libc/include/llvm-libc-types/struct_utsname.h

   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