Fix corner case of os.time().

Thanks to Temir Galeev. #1470
2026-06-13 10:59:29 +02:00 · 2026-06-13 10:59:29 +02:00 · 72d2061ae2
commit 72d2061ae2
parent c3b379bf50
1 changed files with 2 additions and 1 deletions
--- a/src/lib_os.c
+++ b/src/lib_os.c
@ -237,9 +237,10 @@ LJLIB_CF(os_time)
    ts.tm_mon = (int)((unsigned int)getfield(L, "month", -1) - 1u);
    ts.tm_year = (int)((unsigned int)getfield(L, "year", -1) - 1900u);
    ts.tm_isdst = getboolfield(L, "isdst");
+    errno = 0;
    t = mktime(&ts);
  }
-  if (t == (time_t)(-1))
+  if (t == (time_t)(-1) && errno != 0)
    lua_pushnil(L);
  else
    lua_pushnumber(L, (lua_Number)t);