mhd_assert.h (3592B)
1 /* SPDX-License-Identifier: LGPL-2.1-or-later OR (GPL-2.0-or-later WITH eCos-exception-2.0) */ 2 /* 3 This file is part of GNU libmicrohttpd. 4 Copyright (C) 2017-2024 Evgeny Grin (Karlson2k) 5 6 GNU libmicrohttpd is free software; you can redistribute it and/or 7 modify it under the terms of the GNU Lesser General Public 8 License as published by the Free Software Foundation; either 9 version 2.1 of the License, or (at your option) any later version. 10 11 GNU libmicrohttpd is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 Lesser General Public License for more details. 15 16 Alternatively, you can redistribute GNU libmicrohttpd and/or 17 modify it under the terms of the GNU General Public License as 18 published by the Free Software Foundation; either version 2 of 19 the License, or (at your option) any later version, together 20 with the eCos exception, as follows: 21 22 As a special exception, if other files instantiate templates or 23 use macros or inline functions from this file, or you compile this 24 file and link it with other works to produce a work based on this 25 file, this file does not by itself cause the resulting work to be 26 covered by the GNU General Public License. However the source code 27 for this file must still be made available in accordance with 28 section (3) of the GNU General Public License v2. 29 30 This exception does not invalidate any other reasons why a work 31 based on this file might be covered by the GNU General Public 32 License. 33 34 You should have received copies of the GNU Lesser General Public 35 License and the GNU General Public License along with this library; 36 if not, see <https://www.gnu.org/licenses/>. 37 */ 38 39 /** 40 * @file src/mhd2/mhd_assert.h 41 * @brief macros for mhd_assert() 42 * @author Karlson2k (Evgeny Grin) 43 */ 44 45 /* Unlike POSIX version of 'assert.h', MHD version of 'assert' header 46 * does not allow multiple redefinition of 'mhd_assert' macro within single 47 * source file. */ 48 #ifndef MHD_ASSERT_H 49 #define MHD_ASSERT_H 1 50 51 #include "mhd_sys_options.h" 52 53 #if ! defined(_DEBUG) && ! defined(NDEBUG) 54 # ifndef DEBUG /* Used by some toolchains */ 55 # define NDEBUG 1 /* Use NDEBUG by default */ 56 # else /* DEBUG */ 57 # define _DEBUG 1 /* Non-standart macro */ 58 # endif /* DEBUG */ 59 #endif /* !_DEBUG && !NDEBUG */ 60 61 #if defined(_DEBUG) && defined(NDEBUG) 62 #error Both _DEBUG and NDEBUG are defined 63 #endif /* _DEBUG && NDEBUG */ 64 65 #ifdef NDEBUG 66 # define mhd_assert(ignore) ((void) 0) 67 #else /* ! NDEBUG */ 68 # ifdef HAVE_ASSERT 69 # include <assert.h> 70 # define mhd_assert(CHK) assert (CHK) 71 # else /* ! HAVE_ASSERT */ 72 # include <stdio.h> 73 # ifdef HAVE_STDLIB_H 74 # include <stdlib.h> 75 # elif defined(HAVE_UNISTD_H) 76 # include <unistd.h> 77 # endif 78 # ifdef MHD_HAVE_MHD_FUNC_ 79 # define mhd_assert(CHK) \ 80 do { \ 81 if (! (CHK)) { \ 82 fprintf (stderr, \ 83 "%s:%s:%u Assertion failed: %s\nProgram aborted.\n", \ 84 __FILE__, MHD_FUNC_, (unsigned) __LINE__, #CHK); \ 85 fflush (stderr); abort (); } \ 86 } while (0) 87 # else 88 # define mhd_assert(CHK) \ 89 do { \ 90 if (! (CHK)) { \ 91 fprintf (stderr, "%s:%u Assertion failed: %s\nProgram aborted.\n", \ 92 __FILE__, (unsigned) __LINE__, #CHK); \ 93 fflush (stderr); abort (); } \ 94 } while (0) 95 # endif 96 # endif /* ! HAVE_ASSERT */ 97 #endif /* NDEBUG */ 98 99 #endif /* ! MHD_ASSERT_H */