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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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12345678910111213141516171819202122232425262728293031323334// 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);}