xref: /curl/docs/examples/simplepost.c (revision f540e43b)
1 /***************************************************************************
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6  *                             \___|\___/|_| \_\_____|
7  *
8  * Copyright (C) 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.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  * SPDX-License-Identifier: curl
22  *
23  ***************************************************************************/
24 /* <DESC>
25  * Very simple HTTP POST
26  * </DESC>
27  */
28 #include <stdio.h>
29 #include <string.h>
30 #include <curl/curl.h>
31 
main(void)32 int main(void)
33 {
34   CURL *curl;
35   CURLcode res;
36 
37   static const char *postthis = "moo mooo moo moo";
38 
39   curl = curl_easy_init();
40   if(curl) {
41     curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
42     curl_easy_setopt(curl, CURLOPT_POSTFIELDS, postthis);
43 
44     /* if we do not provide POSTFIELDSIZE, libcurl calls strlen() by itself */
45     curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, (long)strlen(postthis));
46 
47     /* Perform the request, res gets the return code */
48     res = curl_easy_perform(curl);
49     /* Check for errors */
50     if(res != CURLE_OK)
51       fprintf(stderr, "curl_easy_perform() failed: %s\n",
52               curl_easy_strerror(res));
53 
54     /* always cleanup */
55     curl_easy_cleanup(curl);
56   }
57   return 0;
58 }
59