From 295d45fb26de56498782c94594f31b97aef744ef Mon Sep 17 00:00:00 2001
From: Mike Pall <mike>
Date: Thu, 25 Jun 2026 11:59:34 +0200
Subject: Make check in os.time() consistent.

Thanks to Temir Galeev. #1470
---
 src/lib_os.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lib_os.c b/src/lib_os.c
index 4715e64cd..dac232ad2 100644
--- a/src/lib_os.c
+++ b/src/lib_os.c
@@ -224,6 +224,7 @@ LJLIB_CF(os_date)
 LJLIB_CF(os_time)
 {
   time_t t;
+  errno = 0;
   if (lua_isnoneornil(L, 1)) {  /* called without args? */
     t = time(NULL);  /* get current time */
   } else {
@@ -237,7 +238,6 @@ 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) && errno != 0)
-- 
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