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 _GL_NORETURN_FUNC extern void func1 (void); 26 extern _GL_NORETURN_FUNC void func2 (void); 27 extern void _GL_NORETURN_FUNC func3 (void); 28 29 /* Test _GL_NORETURN_FUNC on function definitions. */ 30 31 _GL_NORETURN_FUNC void funcd (void) /* */ 32 { 33 for (;;) 34 ; 35 } 36 37 /* Test _GL_NORETURN_FUNCPTR. */ 38 39 _GL_NORETURN_FUNCPTR void (*func1_ptr) (void) = func1; 40 _GL_NORETURN_FUNCPTR void (*func2_ptr) (void) = func2; 41 _GL_NORETURN_FUNCPTR void (*func3_ptr) (void) = func3; 42 _GL_NORETURN_FUNCPTR void (*funcd_ptr) (void) = funcd; 43 44 /* These could also be defined in a separate compilation unit. */ 45 46 void func1 (void) /* */ 47 { 48 for (;;) 49 ; 50 } 51 52 void func2 (void) /* */ 53 { 54 for (;;) 55 ; 56 } 57 58 void func3 (void) /* */ 59 { 60 for (;;) 61 ; 62 } 63 64 65 int 66 main () /* */ 67 { 68 return 0; 69 }