linear_assert.h

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/*
 
  $Id: linear_assert.h 1669 2019-06-26 17:24:57Z coelho $
 
  Copyright 1989-2016 MINES ParisTech
 
  This file is part of Linear/C3 Library.
 
  Linear/C3 Library 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 3 of the License, or
  any later version.
 
  Linear/C3 Library 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 Linear/C3 Library.  If not, see <http://www.gnu.org/licenses/>.
 
*/
 
/* "abort" version of "/usr/include/assert.h", and assert with a message.
 * breakpoint on abort() to catch an issue.
 * put here so as to mask the "/usr/include" version.
 *
 * You need an include of <stdio.h> and <stdlib.h> to use it.
 */
 
#ifndef __linear_assert_included__
#define __linear_assert_included__
 
#ifdef __GNUC__
#define _linear_assert_message                                          \
  "[%s] (%s:%d) assertion failed\n", __FUNCTION__, __FILE__, __LINE__
#else
#define _linear_assert_message                          \
  "Assertion failed (%s:%d)\n", __FILE__, __LINE__
#endif
 
#undef assert
#ifdef NDEBUG
#define assert(ex)
#define linear_assert(msg, ex)
#else
extern int linear_assertion_result;
#define assert(ex)                                                                                                      \
  linear_assertion_result = ((ex)? 1: (fprintf(stderr, _linear_assert_message), abort(), 0))
#define linear_assert(msg, ex) {                                                                \
    if (!(ex)) {                                                \
      (void) fprintf(stderr, _linear_assert_message);           \
      (void) fprintf(stderr, "\n %s not verified\n\n", msg);    \
      (void) abort();                                           \
    }                                                           \
  }
#endif // NDEBUG
#endif // __linear_assert_included__