1 /***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
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 * HTTP PUT using CURLOPT_POSTFIELDS
26 * </DESC>
27 */
28 #include <stdio.h>
29 #include <fcntl.h>
30 #include <sys/stat.h>
31 #include <curl/curl.h>
32
33 static const char olivertwist[]=
34 "Among other public buildings in a certain town, which for many reasons "
35 "it will be prudent to refrain from mentioning, and to which I will assign "
36 "no fictitious name, there is one anciently common to most towns, great or "
37 "small: to wit, a workhouse; and in this workhouse was born; on a day and "
38 "date which I need not trouble myself to repeat, inasmuch as it can be of "
39 "no possible consequence to the reader, in this stage of the business at "
40 "all events; the item of mortality whose name is prefixed";
41
42 /* ... to the head of this chapter. String cut off to stick within the C90
43 509 byte limit. */
44
45 /*
46 * This example shows an HTTP PUT operation that sends a fixed buffer with
47 * CURLOPT_POSTFIELDS to the URL given as an argument.
48 */
49
main(int argc,char ** argv)50 int main(int argc, char **argv)
51 {
52 CURL *curl;
53 CURLcode res;
54 char *url;
55
56 if(argc < 2)
57 return 1;
58
59 url = argv[1];
60
61 /* In Windows, this inits the Winsock stuff */
62 curl_global_init(CURL_GLOBAL_ALL);
63
64 /* get a curl handle */
65 curl = curl_easy_init();
66 if(curl) {
67 struct curl_slist *headers = NULL;
68
69 /* default type with postfields is application/x-www-form-urlencoded,
70 change it if you want */
71 headers = curl_slist_append(headers, "Content-Type: literature/classic");
72 curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
73
74 /* pass on content in request body. When CURLOPT_POSTFIELDSIZE is not used,
75 curl does strlen to get the size. */
76 curl_easy_setopt(curl, CURLOPT_POSTFIELDS, olivertwist);
77
78 /* override the POST implied by CURLOPT_POSTFIELDS
79 *
80 * Warning: CURLOPT_CUSTOMREQUEST is problematic, especially if you want
81 * to follow redirects. Be aware.
82 */
83 curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "PUT");
84
85 /* specify target URL, and note that this URL should include a file
86 name, not only a directory */
87 curl_easy_setopt(curl, CURLOPT_URL, url);
88
89 /* Now run off and do what you have been told! */
90 res = curl_easy_perform(curl);
91 /* Check for errors */
92 if(res != CURLE_OK)
93 fprintf(stderr, "curl_easy_perform() failed: %s\n",
94 curl_easy_strerror(res));
95
96 /* always cleanup */
97 curl_easy_cleanup(curl);
98
99 /* free headers */
100 curl_slist_free_all(headers);
101 }
102
103 curl_global_cleanup();
104 return 0;
105 }
106
