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curl.h: add CURL_HTTP_VERSION_3ONLY

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As the previous CURL_HTTP_VERSION_3 option gets a slightly altered meaning.

Closes #10264
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Daniel Stenberg 2023-01-09 14:59:27 +01:00
parent 8956cd4f9a
commit a56d2b0b94
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3 changed files with 14 additions and 9 deletions
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13
docs/libcurl/opts/CURLOPT_HTTP_VERSION.3
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@ -66,13 +66,12 @@ prior knowledge that the server supports HTTP/2 straight away. HTTPS requests
will still do HTTP/2 the standard way with negotiated protocol version in the
TLS handshake. (Added in 7.49.0)
.IP CURL_HTTP_VERSION_3
(Added in 7.66.0) Setting this value will make libcurl attempt to use HTTP/3
directly to server given in the URL. Note that this cannot gracefully
downgrade to earlier HTTP version if the server does not support HTTP/3.
For more reliably upgrading to HTTP/3, set the preferred version to something
lower and let the server announce its HTTP/3 support via Alt-Svc:. See
\fICURLOPT_ALTSVC(3)\fP.
(Added in 7.66.0) This option makes libcurl attempt to use HTTP/3 to the host
given in the URL, with fallback to earlier HTTP versions if needed.
.IP CURL_HTTP_VERSION_3ONLY
(Added in 7.88.0) Setting this value will make libcurl attempt to use HTTP/3
directly to server given in the URL but will not downgrade to earlier HTTP
version if the server does not support HTTP/3.
.SH DEFAULT
Since curl 7.62.0: CURL_HTTP_VERSION_2TLS

1
docs/libcurl/symbols-in-versions
View file

@ -53,6 +53,7 @@ CURL_HTTP_VERSION_2_0 7.33.0
CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE 7.49.0
CURL_HTTP_VERSION_2TLS 7.47.0
CURL_HTTP_VERSION_3 7.66.0
CURL_HTTP_VERSION_3ONLY 7.88.0
CURL_HTTP_VERSION_NONE 7.9.1
CURL_HTTPPOST_BUFFER 7.46.0
CURL_HTTPPOST_CALLBACK 7.46.0