From 57dd0fdcf6cb1885b430f2c2361b2d98cbe5f552 Mon Sep 17 00:00:00 2001
From: NishiOwO <nishi@nishi.boats>
Date: Fri, 21 Nov 2025 23:34:20 +0000
Subject: [PATCH] fix double free

git-svn-id: http://svn2.nishi.boats/svn/milsko/trunk@772 b9cfdab3-6d41-4d17-bbe4-086880011989
---
 src/core.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/core.c b/src/core.c
index fbc177e..074145e 100644
--- a/src/core.c
+++ b/src/core.c
@@ -237,7 +237,13 @@ static void MwFreeWidget(MwWidget handle) {
 
 void MwDestroyWidget(MwWidget handle) {
 	if(handle->parent != NULL) {
-		arrput(handle->parent->destroy_queue, handle);
+		int i;
+		for(i = 0; i < arrlen(handle->parent->destroy_queue); i++){
+			if(handle->parent->destroy_queue[i] == handle) break;
+		}
+		if(i == arrlen(handle->parent->destroy_queue)){
+			arrput(handle->parent->destroy_queue, handle);
+		}
 	}
 	handle->destroyed = 1;
 }