1/*
2 * Copyright © 2008 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 *
23 * Authors:
24 *     Jesse Barnes <jbarnes@virtuousgeek.org>
25 *
26 */
27
28#include <sys/cdefs.h>
29__FBSDID("$FreeBSD$");
30
31#ifndef _DRM_MEM_UTIL_H_
32#define _DRM_MEM_UTIL_H_
33
34#include <sys/types.h>
35#include <sys/malloc.h>
36
37static __inline__ void *drm_calloc_large(size_t nmemb, size_t size)
38{
39	if (size != 0 && nmemb > SIZE_MAX / size)
40		return NULL;
41
42	return malloc(nmemb * size, DRM_MEM_DRIVER, M_NOWAIT | M_ZERO);
43}
44
45/* Modeled after cairo's malloc_ab, it's like calloc but without the zeroing. */
46static __inline__ void *drm_malloc_ab(size_t nmemb, size_t size)
47{
48	if (size != 0 && nmemb > SIZE_MAX / size)
49		return NULL;
50
51	return malloc(nmemb * size, DRM_MEM_DRIVER, M_NOWAIT);
52}
53
54static __inline void drm_free_large(void *ptr)
55{
56	free(ptr, DRM_MEM_DRIVER);
57}
58
59#endif
60