int
foo ()
{
int j;
for (j = 1; 0 < j; j *= 2) /* { dg-warning "assuming signed overflow does not occur" "correct warning" } */
if (! bigtime_test (j))
return 1;
return 0;
}
static int
do_test (void)
{
time_t t, delta;
int i;
unsigned int j;
setenv ("TZ", "America/Sao_Paulo", 1);
/* This test makes some buggy mktime implementations loop.
Give up after 60 seconds; a mktime slower than that
isn't worth using anyway. */
alarm (60);
for (time_t_max = 1; 0 < time_t_max; time_t_max *= 2)
continue;
time_t_max--;
if ((time_t) -1 < 0)
for (time_t_min = -1; (time_t) (time_t_min * 2) < 0; time_t_min *= 2)
continue;
delta = time_t_max / 997; /* a suitable prime number */
for (i = 0; i < N_STRINGS; i++)
{
if (tz_strings[i])
setenv ("TZ", tz_strings[i], 1);
for (t = 0; t <= time_t_max - delta; t += delta)
mktime_test (t);
mktime_test ((time_t) 1);
mktime_test ((time_t) (60 * 60));
mktime_test ((time_t) (60 * 60 * 24));
for (j = 1; j <= INT_MAX; j *= 2)
bigtime_test (j);
bigtime_test (j - 1);
}
irix_6_4_bug ();
spring_forward_gap ();
return 0;
}
