1 /* vi: set sw=4 ts=4: */
2 /* posix_memalign for uClibc
4 * Copyright (C) 1996-2002, 2003, 2004, 2005 Free Software Foundation, Inc.
5 * Copyright (C) 2005 by Erik Andersen <andersen@uclibc.org>
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU Library General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or (at your
10 * option) any later version.
12 * This program is distributed in the hope that it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
17 * You should have received a copy of the GNU Library General Public License
18 * along with this program; if not, write to the Free Software Foundation,
19 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 #include <sys/types.h>
27 #include <sys/param.h>
29 int posix_memalign(void **memptr, size_t alignment, size_t size)
31 /* Make sure alignment is correct. */
32 if (alignment % sizeof(void *) != 0)
33 /* Skip these checks because the memalign() func does them for us
34 || !powerof2(alignment / sizeof(void *)) != 0
39 *memptr = memalign(alignment, size);
41 return (*memptr != NULL ? 0 : ENOMEM);