CURLOPT_H3: removed

There's no use for this anymore and it was never in a release.

Closes #4206

8 files changed, 4 insertions, 82 deletions

diff --git a/docs/libcurl/curl_easy_setopt.3 b/docs/libcurl/curl_easy_setopt.3
index 2d052f0a4..486304b62 100644
--- a/docs/libcurl/curl_easy_setopt.3
+++ b/docs/libcurl/curl_easy_setopt.3
@@ -323,8 +323,6 @@ Enable and configure Alt-Svc: treatment. See \fICURLOPT_ALTSVC_CTRL(3)\fP
 Do an HTTP GET request. See \fICURLOPT_HTTPGET(3)\fP
 .IP CURLOPT_REQUEST_TARGET
 Set the request target. \fICURLOPT_REQUEST_TARGET(3)\fP
-.IP CURLOPT_H3
-Specify HTTP/3 behavior. \fICURLOPT_H3(3)\fP
 .IP CURLOPT_HTTP_VERSION
 HTTP version to use. \fICURLOPT_HTTP_VERSION(3)\fP
 .IP CURLOPT_HTTP09_ALLOWED
diff --git a/docs/libcurl/opts/CURLOPT_H3.3 b/docs/libcurl/opts/CURLOPT_H3.3
deleted file mode 100644
index 3411073fd..000000000
--- a/docs/libcurl/opts/CURLOPT_H3.3
+++ /dev/null
@@ -1,57 +0,0 @@
-.\" **************************************************************************
-.\" *                                  _   _ ____  _
-.\" *  Project                     ___| | | |  _ \| |
-.\" *                             / __| | | | |_) | |
-.\" *                            | (__| |_| |  _ <| |___
-.\" *                             \___|\___/|_| \_\_____|
-.\" *
-.\" * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
-.\" *
-.\" * This software is licensed as described in the file COPYING, which
-.\" * you should have received as part of this distribution. The terms
-.\" * are also available at https://curl.haxx.se/docs/copyright.html.
-.\" *
-.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
-.\" * copies of the Software, and permit persons to whom the Software is
-.\" * furnished to do so, under the terms of the COPYING file.
-.\" *
-.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
-.\" * KIND, either express or implied.
-.\" *
-.\" **************************************************************************
-.\"
-.TH CURLOPT_H3 3 "27 Nov 2018" "libcurl 7.66.0" "curl_easy_setopt options"
-.SH NAME
-CURLOPT_H3 \- specify HTTP/3 protocol behavior
-.SH SYNOPSIS
-#include <curl/curl.h>
-
-CURLcode curl_easy_setopt(CURL *handle, CURLOPT_H3, long bitmask);
-.SH EXPERIMENTAL
-Warning: this feature is early code and is marked as experimental. It can only
-be enabled by explicitly invoking configure with \fB--with-quiche\fP or
-\fB--with-ngtcp2\fP. You are advised to not ship this feature used in
-production before the experimental label is removed.
-.SH DESCRIPTION
-This function accepts a long \fIbitmask\fP with a set of flags set that
-controls the HTTP/3 behavior for this transfer.
-.SH DEFAULT
-0
-.SH PROTOCOLS
-HTTPS
-.SH EXAMPLE
-.nf
-CURL *curl = curl_easy_init();
-if(curl) {
-  CURLcode ret;
-  curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
-  curl_easy_setopt(curl, CURLOPT_H3, (long)0);
-  ret = curl_easy_perform(curl);
-}
-.fi
-.SH AVAILABILITY
-Added in 7.66.0
-.SH RETURN VALUE
-Returns CURLE_OK if supported, an error otherwise.
-.SH "SEE ALSO"
-.BR CURLOPT_HTTP_VERSION "(3), "
diff --git a/docs/libcurl/opts/CURLOPT_HTTP_VERSION.3 b/docs/libcurl/opts/CURLOPT_HTTP_VERSION.3
index 564c0dc16..2466d838c 100644
--- a/docs/libcurl/opts/CURLOPT_HTTP_VERSION.3
+++ b/docs/libcurl/opts/CURLOPT_HTTP_VERSION.3
@@ -62,7 +62,7 @@ TLS handshake. (Added in 7.49.0)
 directly to server given in the URL. Note that this cannot gracefully
 downgrade to earlier HTTP version if the server doesn't support HTTP/3.
 
