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
7 struct 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
23 void xyarray__reset(struct xyarray *xy)
24 {
25 size_t n = xy->entries * xy->entry_size;
26
27 memset(xy->contents, 0, n);
28 }
29
30 void xyarray__delete(struct xyarray *xy)
31 {
32 free(xy);
33 }
34
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