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/*
* Unix SMB/CIFS implementation.
* Samba utility functions
*
* Copyright (C) Gary Lockyer 2026
*
* 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 __LIB_UTIL_ALIGNMENT_H__
#define __LIB_UTIL_ALIGNMENT_H__
#include "replace.h"
/*
* Is the address of the data pointed to aligned on the specified alignment?
*
* @param ptr The pointer to check
* @param alignment The expected alignment
*
* @return True if pointer has the specified alignment
* False otherwise
*/
static inline bool is_aligned(const void *ptr, const size_t alignment)
{
return ((uintptr_t) ptr % alignment) == 0;
}
/*
* Is the alignment of pointer correct for type
*
* @param ptr The pointer to check
* @param type The type to check
*
* @return True if pointer is correctly aligned for type
* False otherwise
*/
#define check_alignment(ptr, type) is_aligned(ptr, _Alignof(type))
#endif
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