1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
2 "http://www.w3.org/TR/html4/loose.dtd">
4 <title>CURLOPT_UPLOAD man page</title>
5 <meta name="generator" content="roffit">
6 <STYLE type="text/css">
12 P.level0, pre.level0 {
16 P.level1, pre.level1 {
20 P.level2, pre.level2 {
37 background-color: #e0e0e0;
43 font-family: monospace;
53 <p class="level0"><a name="NAME"></a><h2 class="nroffsh">NAME</h2>
54 <p class="level0">CURLOPT_UPLOAD - enable data upload <a name="SYNOPSIS"></a><h2 class="nroffsh">SYNOPSIS</h2>
55 <p class="level0">#include <curl/curl.h>
56 <p class="level0">CURLcode curl_easy_setopt(CURL *handle, CURLOPT_UPLOAD, long upload); <a name="DESCRIPTION"></a><h2 class="nroffsh">DESCRIPTION</h2>
57 <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.
58 <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.
59 <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>
60 <p class="level0">0, default is download <a name="PROTOCOLS"></a><h2 class="nroffsh">PROTOCOLS</h2>
61 <p class="level0">Most <a name="EXAMPLE"></a><h2 class="nroffsh">EXAMPLE</h2>
62 <p class="level0"><pre class="level0">
63 CURL *curl = curl_easy_init();
65 /* we want to use our own read function */
66 curl_easy_setopt(curl, CURLOPT_READFUNCTION, read_callback);
68 /* enable uploading */
69 curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);
71 /* specify target */
72 curl_easy_setopt(curl, CURLOPT_URL, "<a href="ftp://example.com/dir/to/newfile">ftp://example.com/dir/to/newfile</a>");
74 /* now specify which pointer to pass to our callback */
75 curl_easy_setopt(curl, CURLOPT_READDATA, hd_src);
77 /* Set the size of the file to upload */
78 curl_easy_setopt(curl, CURLOPT_INFILESIZE_LARGE, (curl_off_t)fsize);
80 /* Now run off and do what you've been told! */
81 curl_easy_perform(curl);
85 <p class="level0"><a name="AVAILABILITY"></a><h2 class="nroffsh">AVAILABILITY</h2>
86 <p class="level0">Always <a name="RETURN"></a><h2 class="nroffsh">RETURN VALUE</h2>
87 <p class="level0">Returns CURLE_OK <a name="SEE"></a><h2 class="nroffsh">SEE ALSO</h2>
88 <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">
89 This HTML page was made with <a href="http://daniel.haxx.se/projects/roffit/">roffit</a>.