Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#include "xyarray.h"
2#include "util.h"
3#include <stdlib.h>
4#include <string.h>
5
6struct xyarray *xyarray__new(int xlen, int ylen, size_t entry_size)
7{
8 size_t row_size = ylen * entry_size;
9 struct xyarray *xy = zalloc(sizeof(*xy) + xlen * row_size);
10
11 if (xy != NULL) {
12 xy->entry_size = entry_size;
13 xy->row_size = row_size;
14 xy->entries = xlen * ylen;
15 xy->max_x = xlen;
16 xy->max_y = ylen;
17 }
18
19 return xy;
20}
21
22void xyarray__reset(struct xyarray *xy)
23{
24 size_t n = xy->entries * xy->entry_size;
25
26 memset(xy->contents, 0, n);
27}
28
29void xyarray__delete(struct xyarray *xy)
30{
31 free(xy);
32}