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/*===========================================================================
* Filename : utils.c
* About : utilities that may be #include's in tests
*
* Copyright (C) 2006 Jun Inoue <jun.lambda@gmail.com>
* Copyright (c) 2007-2008 SigScheme Project <uim-en AT googlegroups.com>
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of authors nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS
* IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
===========================================================================*/
#define ALIGN_HEAP 8
static void *malloc_aligned_8(size_t size) SCM_UNUSED;
static void *aligned_dup(void *p, size_t size) SCM_UNUSED;
static void *
malloc_aligned_8(size_t size)
{
void *ret;
#if HAVE_PAGE_ALIGNED_MALLOC
/* workaround for page-sized scm_malloc_aligned() */
ret = scm_malloc(size);
SCM_ASSERT(!((uintptr_t)ret % ALIGN_HEAP));
#else
ret = scm_malloc_aligned(size);
#endif
return ret;
}
static void *
aligned_dup(void *p, size_t size)
{
void *ret;
ret = malloc_aligned_8(size);
memcpy(ret, p, size);
return ret;
}
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