Add a macro definition

openssl-sys/src/ossl10x.rs

@@ -527,6 +527,12 @@ fn set_id_callback() {
 #[cfg(not(unix))]
 fn set_id_callback() {}
 
+// macros
+#[cfg(ossl102)]
+pub unsafe fn SSL_CTX_set_ecdh_auto(ctx: *mut SSL_CTX, onoff: c_int) -> c_int {
+    ::SSL_CTX_ctrl(ctx, SSL_CTRL_SET_ECDH_AUTO, onoff as c_long, ::std::ptr::null_mut()) as c_int
+}
+
 extern {
     pub fn BIO_new(type_: *mut BIO_METHOD) -> *mut BIO;
     pub fn BIO_s_file() -> *mut BIO_METHOD;

openssl/src/ssl/mod.rs

@@ -551,11 +551,7 @@ impl SslContextBuilder {
     #[cfg(all(feature = "v102", ossl102))]
     pub fn set_ecdh_auto(&mut self, onoff: bool) -> Result<(), ErrorStack> {
         unsafe {
-            cvt(ffi::SSL_CTX_ctrl(self.as_ptr(),
-                                  ffi::SSL_CTRL_SET_ECDH_AUTO,
-                                  onoff as c_long,
-                                  ptr::null_mut()) as c_int)
-                .map(|_| ())
+            cvt(ffi::SSL_CTX_set_ecdh_auto(self.as_ptr(), onoff as c_int)).map(|_| ())
         }
     }