1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" 2 "http://www.w3.org/TR/html4/loose.dtd"> 3<html><head> 4<title>CURLOPT_UPLOAD man page</title> 5<meta name="generator" content="roffit"> 6<STYLE type="text/css"> 7P.level0 { 8 padding-left: 2em; 9} 10 11P.level1 { 12 padding-left: 4em; 13} 14 15P.level2 { 16 padding-left: 6em; 17} 18 19span.emphasis { 20 font-style: italic; 21} 22 23span.bold { 24 font-weight: bold; 25} 26 27span.manpage { 28 font-weight: bold; 29} 30 31h2.nroffsh { 32 background-color: #e0e0e0; 33} 34 35span.nroffip { 36 font-weight: bold; 37 font-size: 120%; 38 font-family: monospace; 39} 40 41p.roffit { 42 text-align: center; 43 font-size: 80%; 44} 45</STYLE> 46</head><body> 47 48<p class="level0"><a name="NAME"></a><h2 class="nroffsh">NAME</h2> 49<p class="level0">CURLOPT_UPLOAD - enable data upload <a name="SYNOPSIS"></a><h2 class="nroffsh">SYNOPSIS</h2> 50<p class="level0">#include <curl/curl.h> 51<p class="level0">CURLcode curl_easy_setopt(CURL *handle, CURLOPT_UPLOAD, long upload); <a name="DESCRIPTION"></a><h2 class="nroffsh">DESCRIPTION</h2> 52<p class="level0">The long parameter <span Class="emphasis">upload</span> set to 1 tells the library to prepare for and perform an upload. The <a Class="emphasis" href="/CURLOPT_READDATA.html">CURLOPT_READDATA</a> and <a Class="emphasis" href="/CURLOPT_INFILESIZE.html">CURLOPT_INFILESIZE</a> or <a Class="emphasis" href="/CURLOPT_INFILESIZE_LARGE.html">CURLOPT_INFILESIZE_LARGE</a> options are also interesting for uploads. If the protocol is HTTP, uploading means using the PUT request unless you tell libcurl otherwise. 53<p class="level0">Using PUT with HTTP 1.1 implies the use of a "Expect: 100-continue" header. You can disable this header with <a Class="emphasis" href="/CURLOPT_HTTPHEADER.html">CURLOPT_HTTPHEADER</a> as usual. 54<p class="level0">If you use PUT to a HTTP 1.1 server, you can upload data without knowing the size before starting the transfer if you use chunked encoding. You enable this by adding a header like "Transfer-Encoding: chunked" with <a Class="emphasis" href="/CURLOPT_HTTPHEADER.html">CURLOPT_HTTPHEADER</a>. With HTTP 1.0 or without chunked transfer, you must specify the size. <a name="DEFAULT"></a><h2 class="nroffsh">DEFAULT</h2> 55<p class="level0">0, default is download <a name="PROTOCOLS"></a><h2 class="nroffsh">PROTOCOLS</h2> 56<p class="level0">Most <a name="EXAMPLE"></a><h2 class="nroffsh">EXAMPLE</h2> 57<p class="level0">TODO <a name="AVAILABILITY"></a><h2 class="nroffsh">AVAILABILITY</h2> 58<p class="level0">Always <a name="RETURN"></a><h2 class="nroffsh">RETURN VALUE</h2> 59<p class="level0">Returns CURLE_OK <a name="SEE"></a><h2 class="nroffsh">SEE ALSO</h2> 60<p class="level0"><a Class="manpage" href="/CURLOPT_PUT.html">CURLOPT_PUT</a> <a Class="manpage" href="/CURLOPT_READFUNCTION.html">CURLOPT_READFUNCTION</a> <span Class="manpage"> </span> <a Class="manpage" href="/CURLOPT_INFILESIZE_LARGE.html">CURLOPT_INFILESIZE_LARGE</a> <span Class="manpage"> </span> <p class="roffit"> 61 This HTML page was made with <a href="http://daniel.haxx.se/projects/roffit/">roffit</a>. 62</body></html> 63