From ad098d08349c579ed8a2f2ec74f17858a380f5d7 Mon Sep 17 00:00:00 2001
From: Yuta Saito <kateinoigakukun@gmail.com>
Date: Thu, 22 Dec 2022 19:25:12 +0000
Subject: [PATCH] Remove unused internal constant `SSL::ExtConfig`

---
 ext/openssl/ossl_ssl.c | 19 +------------------
 1 file changed, 1 insertion(+), 18 deletions(-)

diff --git a/ext/openssl/ossl_ssl.c b/ext/openssl/ossl_ssl.c
index bbf7adb91..888913d69 100644
--- a/ext/openssl/ossl_ssl.c
+++ b/ext/openssl/ossl_ssl.c
@@ -29,7 +29,6 @@
 	TypedData_Get_Struct((obj), SSL_CTX, &ossl_sslctx_type, (ctx));	\
 } while (0)
 
-static VALUE mSSLExtConfig;
 #ifndef OPENSSL_NO_SOCK
 
 VALUE mSSL;
@@ -2591,21 +2590,7 @@ Init_ossl_ssl(void)
     mSSL = rb_define_module_under(mOSSL, "SSL");
 #endif /* !defined(OPENSSL_NO_SOCK) */
 
-    /* Document-module: OpenSSL::ExtConfig
-     *
-     * This module contains configuration information about the SSL extension,
-     * for example if socket support is enabled, or the host name TLS extension
-     * is enabled.  Constants in this module will always be defined, but contain
-     * +true+ or +false+ values depending on the configuration of your OpenSSL
-     * installation.
-     */
-    mSSLExtConfig = rb_define_module_under(mOSSL, "ExtConfig");
-
-#ifdef OPENSSL_NO_SOCK
-    rb_define_const(mSSLExtConfig, "OPENSSL_NO_SOCK", Qfalse);
-#else
-    rb_define_const(mSSLExtConfig, "OPENSSL_NO_SOCK", Qtrue);
-
+#ifndef OPENSSL_NO_SOCK
     /* Document-class: OpenSSL::SSL::SSLError
      *
      * Generic error class raised by SSLSocket and SSLContext.
@@ -2768,8 +2753,6 @@ Init_ossl_ssl(void)
      */
     rb_attr(cSSLContext, rb_intern_const("session_remove_cb"), 1, 1, Qfalse);
 
-    rb_define_const(mSSLExtConfig, "HAVE_TLSEXT_HOST_NAME", Qtrue);
-
     /*
      * A callback invoked whenever a new handshake is initiated on an
      * established connection. May be used to disable renegotiation entirely.