[update] asctime_r return value.
@@ -239,8 +239,28 @@ 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));
+ /* Checking input validity */
+ if (rt_strlen(days) <= (t->tm_wday << 2) || rt_strlen(months) <= (t->tm_mon << 2))
+ {
+ LOG_W("The input exceeded the limit, please check it.");
+ *(int*) buf = *(int*) days;
+ *(int*) (buf + 4) = *(int*) months;
+ num2str(buf + 8, t->tm_mday);
+ if (buf[8] == '0')
+ buf[8] = ' ';
+ buf[10] = ' ';
+ num2str(buf + 11, t->tm_hour);
+ buf[13] = ':';
+ num2str(buf + 14, t->tm_min);
+ buf[16] = ':';
+ num2str(buf + 17, t->tm_sec);
+ buf[19] = ' ';
+ num2str(buf + 20, 2000 / 100);
+ num2str(buf + 22, 2000 % 100);
+ buf[24] = '\n';
+ buf[25] = '\0';
+ return buf;
+ }
/* "Wed Jun 30 21:49:08 1993\n" */
*(int*) buf = *(int*) (days + (t->tm_wday << 2));
