From 5aa41b436b3fdf29f5a0046c68cb60b16fa09eb2 Mon Sep 17 00:00:00 2001
From: Li Jin <dragon-fly@qq.com>
Date: Fri, 30 Sep 2022 11:29:41 +0800
Subject: fix issue #81, refactor continue with gotos.

---
 src/3rdParty/lua/loslib.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

(limited to 'src/3rdParty/lua/loslib.c')

diff --git a/src/3rdParty/lua/loslib.c b/src/3rdParty/lua/loslib.c
index 3e20d62..854dcf6 100644
--- a/src/3rdParty/lua/loslib.c
+++ b/src/3rdParty/lua/loslib.c
@@ -260,9 +260,7 @@ static int getfield (lua_State *L, const char *key, int d, int delta) {
     res = d;
   }
   else {
-    /* unsigned avoids overflow when lua_Integer has 32 bits */
-    if (!(res >= 0 ? (lua_Unsigned)res <= (lua_Unsigned)INT_MAX + delta
-                   : (lua_Integer)INT_MIN + delta <= res))
+    if (!(res >= 0 ? res - delta <= INT_MAX : INT_MIN + delta <= res))
       return luaL_error(L, "field '%s' is out-of-bound", key);
     res -= delta;
   }
-- 
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