Cregit: Linux 5.8: xyarray.c

Contributors: 4
Author	Tokens	Token Proportion	Commits	Commit Proportion
Arnaldo Carvalho de Melo	91	63.19%	3	50.00%
Jiri Olsa	40	27.78%	1	16.67%
Andi Kleen	12	8.33%	1	16.67%
Greg Kroah-Hartman	1	0.69%	1	16.67%
Total	144		6

// SPDX-License-Identifier: GPL-2.0
#include "xyarray.h"
#include <stdlib.h>
#include <string.h>
#include <linux/zalloc.h>

struct xyarray *xyarray__new(int xlen, int ylen, size_t entry_size)
{
	size_t row_size = ylen * entry_size;
	struct xyarray *xy = zalloc(sizeof(*xy) + xlen * row_size);

	if (xy != NULL) {
		xy->entry_size = entry_size;
		xy->row_size   = row_size;
		xy->entries    = xlen * ylen;
		xy->max_x      = xlen;
		xy->max_y      = ylen;
	}

	return xy;
}

void xyarray__reset(struct xyarray *xy)
{
	size_t n = xy->entries * xy->entry_size;

	memset(xy->contents, 0, n);
}

void xyarray__delete(struct xyarray *xy)
{
	free(xy);
}