From b152b383a2fd7706834b4f2a8752e7059a302d43 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=8E=E9=80=9A=E6=B4=B2?= <carter.li@eoitek.com>
Date: Fri, 20 Dec 2024 13:43:30 +0800
Subject: [PATCH] Bluetooth (Windows): optimise

1. don't report disconnected devices if `showDisconnected == false`
2. don't report unknown devices
3. don't report errors when no devices found
---
 src/detection/bluetooth/bluetooth_windows.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/detection/bluetooth/bluetooth_windows.c b/src/detection/bluetooth/bluetooth_windows.c
index d59a31623..5da75fc83 100644
--- a/src/detection/bluetooth/bluetooth_windows.c
+++ b/src/detection/bluetooth/bluetooth_windows.c
@@ -20,13 +20,14 @@ const char* ffDetectBluetooth(FFBluetoothOptions* options, FFlist* devices /* FF
     };
     HBLUETOOTH_DEVICE_FIND hFind = ffBluetoothFindFirstDevice(&(BLUETOOTH_DEVICE_SEARCH_PARAMS) {
         .fReturnConnected = TRUE,
-        .fReturnRemembered = TRUE,
-        .fReturnAuthenticated = TRUE,
-        .fReturnUnknown = TRUE,
+        .fReturnRemembered = options->showDisconnected,
+        .fReturnAuthenticated = options->showDisconnected,
         .dwSize = sizeof(BLUETOOTH_DEVICE_SEARCH_PARAMS)
     }, &btdi);
     if(!hFind)
     {
+        if (GetLastError() == ERROR_NO_MORE_ITEMS)
+            return NULL;
         return "BluetoothFindFirstDevice() failed";
     }