diff options
Diffstat (limited to 'src/basic/macro.h')
| -rw-r--r-- | src/basic/macro.h | 56 |
1 files changed, 24 insertions, 32 deletions
diff --git a/src/basic/macro.h b/src/basic/macro.h index 89bdd852a9..d1365f7058 100644 --- a/src/basic/macro.h +++ b/src/basic/macro.h @@ -1,25 +1,6 @@ /* SPDX-License-Identifier: LGPL-2.1+ */ #pragma once -/*** - This file is part of systemd. - - Copyright 2010 Lennart Poettering - - systemd 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. - - systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - #include <inttypes.h> #include <stdbool.h> #include <sys/param.h> @@ -53,6 +34,26 @@ #else #define _fallthrough_ #endif +/* Define C11 noreturn without <stdnoreturn.h> and even on older gcc + * compiler versions */ +#ifndef _noreturn_ +#if __STDC_VERSION__ >= 201112L +#define _noreturn_ _Noreturn +#else +#define _noreturn_ __attribute__((noreturn)) +#endif +#endif + +#if !defined(HAS_FEATURE_MEMORY_SANITIZER) +# if defined(__has_feature) +# if __has_feature(memory_sanitizer) +# define HAS_FEATURE_MEMORY_SANITIZER 1 +# endif +# endif +# if !defined(HAS_FEATURE_MEMORY_SANITIZER) +# define HAS_FEATURE_MEMORY_SANITIZER 0 +# endif +#endif /* Temporarily disable some warnings */ #define DISABLE_WARNING_DECLARATION_AFTER_STATEMENT \ @@ -343,13 +344,15 @@ static inline unsigned long ALIGN_POWER2(unsigned long u) { ({ \ typeof(x) _x_ = (x); \ unsigned ans = 1; \ - while (_x_ /= 10) \ + while ((_x_ /= 10) != 0) \ ans++; \ ans; \ }) #define SET_FLAG(v, flag, b) \ (v) = (b) ? ((v) | (flag)) : ((v) & ~(flag)) +#define FLAGS_SET(v, flags) \ + (((v) & (flags)) == (flags)) #define CASE_F(X) case X: #define CASE_F_1(CASE, X) CASE_F(X) @@ -414,21 +417,10 @@ static inline unsigned long ALIGN_POWER2(unsigned long u) { #endif #endif -/* Define C11 noreturn without <stdnoreturn.h> and even on older gcc - * compiler versions */ -#ifndef noreturn -#if __STDC_VERSION__ >= 201112L -#define noreturn _Noreturn -#else -#define noreturn __attribute__((noreturn)) -#endif -#endif - #define DEFINE_TRIVIAL_CLEANUP_FUNC(type, func) \ static inline void func##p(type *p) { \ if (*p) \ func(*p); \ - } \ - struct __useless_struct_to_allow_trailing_semicolon__ + } #include "log.h" |