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

#include "xyarray.h"
#include "util.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;
	}

	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
69aad6f1 ACM	1	#include "xyarray.h"
	2	#include "util.h"
	3
	4	struct xyarray *xyarray__new(int xlen, int ylen, size_t entry_size)
	5	{
	6	size_t row_size = ylen * entry_size;
	7	struct xyarray xy = zalloc(sizeof(xy) + xlen * row_size);
	8
	9	if (xy != NULL) {
	10	xy->entry_size = entry_size;
	11	xy->row_size = row_size;
b45f65e8	12	xy->entries = xlen * ylen;
69aad6f1 ACM	13	}
	14
	15	return xy;
	16	}
	17
b45f65e8 JO	18	void xyarray__reset(struct xyarray *xy)
	19	{
	20	size_t n = xy->entries * xy->entry_size;
	21
	22	memset(xy->contents, 0, n);
	23	}
	24
69aad6f1 ACM	25	void xyarray__delete(struct xyarray *xy)
	26	{
	27	free(xy);
	28	}