chore: checkpoint before Python removal

vendor/aws-lc-sys/aws-lc/crypto/decrepit/obj/obj_decrepit.c

@@ -0,0 +1,59 @@
+// Copyright (c) 2016, Google Inc.	
+// SPDX-License-Identifier: ISC
+
+#include <openssl/obj.h>
+
+#include <assert.h>
+#include <string.h>
+
+#include <openssl/evp.h>
+
+#include "../../internal.h"
+
+
+struct wrapped_callback {
+  void (*callback)(const OBJ_NAME *, void *arg);
+  void *arg;
+};
+
+static void cipher_callback(const EVP_CIPHER *cipher, const char *name,
+                            const char *unused, void *arg) {
+  const struct wrapped_callback *wrapped = (struct wrapped_callback *)arg;
+  OBJ_NAME obj_name;
+
+  OPENSSL_memset(&obj_name, 0, sizeof(obj_name));
+  obj_name.type = OBJ_NAME_TYPE_CIPHER_METH;
+  obj_name.name = name;
+  obj_name.data = (const char *)cipher;
+
+  wrapped->callback(&obj_name, wrapped->arg);
+}
+
+static void md_callback(const EVP_MD *md, const char *name, const char *unused,
+                        void *arg) {
+  const struct wrapped_callback *wrapped = (struct wrapped_callback*) arg;
+  OBJ_NAME obj_name;
+
+  OPENSSL_memset(&obj_name, 0, sizeof(obj_name));
+  obj_name.type = OBJ_NAME_TYPE_MD_METH;
+  obj_name.name = name;
+  obj_name.data = (const char *)md;
+
+  wrapped->callback(&obj_name, wrapped->arg);
+}	
+
+void OBJ_NAME_do_all_sorted(int type,
+                            void (*callback)(const OBJ_NAME *, void *arg),
+                            void *arg) {
+  struct wrapped_callback wrapped;
+  wrapped.callback = callback;
+  wrapped.arg = arg;
+
+  if (type == OBJ_NAME_TYPE_CIPHER_METH) {
+    EVP_CIPHER_do_all_sorted(cipher_callback, &wrapped);
+  } else if (type == OBJ_NAME_TYPE_MD_METH) {
+    EVP_MD_do_all_sorted(md_callback, &wrapped);
+  } else {
+    assert(0);
+  }
+}