[mirror_ubuntu-eoan-kernel.git] / tools / perf / util / xyarray.c

// SPDX-License-Identifier: GPL-2.0
#include "xyarray.h"
#include "util.h"
#include <stdlib.h>
#include <string.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);
}
Commit	Line	Data
b2441318	1	// SPDX-License-Identifier: GPL-2.0
69aad6f1 ACM	2	#include "xyarray.h"
69aad6f1 ACM	3	#include "util.h"
72f7c4d2 ACM	4	#include <stdlib.h>
72f7c4d2 ACM	5	#include <string.h>
69aad6f1 ACM	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;
b45f65e8	15	xy->entries = xlen * ylen;
d74be476 AK	16	xy->max_x = xlen;
d74be476 AK	17	xy->max_y = ylen;
69aad6f1 ACM	18	}
	19
	20	return xy;
	21	}
	22
b45f65e8 JO	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
69aad6f1 ACM	30	void xyarray__delete(struct xyarray *xy)
	31	{
	32	free(xy);
	33	}