/* Duplicate a response context used in DNS resolver tests.

   Copyright (C) 2020 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <https://www.gnu.org/licenses/>.  */

#include <string.h>

#include <support/resolv_test.h>

#include <support/support.h>

struct resolv_response_context *

resolv_response_context_duplicate (const struct resolv_response_context *ctx)

{

  struct resolv_response_context *result = xmalloc (sizeof (*result));

  memcpy (result, ctx, sizeof (*result));

  if (result->client_address != NULL)

    {

      result->client_address = xmalloc (result->client_address_length);

      memcpy (result->client_address, ctx->client_address,

              result->client_address_length);

    }

  result->query_buffer = xmalloc (result->query_length);

  memcpy (result->query_buffer, ctx->query_buffer, result->query_length);

  return result;

}