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support: Provide a way to reorder responses within the DNS test server

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This commit is contained in:
Florian Weimer
2020-10-14 10:54:39 +02:00
parent 880a12e96d
commit 873e239a4c
5 changed files with 135 additions and 28 deletions
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37
support/resolv_response_context_duplicate.c Normal file
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/* 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;
}