1// SPDX-License-Identifier: GPL-2.0
2#include <internal/xyarray.h>
3#include <linux/zalloc.h>
4#include <stdlib.h>
5#include <string.h>
6
7struct xyarray *xyarray__new(int xlen, int ylen, size_t entry_size)
8{
9	size_t row_size = ylen * entry_size;
10	struct xyarray *xy = zalloc(sizeof(*xy) + xlen * row_size);
11
12	if (xy != NULL) {
13		xy->entry_size = entry_size;
14		xy->row_size   = row_size;
15		xy->entries    = xlen * ylen;
16		xy->max_x      = xlen;
17		xy->max_y      = ylen;
18	}
19
20	return xy;
21}
22
23void xyarray__reset(struct xyarray *xy)
24{
25	size_t n = xy->entries * xy->entry_size;
26
27	memset(xy->contents, 0, n);
28}
29
30void xyarray__delete(struct xyarray *xy)
31{
32	free(xy);
33}
34