1 //===-- Definition of struct utsname --------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLVM_LIBC_TYPES_STRUCT_UTSNAME_H 10 #define LLVM_LIBC_TYPES_STRUCT_UTSNAME_H 11 12 #if defined(__linux__) 13 #define __UTS_NAME_LENGTH 65 14 #elif defined(__APPLE__) 15 #define __UTS_NAME_LENGTH 256 16 #else 17 // Arbitray default. Should be specialized for each platform. 18 #define __UTS_NAME_LENGTH 1024 19 #endif 20 21 struct utsname { 22 char sysname[__UTS_NAME_LENGTH]; 23 char nodename[__UTS_NAME_LENGTH]; 24 char release[__UTS_NAME_LENGTH]; 25 char version[__UTS_NAME_LENGTH]; 26 char machine[__UTS_NAME_LENGTH]; 27 #ifdef __linux__ 28 char domainname[__UTS_NAME_LENGTH]; 29 #endif 30 }; 31 32 #undef __UTS_NAME_LENGTH 33 34 #endif // LLVM_LIBC_TYPES_STRUCT_UTSNAME_H 35