tests/test-noreturn-c++.cc

   1 /* Test of macros for declaring functions as non-returning.
   2    Copyright (C) 2017-2021 Free Software Foundation, Inc.
   3
   4    This program is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  16
  17 /* Written by Bruno Haible <bruno@clisp.org>, 2017.  */
  18
  19 #include <config.h>
  20
  21 #include <noreturn.h>
  22
  23 /* Test _GL_NORETURN_FUNC on function declarations.  */
  24
  25 extern "C" { _GL_NORETURN_FUNC void func1_c (void); }
  26 _GL_NORETURN_FUNC extern void func1_cxx (void);
  27
  28 /* Test _GL_NORETURN_FUNC on function definitions.  */
  29
  30 _GL_NORETURN_FUNC void funcd_cxx (void)
  31 {
  32   for (;;)
  33     ;
  34 }
  35
  36 /* Test _GL_NORETURN_FUNCPTR.  */
  37
  38 _GL_NORETURN_FUNCPTR void (*func1_c_ptr) (void) = func1_c;
  39 _GL_NORETURN_FUNCPTR void (*func1_cxx_ptr) (void) = func1_cxx;
  40 _GL_NORETURN_FUNCPTR void (*funcd_cxx_ptr) (void) = funcd_cxx;
  41
  42 /* These could also be defined in a separate compilation unit.  */
  43
  44 void func1_c (void)
  45 {
  46   for (;;)
  47     ;
  48 }
  49
  50 void func1_cxx (void)
  51 {
  52   for (;;)
  53     ;
  54 }
  55
  56
  57 int
  58 main ()
  59 {
  60 }