From f80b349d5490aa289b2925d297f3f3c618977570 Mon Sep 17 00:00:00 2001
From: Mike Pall <mike>
Date: Thu, 27 Nov 2025 17:45:17 +0100
Subject: Unify Lua number to FFI integer conversions.

Phew. #1411
---
 src/lib_os.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'src/lib_os.c')

diff --git a/src/lib_os.c b/src/lib_os.c
index ae3fc857..fffc923e 100644
--- a/src/lib_os.c
+++ b/src/lib_os.c
@@ -171,7 +171,8 @@ static int getfield(lua_State *L, const char *key, int d)
 LJLIB_CF(os_date)
 {
   const char *s = luaL_optstring(L, 1, "%c");
-  time_t t = luaL_opt(L, (time_t)luaL_checknumber, 2, time(NULL));
+  time_t t = lua_isnoneornil(L, 2) ? time(NULL) :
+	     lj_num2int_type(luaL_checknumber(L, 2), time_t);
   struct tm *stm;
 #if LJ_TARGET_POSIX
   struct tm rtm;
@@ -253,8 +254,9 @@ LJLIB_CF(os_time)
 
 LJLIB_CF(os_difftime)
 {
-  lua_pushnumber(L, difftime((time_t)(luaL_checknumber(L, 1)),
-			     (time_t)(luaL_optnumber(L, 2, (lua_Number)0))));
+  lua_pushnumber(L,
+    difftime(lj_num2int_type(luaL_checknumber(L, 1), time_t),
+	     lj_num2int_type(luaL_optnumber(L, 2, (lua_Number)0), time_t)));
   return 1;
 }
 
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