OpenGrok

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* Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel (at] haxx.se>, et al.
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* 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 http://curl.haxx.se/docs/copyright.html.
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* furnished to do so, under the terms of the COPYING file.
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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CURLOPT_POSTFIELDS - specify data to POST to server #include <curl/curl.h> CURLcode curl_easy_setopt(CURL *handle, CURLOPT_POSTFIELDS, char *postdata); Pass a char * as parameter, pointing to the full data to send in a HTTP POST operation. You must make sure that the data is formatted the way you want the server to receive it. libcurl will not convert or encode it for you in any way. For example, the web server may assume that this data is url-encoded. The data pointed to is NOT copied by the library: as a consequence, it must be preserved by the calling application until the associated transfer finishes. This behaviour can be changed (so libcurl does copy the data) by setting the CURLOPT_COPYPOSTFIELDS(3) option. This POST is a normal application/x-www-form-urlencoded kind (and libcurl will set that Content-Type by default when this option is used), which is commonly used by HTML forms. Change Content-Type with CURLOPT_HTTPHEADER(3). Using CURLOPT_POSTFIELDS(3) implies CURLOPT_POST(3). You can use curl_easy_escape(3) to url-encode your data, if necessary. It returns a pointer to an encoded string that can be passed as postdata. If you want to do a zero-byte POST, you need to set CURLOPT_POSTFIELDSIZE(3) explicitly to zero, as simply setting CURLOPT_POSTFIELDS(3) to NULL or "" just effectively disables the sending of the specified string. libcurl will instead assume that you'll send the POST data using the read callback! Using POST with HTTP 1.1 implies the use of a "Expect: 100-continue" header. You can disable this header with CURLOPT_HTTPHEADER(3) as usual. To make multipart/formdata posts (aka RFC2388-posts), check out the CURLOPT_HTTPPOST(3) option combined with curl_formadd(3). NULL HTTP

CURL *curl = curl_easy_init();
if(curl) {
 const char *data = "data to send";

 curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");

 /* size of the POST data */
 curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, 12L);

 /* pass in a pointer to the data - libcurl will not copy */
 curl_easy_setopt(curl, CURLOPT_POSTFIELDS, data);

 curl_easy_perform(curl);
}

Always Returns CURLE_OK CURLOPT_POSTFIELDSIZE "(3), " CURLOPT_READFUNCTION "(3), "