// ==========================================================================
//                    ____              __  __ _   _ ____
//                   |  _ \ _   _ _ __ |  \/  | | | / ___|
//                   | | | | | | | '_ \| |\/| | |_| \___ \
//                   | |_| | |_| | | | | |  | |  _  |___) |
//                   |____/ \__, |_| |_|_|  |_|_| |_|____/
//                          |___/
//
//                ---  Dynamic Multi-Homing Setup (DynMHS)  ---
//                     https://www.nntb.no/~dreibh/dynmhs/
// ==========================================================================
//
// Dynamic Multi-Homing Setup (DynMHS)
// Copyright (C) 2024-2026 by Thomas Dreibholz
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
//
// Contact: dreibh@simula.no

#ifndef ASSURE_H
#define ASSURE_H

// Assertion like assert(), but which will be checked in all build types,
// i.e. not only for Debug builds but also in Release builds
#define assure(expression) \
   if(__builtin_expect(!(expression), 0)) { \
      __assure_fail(#expression, __FILE__, __LINE__, __func__); \
   }

#define assure_perror(expression) \
   if(__builtin_expect(!(expression), 0)) { \
      __assure_fail_perror(#expression, __FILE__, __LINE__, __func__); \
   }

void __assure_fail(const char*  expression,
                   const char*  file,
                   unsigned int line,
                   const char*  function) __attribute__ ((__noreturn__));
void __assure_fail_perror(const char*  expression,
                          const char*  file,
                          unsigned int line,
                          const char*  function) __attribute__ ((__noreturn__));

#endif
