1 /* Duplicate a response context used in DNS resolver tests.
2 Copyright (C) 2020-2022 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 *
resolv_response_context_duplicate(const struct resolv_response_context * ctx)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 }
38