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 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
