curl/docs/examples/httpput-postfields.c

102 строки
3.4 KiB
C

/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2021, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
/* <DESC>
* HTTP PUT using CURLOPT_POSTFIELDS
* </DESC>
*/
#include <stdio.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <curl/curl.h>
static const char olivertwist[]=
"Among other public buildings in a certain town, which for many reasons "
"it will be prudent to refrain from mentioning, and to which I will assign "
"no fictitious name, there is one anciently common to most towns, great or "
"small: to wit, a workhouse; and in this workhouse was born; on a day and "
"date which I need not trouble myself to repeat, inasmuch as it can be of "
"no possible consequence to the reader, in this stage of the business at "
"all events; the item of mortality whose name is prefixed to the head of "
"this chapter.";
/*
* This example shows a HTTP PUT operation that sends a fixed buffer with
* CURLOPT_POSTFIELDS to the URL given as an argument.
*/
int main(int argc, char **argv)
{
CURL *curl;
CURLcode res;
char *url;
if(argc < 2)
return 1;
url = argv[1];
/* In windows, this will init the winsock stuff */
curl_global_init(CURL_GLOBAL_ALL);
/* get a curl handle */
curl = curl_easy_init();
if(curl) {
struct curl_slist *headers = NULL;
/* default type with postfields is application/x-www-form-urlencoded,
change it if you want */
headers = curl_slist_append(headers, "Content-Type: literature/classic");
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
/* pass on content in request body. When CURLOPT_POSTFIELDSIZE is not used,
curl does strlen to get the size. */
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, olivertwist);
/* override the POST implied by CURLOPT_POSTFIELDS
*
* Warning: CURLOPT_CUSTOMREQUEST is problematic, especially if you want
* to follow redirects. Be aware.
*/
curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "PUT");
/* specify target URL, and note that this URL should include a file
name, not only a directory */
curl_easy_setopt(curl, CURLOPT_URL, url);
/* Now run off and do what you have been told! */
res = curl_easy_perform(curl);
/* Check for errors */
if(res != CURLE_OK)
fprintf(stderr, "curl_easy_perform() failed: %s\n",
curl_easy_strerror(res));
/* always cleanup */
curl_easy_cleanup(curl);
/* free headers */
curl_slist_free_all(headers);
}
curl_global_cleanup();
return 0;
}