#include <string.h>

#include <stdlib.h>

#include <stdint.h>

#include "test.h"

static char buf[512];

static void *(*volatile pmemset)(void *, int, size_t);

static void *aligned(void *p)

{

	return (void*)(((uintptr_t)p + 63) & -64U);

}

#define N 80

static void test_align(int align, int len)

{

	char *s = aligned(buf);

	char *want = aligned(buf + 256);

	char *p;

	int i;

	if (align + len > N)

		abort();

	for (i = 0; i < N; i++)

		s[i] = want[i] = ' ';

	for (i = 0; i < len; i++)

		want[align+i] = '#';

	p = pmemset(s+align, '#', len);

	if (p != s+align)

		t_error("memset(%p,...) returned %p\n", s+align, p);

	for (i = 0; i < N; i++)

		if (s[i] != want[i]) {

			t_error("memset(align %d, '#', %d) failed\n", align, len);

			t_printf("got : %.*s\n", align+len+1, s);

			t_printf("want: %.*s\n", align+len+1, want);

			break;

		}

}

static void test_value(int c)

{

	int i;

	pmemset(buf, c, 10);

	for (i = 0; i < 10; i++)

		if ((unsigned char)buf[i] != (unsigned char)c) {

			t_error("memset(%d) failed: got %d\n", c, buf[i]);

			break;

		}

}

int main(void)

{

	int i,j,k;

	pmemset = memset;

	for (i = 0; i < 16; i++)

		for (j = 0; j < 64; j++)

			test_align(i,j);

	test_value('c');

	test_value(0);

	test_value(-1);

	test_value(-5);

	test_value(0xab);

	return t_status;

}