From bf4630076762d9c20c16c80c1c791f352b046dd1 Mon Sep 17 00:00:00 2001 From: Brad Bishop Date: Mon, 30 Jun 2014 22:10:16 -0500 Subject: Port FFS tools over from Building Block repository. --- clib/align.h | 49 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 clib/align.h (limited to 'clib/align.h') diff --git a/clib/align.h b/clib/align.h new file mode 100644 index 0000000..b2a8a6c --- /dev/null +++ b/clib/align.h @@ -0,0 +1,49 @@ +/* + * Copyright (c) International Business Machines Corp., 2014 + * + * 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 2 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, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/*! + * @file align.h + * @brief Alignment helpers + * @author Shaun Wetzstein + * @date 2010-2011 + */ + +#ifndef __ALIGN_H__ +#define __ALIGN_H__ + +/*! + * @def alignof(t) + * @hideinitializer + * @brief Returns the alignment of an object or minimum alignment required by a type + * @param t [in] Object or type name + */ +#define alignof(t) __alignof__(t) + +#ifndef offsetof + +/*! + * @def offsetof(t,m) + * @hideinitializer + * @brief Returns the offset of a member within a structure + * @param t [in] Structure type name + * @param m [in] Member name within a structure + */ +#define offsetof(t,m) __builtin_offsetof(t, m) +#endif + +#endif /* __ALIGN_H__ */ -- cgit v1.2.1