diff options
author | Jörg Frings-Fürst <debian@jff.email> | 2024-10-20 15:22:21 +0200 |
---|---|---|
committer | Jörg Frings-Fürst <debian@jff.email> | 2024-10-20 15:22:21 +0200 |
commit | 1d8b9e17ea13630aec475484da09ebba0366f7c8 (patch) | |
tree | 0c801f68561bfb0930a4ade80d7ca3a7940887ab /tests/assure.h | |
parent | 84e26c587987e8484d55db4165f188b40c09e94b (diff) | |
parent | 630f99f29bd31a76d8d24da2975a045452c763ef (diff) |
Merge branch 'feature/upstream' into develop
Diffstat (limited to 'tests/assure.h')
-rw-r--r-- | tests/assure.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/tests/assure.h b/tests/assure.h new file mode 100644 index 00000000..d650ca15 --- /dev/null +++ b/tests/assure.h @@ -0,0 +1,57 @@ +/* Run-time assert-like macros. + + Copyright (C) 2014-2024 Free Software Foundation, Inc. + + This file 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 2.1 of the + License, or (at your option) any later version. + + This file 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/>. */ + +/* Written by Paul Eggert. */ + +#ifndef _GL_ASSURE_H +#define _GL_ASSURE_H + +#include <assert.h> +#include "verify.h" + +/* Evaluate an assertion E that is guaranteed to be true. + If NDEBUG is not defined, abort the program if E is false. + If NDEBUG is defined, the compiler can assume E and behavior is + undefined if E is false, fails to evaluate, or has side effects. + + Unlike standard 'assert', this macro evaluates E even when NDEBUG + is defined, so as to catch typos, avoid some GCC warnings, and + improve performance when E is simple enough. + + Also see the documentation for 'assume' in verify.h. */ + +#ifdef NDEBUG +# define affirm(E) assume (E) +#else +# define affirm(E) assert (E) +#endif + +/* Check E's value at runtime, and report an error and abort if not. + However, do nothing if NDEBUG is defined. + + Unlike standard 'assert', this macro compiles E even when NDEBUG + is defined, so as to catch typos and avoid some GCC warnings. + Unlike 'affirm', it is OK for E to use hard-to-optimize features, + since E is not executed if NDEBUG is defined. */ + +#ifdef NDEBUG +# define assure(E) ((void) (0 && (E))) +#else +# define assure(E) assert (E) +#endif + +#endif |