kc3-lang/gnulib/lib/_Noreturn.h

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• Hash : 32a72f45
  Author :
  Date : 2023-01-01T01:14:21
  

  maint: run 'make update-copyright'
  

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• lib/_Noreturn.h

• /* A C macro for declaring that a function does not return.
     Copyright (C) 2011-2023 Free Software Foundation, Inc.
  
     This program is free software: you can redistribute it and/or modify it
     under the terms of the GNU Lesser General Public License as published
     by the Free Software Foundation; either version 2 of the License, or
     (at your option) any later version.
  
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Lesser General Public License for more details.
  
     You should have received a copy of the GNU Lesser General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  
  #ifndef _Noreturn
  # if (defined __cplusplus \
        && ((201103 <= __cplusplus && !(__GNUC__ == 4 && __GNUC_MINOR__ == 7)) \
            || (defined _MSC_VER && 1900 <= _MSC_VER)) \
        && 0)
      /* [[noreturn]] is not practically usable, because with it the syntax
           extern _Noreturn void func (...);
         would not be valid; such a declaration would only be valid with 'extern'
         and '_Noreturn' swapped, or without the 'extern' keyword.  However, some
         AIX system header files and several gnulib header files use precisely
         this syntax with 'extern'.  */
  #  define _Noreturn [[noreturn]]
  # elif ((!defined __cplusplus || defined __clang__) \
          && (201112 <= (defined __STDC_VERSION__ ? __STDC_VERSION__ : 0) \
              || (!defined __STRICT_ANSI__ \
                  && (4 < __GNUC__ + (7 <= __GNUC_MINOR__) \
                      || (defined __apple_build_version__ \
                          ? 6000000 <= __apple_build_version__ \
                          : 3 < __clang_major__ + (5 <= __clang_minor__))))))
     /* _Noreturn works as-is.  */
  # elif (2 < __GNUC__ + (8 <= __GNUC_MINOR__) || defined __clang__ \
          || 0x5110 <= __SUNPRO_C)
  #  define _Noreturn __attribute__ ((__noreturn__))
  # elif 1200 <= (defined _MSC_VER ? _MSC_VER : 0)
  #  define _Noreturn __declspec (noreturn)
  # else
  #  define _Noreturn
  # endif
  #endif
  

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