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

1.1       misho       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: }