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ad9bc5976d
Add licensing and copyright information for all files in this repository. This either happens in the file itself as a comment header or in the file `.reuse/dep5`. This commit also adds a Github workflow to check pull requests and adapts copyright.pl to the changes. Closes #8869
83 lines
3.0 KiB
Groff
83 lines
3.0 KiB
Groff
.\" **************************************************************************
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.\" * _ _ ____ _
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.\" * Project ___| | | | _ \| |
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.\" * / __| | | | |_) | |
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.\" * | (__| |_| | _ <| |___
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.\" * \___|\___/|_| \_\_____|
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.\" *
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.\" * Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
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.\" *
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.\" * This software is licensed as described in the file COPYING, which
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.\" * you should have received as part of this distribution. The terms
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.\" * are also available at https://curl.se/docs/copyright.html.
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.\" *
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.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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.\" * copies of the Software, and permit persons to whom the Software is
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.\" * furnished to do so, under the terms of the COPYING file.
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.\" *
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.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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.\" * KIND, either express or implied.
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.\" *
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.\" * SPDX-License-Identifier: curl
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.\" *
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.\" **************************************************************************
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.\"
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.TH CURLOPT_UPLOAD 3 "17 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
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.SH NAME
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CURLOPT_UPLOAD \- data upload
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.SH SYNOPSIS
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.nf
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_UPLOAD, long upload);
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.fi
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.SH DESCRIPTION
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The long parameter \fIupload\fP set to 1 tells the library to prepare for and
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perform an upload. The \fICURLOPT_READDATA(3)\fP and
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\fICURLOPT_INFILESIZE(3)\fP or \fICURLOPT_INFILESIZE_LARGE(3)\fP options are
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also interesting for uploads. If the protocol is HTTP, uploading means using
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the PUT request unless you tell libcurl otherwise.
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Using PUT with HTTP 1.1 implies the use of a "Expect: 100-continue" header.
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You can disable this header with \fICURLOPT_HTTPHEADER(3)\fP as usual.
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If you use PUT to an HTTP 1.1 server, you can upload data without knowing the
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size before starting the transfer if you use chunked encoding. You enable this
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by adding a header like "Transfer-Encoding: chunked" with
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\fICURLOPT_HTTPHEADER(3)\fP. With HTTP 1.0 or without chunked transfer, you
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must specify the size.
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.SH DEFAULT
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0, default is download
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.SH PROTOCOLS
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Most
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.SH EXAMPLE
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.nf
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CURL *curl = curl_easy_init();
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if(curl) {
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/* we want to use our own read function */
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curl_easy_setopt(curl, CURLOPT_READFUNCTION, read_callback);
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/* enable uploading */
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curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);
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/* specify target */
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curl_easy_setopt(curl, CURLOPT_URL, "ftp://example.com/dir/to/newfile");
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/* now specify which pointer to pass to our callback */
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curl_easy_setopt(curl, CURLOPT_READDATA, hd_src);
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/* Set the size of the file to upload */
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curl_easy_setopt(curl, CURLOPT_INFILESIZE_LARGE, (curl_off_t)fsize);
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/* Now run off and do what you have been told! */
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curl_easy_perform(curl);
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}
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.fi
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.SH AVAILABILITY
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Always
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.SH RETURN VALUE
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Returns CURLE_OK
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.SH "SEE ALSO"
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.BR CURLOPT_PUT "(3), " CURLOPT_READFUNCTION "(3), "
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.BR CURLOPT_INFILESIZE_LARGE "(3), "
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