1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47
|
/*
* Copyright (C) 1999-2001 Michael H. Schimek
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: alloc.c,v 1.5 2005/01/08 14:54:19 mschimek Exp $ */
#include <string.h>
#include "alloc.h"
#ifndef HAVE_MEMALIGN
void *
alloc_aligned(size_t size, unsigned int align, z_bool clear)
{
void *p, *b;
if (align < sizeof(void *))
align = sizeof(void *);
if (!(b = malloc(size + align)))
return NULL;
p = (void *)(((long)((char *) b + align)) & -align);
((void **) p)[-1] = b;
if (clear)
memset(p, 0, size);
return p;
}
#endif /* !HAVE_MEMALIGN */
|