From 8988ce2766a28aecb260579d0a826722c247963c Mon Sep 17 00:00:00 2001
From: Bananymous <bananymousosq@gmail.com>
Date: Sat, 1 Apr 2023 01:33:04 +0300
Subject: [PATCH] Kernel: Add inodes '.' and '..' to device manager

---
 kernel/kernel/DeviceManager.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/kernel/kernel/DeviceManager.cpp b/kernel/kernel/DeviceManager.cpp
index b5f0d592..fe8fdaf3 100644
--- a/kernel/kernel/DeviceManager.cpp
+++ b/kernel/kernel/DeviceManager.cpp
@@ -87,6 +87,8 @@ namespace Kernel
 	BAN::ErrorOr<BAN::RefPtr<Inode>> DeviceManager::read_directory_inode(BAN::StringView name)
 	{
 		LockGuard _(m_lock);
+		if (name == "."sv || name == ".."sv)
+			return BAN::RefPtr<Inode>(this);
 		for (Device* device : m_devices)
 			if (device->name() == name)
 				return BAN::RefPtr<Inode>(device);
@@ -100,9 +102,11 @@ namespace Kernel
 			return result;
 
 		LockGuard _(m_lock);
-		TRY(result.reserve(m_devices.size()));
+		TRY(result.reserve(m_devices.size() + 2));
+		MUST(result.emplace_back("."sv));
+		MUST(result.emplace_back(".."sv));
 		for (Device* device : m_devices)
-			TRY(result.emplace_back(device->name()));
+			MUST(result.emplace_back(device->name()));
 		return result;
 	}