File add_missing_cur_gc.patch of Package lua-luasql

From 10ed75b36bf909f57b3c1a070dd87669c323cff0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1s=20Guisasola?= <tomas@puc-rio.br>
Date: Mon, 7 Jul 2025 20:59:39 -0300
Subject: [PATCH] Solving issue #178, missing cur_gc

---
 src/ls_odbc.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/ls_odbc.c b/src/ls_odbc.c
index 1a7f768..565b216 100644
--- a/src/ls_odbc.c
+++ b/src/ls_odbc.c
@@ -483,6 +483,16 @@ static int cur_fetch (lua_State *L)
 	}
 }
 
+/*
+** Cursor object collector function
+*/
+static int cur_gc (lua_State *L) {
+	cur_data *cur = (cur_data *) luaL_checkudata (L, 1, LUASQL_CURSOR_ODBC);
+	if (cur != NULL && !(cur->closed))
+		cur_shut(L, cur);
+	return 0;
+}
+
 /*
 ** Closes a cursor.
 */