-For more reliably upgrading into HTTP/3, set the prefered version to something
+For more reliably upgrading to HTTP/3, set the prefered version to something
 lower and let the server announce its HTTP/3 support via Alt-Svc:. See
 \fICURLOPT_ALTSVC(3)\fP.
 .SH DEFAULT
@@ -90,4 +90,4 @@ Along with HTTP
 Returns CURLE_OK if HTTP is supported, and CURLE_UNKNOWN_OPTION if not.
 .SH "SEE ALSO"
 .BR CURLOPT_SSLVERSION "(3), " CURLOPT_HTTP200ALIASES "(3), "
-.BR CURLOPT_HTTP09_ALLOWED "(3), " CURLOPT_H3 "(3), " CURLOPT_ALTSVC "(3) "
+.BR CURLOPT_HTTP09_ALLOWED "(3), " CURLOPT_ALTSVC "(3) "
diff --git a/docs/libcurl/opts/Makefile.inc b/docs/libcurl/opts/Makefile.inc
index b7cd7a698..b5f62a159 100644
--- a/docs/libcurl/opts/Makefile.inc
+++ b/docs/libcurl/opts/Makefile.inc
@@ -151,7 +151,6 @@ man_MANS =                                      \
   CURLOPT_FTP_USE_EPSV.3                        \
   CURLOPT_FTP_USE_PRET.3                        \
   CURLOPT_GSSAPI_DELEGATION.3                   \
-  CURLOPT_H3.3                                  \
   CURLOPT_HAPPY_EYEBALLS_TIMEOUT_MS.3           \
   CURLOPT_HAPROXYPROTOCOL.3                     \
   CURLOPT_HEADER.3                              \
diff --git a/docs/libcurl/symbols-in-versions b/docs/libcurl/symbols-in-versions
index 7897d7c2f..cd264b785 100644
--- a/docs/libcurl/symbols-in-versions
+++ b/docs/libcurl/symbols-in-versions
@@ -424,7 +424,6 @@ CURLOPT_FTP_USE_EPRT            7.10.5
 CURLOPT_FTP_USE_EPSV            7.9.2
 CURLOPT_FTP_USE_PRET            7.20.0
 CURLOPT_GSSAPI_DELEGATION       7.22.0
-CURLOPT_H3                      7.66.0
 CURLOPT_HAPPY_EYEBALLS_TIMEOUT_MS 7.59.0
 CURLOPT_HAPROXYPROTOCOL         7.60.0
 CURLOPT_HEADER                  7.1
diff --git a/include/curl/curl.h b/include/curl/curl.h
index 7b02846b4..9429355a9 100644
--- a/include/curl/curl.h
+++ b/include/curl/curl.h
@@ -920,8 +920,6 @@ typedef enum {
 #define CURLPROTO_SMBS   (1<<27)
 #define CURLPROTO_ALL    (~0) /* enable everything */
 
-/* bitmask defines for CURLOPT_H3 */
-
 /* long may be 32 or 64 bits, but we should never depend on anything else
    but 32 */
 #define CURLOPTTYPE_LONG          0
@@ -1924,11 +1922,8 @@ typedef enum {
   /* maximum age of a connection to consider it for reuse (in seconds) */
   CINIT(MAXAGE_CONN, LONG, 288),
 
-  /* Bitmask to control HTTP/3 behavior. See CURLH3_* */
-  CINIT(H3, LONG, 289),
-
   /* SASL authorisation identity */
-  CINIT(SASL_AUTHZID, STRINGPOINT, 290),
+  CINIT(SASL_AUTHZID, STRINGPOINT, 289),
 
   CURLOPT_LASTENTRY /* the last unused */
 } CURLoption;
diff --git a/lib/setopt.c b/lib/setopt.c
index 1ad721131..48c4f2040 100644
--- a/lib/setopt.c
+++ b/lib/setopt.c
@@ -2755,13 +2755,6 @@ CURLcode Curl_vsetopt(struct Curl_easy *data, CURLoption option, va_list param)
       return result;
     break;
 #endif
-  case CURLOPT_H3:
-#ifdef ENABLE_QUIC
-    /* not use anymore */
-#else
-    return CURLE_NOT_BUILT_IN;
-#endif
-    break;
   default:
     /* unknown tag and its companion, just ignore: */
     result = CURLE_UNKNOWN_OPTION;
diff --git a/packages/OS400/curl.inc.in b/packages/OS400/curl.inc.in
index c9c046831..5a53b1b21 100644
--- a/packages/OS400/curl.inc.in
+++ b/packages/OS400/curl.inc.in
@@ -401,9 +401,6 @@
      d CURLU_GUESS_SCHEME...
      d                 c                   X'00000200'
       *
-     d CURLH3_DIRECT...
-     d                 c                   X'00000001'
-      *
       **************************************************************************
       *                                Types
       **************************************************************************
@@ -1423,10 +1420,8 @@
      d                 c                   10287
      d  CURLOPT_MAXAGE_CONN...
      d                 c                   00288
-     d  CURLOPT_H3...
-     d                 c                   00289
      d  CURLOPT_SASL_AUTHZID...
-     d                 c                   10290
+     d                 c                   10289
       *
       /if not defined(CURL_NO_OLDIES)
      d  CURLOPT_FILE   c                   10001