/*************************************************************************** * _ _ ____ _ * Project ___| | | | _ \| | * / __| | | | |_) | | * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * * Copyright (C) Daniel Stenberg, , 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. * * SPDX-License-Identifier: curl * ***************************************************************************/ /* * HTTP PUT using CURLOPT_POSTFIELDS * */ #include #include #include #include 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. String cut off to stick within the C90 509 byte limit. */ /* * This example shows an 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 inits 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; }