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| -rw-r--r-- | include/stdalign.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/include/stdalign.h b/include/stdalign.h new file mode 100644 index 0000000..bce8f5d --- /dev/null +++ b/include/stdalign.h @@ -0,0 +1,49 @@ +/** + * slibc — Yet another C library + * Copyright © 2015 Mattias Andrée (maandree@member.fsf.org) + * + * 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/>. + */ +#ifndef _STDALIGN_H +#define _STDALIGN_H +#include <slibc/version.h> + + + +/** + * Specify the alignment of a variable. + * + * @param type The type whose alignment shall be used. + */ +#if __STDC_VERSION__ < 201112L && defined(__GNUC__) +# define _Alignas(type) __attribute__((__aligned__(type))) +#endif +#define alignas(type) _Alignas(type) + + +/** + * Get the alignment of a type. + * + * @param type The type. + * @return The alignment of the type. + */ +#if __STDC_VERSION__ < 201112L && defined(__GNUC__) +# define _Alignof(type) __alignof__(type) +#endif +#define alignof(type) _Alignof(type) + + + +#endif + |