[update] enable asctime_r function parameter legal.
@@ -239,6 +239,9 @@ RTM_EXPORT(mktime);
char* asctime_r(const struct tm *t, char *buf)
{
+ RT_ASSERT(rt_strlen(days) > (t->tm_wday << 2));
+ RT_ASSERT(rt_strlen(months) > (t->tm_mon << 2));
+
/* "Wed Jun 30 21:49:08 1993\n" */
*(int*) buf = *(int*) (days + (t->tm_wday << 2));
*(int*) (buf + 4) = *(int*) (months + (t->tm_mon << 2));
