diff options
| -rw-r--r-- | docs/libcurl/opts/CURLOPT_HTTP_VERSION.3 | 13 | ||||
| -rw-r--r-- | docs/libcurl/symbols-in-versions | 1 | ||||
| -rw-r--r-- | include/curl/curl.h | 9 |
3 files changed, 14 insertions, 9 deletions
diff --git a/docs/libcurl/opts/CURLOPT_HTTP_VERSION.3 b/docs/libcurl/opts/CURLOPT_HTTP_VERSION.3 index 18d9ba75e..4a2bc2bbc 100644 --- a/docs/libcurl/opts/CURLOPT_HTTP_VERSION.3 +++ b/docs/libcurl/opts/CURLOPT_HTTP_VERSION.3 @@ -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 diff --git a/docs/libcurl/symbols-in-versions b/docs/libcurl/symbols-in-versions index 54605eed0..4081314e0 100644 --- a/docs/libcurl/symbols-in-versions +++ b/docs/libcurl/symbols-in-versions @@ -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 diff --git a/include/curl/curl.h b/include/curl/curl.h index c599b4d3f..8cc0b6ffe 100644 --- a/include/curl/curl.h +++ b/include/curl/curl.h @@ -2259,8 +2259,13 @@ enum { CURL_HTTP_VERSION_2TLS, /* use version 2 for HTTPS, version 1.1 for HTTP */ CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE, /* please use HTTP 2 without HTTP/1.1 Upgrade */ - CURL_HTTP_VERSION_3 = 30, /* Makes use of explicit HTTP/3 without fallback. - Use CURLOPT_ALTSVC to enable HTTP/3 upgrade */ + CURL_HTTP_VERSION_3 = 30, /* Use HTTP/3, fallback to HTTP/2 or HTTP/1 if + needed. For HTTPS only. For HTTP, this option + makes libcurl return error. */ + CURL_HTTP_VERSION_3ONLY = 31, /* Use HTTP/3 without fallback. For HTTPS + only. For HTTP, this makes libcurl + return error. */ + CURL_HTTP_VERSION_LAST /* *ILLEGAL* http version */ }; |