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#include <stdio.h>
#include <stdlib.h>
#include <time.h>
static struct
{
const char *fmt;
size_t min;
size_t max;
} tests[] =
{
{ "%2000Y", 2000, 4000 },
{ "%02000Y", 2000, 4000 },
{ "%_2000Y", 2000, 4000 },
{ "%-2000Y", 2000, 4000 },
};
#define ntests (sizeof (tests) / sizeof (tests[0]))
static int
do_test (void)
{
size_t cnt;
int result = 0;
time_t tnow = time (NULL);
struct tm *now = localtime (&tnow);
for (cnt = 0; cnt < ntests; ++cnt)
{
size_t size = 0;
int res;
char *buf = NULL;
do
{
size += 500;
buf = (char *) realloc (buf, size);
if (buf == NULL)
{
puts ("out of memory");
exit (1);
}
res = strftime (buf, size, tests[cnt].fmt, now);
if (res != 0)
break;
}
while (size < tests[cnt].max);
if (res == 0)
{
printf ("%Zu: %s: res == 0 despite size == %Zu\n",
cnt, tests[cnt].fmt, size);
result = 1;
}
else if (size < tests[cnt].min)
{
printf ("%Zu: %s: size == %Zu was enough\n",
cnt, tests[cnt].fmt, size);
result = 1;
}
else
printf ("%Zu: %s: size == %Zu: OK\n", cnt, tests[cnt].fmt, size);
free (buf);
}
return result;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
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