#include <string.h>

#include <stdlib.h>

#include <stdint.h>

#include "test.h"

#define N 500

static char buf[N];

static char buf2[N];

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

static char *aligned(void *p)

{

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

}

static void test_align(int align, int len)

{

	char *s = aligned(buf+64) + align;

	char *want = aligned(buf2+64) + align;

	char *p;

	int i;

	if (len + 64 > buf + N - s || len + 64 > buf2 + N - want)

		abort();

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

		buf[i] = buf2[i] = ' ';

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

		want[i] = '#';

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

	if (p != s)

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

	for (i = -64; i < len+64; i++)

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

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

			t_printf("got : '%.*s'\n", len+128, s-64);

			t_printf("want: '%.*s'\n", len+128, want-64);

			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 < 64; i++)

		for (j = 0; j < N-200; j++)

			test_align(i,j);

	test_value('c');

	test_value(0);

	test_value(-1);

	test_value(-5);

	test_value(0xab);

	return t_status;

}