From d09c6c1bd5da3e2d79351daeba304ca99976a726 Mon Sep 17 00:00:00 2001 From: vnugent Date: Thu, 18 Apr 2024 00:28:51 -0400 Subject: refactor!: Pushing what I have to dev --- src/internal/nc-util.h | 62 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 src/internal/nc-util.h (limited to 'src/internal/nc-util.h') diff --git a/src/internal/nc-util.h b/src/internal/nc-util.h new file mode 100644 index 0000000..9026d29 --- /dev/null +++ b/src/internal/nc-util.h @@ -0,0 +1,62 @@ + +/* +* Copyright (c) 2024 Vaughn Nugent +* +* Package: noscrypt +* File: nc-util.c +* +* This 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 2.1 +* of the License, or (at your option) any later version. +* +* This 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 noscrypt. If not, see http://www.gnu.org/licenses/. +*/ + +#pragma once + +#ifndef NC_UTIL_H +#define NC_UTIL_H + +/* NULL */ +#ifndef NULL + #define NULL ((void*)0) +#endif /* !NULL */ + + +#ifdef DEBUG + /* Must include assert.h for assertions */ + #include + #define DEBUG_ASSERT(x) assert(x); + #define DEBUG_ASSERT2(x, message) assert(x && message); + + /* + * Compiler enabled static assertion keywords are + * only available in C11 and later. Later versions + * have macros built-in from assert.h so we can use + * the static_assert macro directly. + * + * Static assertions are only used for testing such as + * sanity checks and this library targets the c89 standard + * so static_assret very likely will not be available. + */ + #if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L + #define STATIC_ASSERT(x, m) static_assert(x, m) + #elif !defined(STATIC_ASSERT) + #define STATIC_ASSERT(x, m) + #pragma message("Static assertions are not supported by this language version") + #endif + +#else + #define DEBUG_ASSERT(x) + #define DEBUG_ASSERT2(x, message) + #define STATIC_ASSERT(x, m) +#endif + +#endif /* NC_UTIL_H */ \ No newline at end of file -- cgit