// SPDX-License-Identifier: GPL-2.0
#include <internal/xyarray.h>
#include <linux/zalloc.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);
}