1 /* Test endian.h endian-conversion macros always return the correct type. 2 Copyright (C) 2017-2022 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 <endian.h> 20 #include <stdint.h> 21 22 int i; 23 uint16_t u16; 24 uint32_t u32; 25 uint64_t u64; 26 27 int do_test(void)28do_test (void) 29 { 30 /* This is a compilation test. */ 31 extern __typeof (htobe16 (i)) u16; 32 extern __typeof (htole16 (i)) u16; 33 extern __typeof (be16toh (i)) u16; 34 extern __typeof (le16toh (i)) u16; 35 extern __typeof (htobe32 (i)) u32; 36 extern __typeof (htole32 (i)) u32; 37 extern __typeof (be32toh (i)) u32; 38 extern __typeof (le32toh (i)) u32; 39 extern __typeof (htobe64 (i)) u64; 40 extern __typeof (htole64 (i)) u64; 41 extern __typeof (be64toh (i)) u64; 42 extern __typeof (le64toh (i)) u64; 43 (void) u16; 44 (void) u32; 45 (void) u64; 46 return 0; 47 } 48 49 #include <support/test-driver.c> 50