1 /*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <netinet/udp.h>
18
19 #include <gtest/gtest.h>
20
21 #if defined(__BIONIC__)
22 #define UDPHDR_USES_ANON_UNION
23 #elif defined(__GLIBC_PREREQ)
24 #if __GLIBC_PREREQ(2, 18)
25 #define UDPHDR_USES_ANON_UNION
26 #endif
27 #endif
28
TEST(netinet_udp,compat)29 TEST(netinet_udp, compat) {
30 #if defined(UDPHDR_USES_ANON_UNION)
31 static_assert(offsetof(udphdr, uh_sport) == offsetof(udphdr, source), "udphdr::source");
32 static_assert(offsetof(udphdr, uh_dport) == offsetof(udphdr, dest), "udphdr::dest");
33 static_assert(offsetof(udphdr, uh_ulen) == offsetof(udphdr, len), "udphdr::len");
34 static_assert(offsetof(udphdr, uh_sum) == offsetof(udphdr, check), "udphdr::check");
35
36 udphdr u;
37 u.uh_sport = 0x1111;
38 u.uh_dport = 0x2222;
39 u.uh_ulen = 0x3333;
40 u.uh_sum = 0x4444;
41 ASSERT_EQ(0x1111, u.source);
42 ASSERT_EQ(0x2222, u.dest);
43 ASSERT_EQ(0x3333, u.len);
44 ASSERT_EQ(0x4444, u.check);
45 #endif
46 }
47