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https://github.com/moparisthebest/curl
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026840e35c
Even though it cannot fall-back to a lower HTTP version automatically. The safer way to upgrade remains via CURLOPT_ALTSVC. CURLOPT_H3 no longer has any bits that do anything and might be removed before we remove the experimental label. Updated the curl tool accordingly to use "--http3". Closes #4197
58 lines
2.1 KiB
Groff
58 lines
2.1 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 - 2019, 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.haxx.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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.\" **************************************************************************
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.\"
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.TH CURLOPT_H3 3 "27 Nov 2018" "libcurl 7.66.0" "curl_easy_setopt options"
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.SH NAME
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CURLOPT_H3 \- specify HTTP/3 protocol behavior
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.SH SYNOPSIS
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_H3, long bitmask);
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.SH EXPERIMENTAL
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Warning: this feature is early code and is marked as experimental. It can only
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be enabled by explicitly invoking configure with \fB--with-quiche\fP or
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\fB--with-ngtcp2\fP. You are advised to not ship this feature used in
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production before the experimental label is removed.
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.SH DESCRIPTION
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This function accepts a long \fIbitmask\fP with a set of flags set that
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controls the HTTP/3 behavior for this transfer.
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.SH DEFAULT
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0
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.SH PROTOCOLS
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HTTPS
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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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CURLcode ret;
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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
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curl_easy_setopt(curl, CURLOPT_H3, (long)0);
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ret = curl_easy_perform(curl);
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}
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.fi
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.SH AVAILABILITY
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Added in 7.66.0
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.SH RETURN VALUE
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Returns CURLE_OK if supported, an error otherwise.
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.SH "SEE ALSO"
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.BR CURLOPT_HTTP_VERSION "(3), "
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