#include <string.h>
#ifndef MAX_OFFSET
#define MAX_OFFSET (sizeof (long long))
#endif
#ifndef MAX_COPY
#define MAX_COPY (10 * sizeof (long long))
#endif
#ifndef MAX_EXTRA
#define MAX_EXTRA (sizeof (long long))
#endif
#define MAX_LENGTH (MAX_OFFSET + MAX_COPY + MAX_EXTRA)
static union {
char buf[MAX_LENGTH];
long long align_int;
long double align_fp;
} u;
char A = 'A';
main ()
{
int off, len, i;
char *p, *q;
for (off = 0; off < MAX_OFFSET; off++)
for (len = 1; len < MAX_COPY; len++)
{
for (i = 0; i < MAX_LENGTH; i++)
u.buf[i] = 'a';
p = memset (u.buf + off, '\0', len);
if (p != u.buf + off)
abort ();
q = u.buf;
for (i = 0; i < off; i++, q++)
if (*q != 'a')
abort ();
for (i = 0; i < len; i++, q++)
if (*q != '\0')
abort ();
for (i = 0; i < MAX_EXTRA; i++, q++)
if (*q != 'a')
abort ();
p = memset (u.buf + off, A, len);
if (p != u.buf + off)
abort ();
q = u.buf;
for (i = 0; i < off; i++, q++)
if (*q != 'a')
abort ();
for (i = 0; i < len; i++, q++)
if (*q != 'A')
abort ();
for (i = 0; i < MAX_EXTRA; i++, q++)
if (*q != 'a')
abort ();
p = memset (u.buf + off, 'B', len);
if (p != u.buf + off)
abort ();
q = u.buf;
for (i = 0; i < off; i++, q++)
if (*q != 'a')
abort ();
for (i = 0; i < len; i++, q++)
if (*q != 'B')
abort ();
for (i = 0; i < MAX_EXTRA; i++, q++)
if (*q != 'a')
abort ();
}
exit (0);
}