29: #if !CURL_AT_LEAST_VERSION(7, 62, 0)
   30: #error "this example requires curl 7.62.0 or later"
   31: #endif
   32: 
   33: int main(void)
   34: {
   35:   CURLU *h;
   36:   CURLUcode uc;
   37:   char *host;
   38:   char *path;
   39: 
   40:   h = curl_url(); /* get a handle to work with */
   41:   if(!h)
   42:     return 1;
   43: 
   44:   /* parse a full URL */
   45:   uc = curl_url_set(h, CURLUPART_URL, "http://example.com/path/index.html", 0);
   46:   if(uc)
   47:     goto fail;
   48: 
   49:   /* extract host name from the parsed URL */
   50:   uc = curl_url_get(h, CURLUPART_HOST, &host, 0);
   51:   if(!uc) {
   52:     printf("Host name: %s\n", host);
   53:     curl_free(host);
   54:   }
   55: 
   56:   /* extract the path from the parsed URL */
   57:   uc = curl_url_get(h, CURLUPART_PATH, &path, 0);
   58:   if(!uc) {
   59:     printf("Path: %s\n", path);
   60:     curl_free(path);
   61:   }
   62: 
   63:   /* redirect with a relative URL */
   64:   uc = curl_url_set(h, CURLUPART_URL, "../another/second.html", 0);
   65:   if(uc)
   66:     goto fail;
   67: 
   68:   /* extract the new, updated path */
   69:   uc = curl_url_get(h, CURLUPART_PATH, &path, 0);
   70:   if(!uc) {
   71:     printf("Path: %s\n", path);
   72:     curl_free(path);
   73:   }
   74: 
   75:   fail:
   76:   curl_url_cleanup(h); /* free url handle */
   77:   return 0;
   78: }