1  /* Duplicate a response context used in DNS resolver tests.
       2     Copyright (C) 2020-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #include <string.h>
      20  #include <support/resolv_test.h>
      21  #include <support/support.h>
      22  
      23  struct resolv_response_context *
      24  resolv_response_context_duplicate (const struct resolv_response_context *ctx)
      25  {
      26    struct resolv_response_context *result = xmalloc (sizeof (*result));
      27    memcpy (result, ctx, sizeof (*result));
      28    if (result->client_address != NULL)
      29      {
      30        result->client_address = xmalloc (result->client_address_length);
      31        memcpy (result->client_address, ctx->client_address,
      32                result->client_address_length);
      33      }
      34    result->query_buffer = xmalloc (result->query_length);
      35    memcpy (result->query_buffer, ctx->query_buffer, result->query_length);
      36    return result;
      37  }