glibc/time/bug-asctime_r.c

33 lines
610 B
C

#include <errno.h>
#include <limits.h>
#include <stdio.h>
#include <time.h>
static int
do_test (void)
{
int result = 0;
time_t t = time (NULL);
struct tm *tp = localtime (&t);
tp->tm_year = 10000 - 1900;
char buf[1000];
errno = 0;
buf[26] = '\xff';
char *s = asctime_r (tp, buf);
if (s != NULL || errno != EOVERFLOW)
{
puts ("asctime_r did not fail correctly");
result = 1;
}
if (buf[26] != '\xff')
{
puts ("asctime_r overwrote 27th byte in buffer");
result = 1;
}
return result;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"