From be44d4b778bb7c3a947af4cae610ecc3b8851672 Mon Sep 17 00:00:00 2001
From: Lukas Oesch <lukasoesch20@gmail.com>
Date: Fri, 20 Mar 2026 22:27:26 +0100
Subject: use kstd::shared_ptr instead of std::optional for
 open_file_descriptions

---
 kernel/include/kernel/filesystem/file_descriptor_table.hpp | 10 ++++------
 kernel/include/kernel/filesystem/vfs.hpp                   |  2 +-
 2 files changed, 5 insertions(+), 7 deletions(-)

(limited to 'kernel/include')

diff --git a/kernel/include/kernel/filesystem/file_descriptor_table.hpp b/kernel/include/kernel/filesystem/file_descriptor_table.hpp
index 6d78532..bc6fb24 100644
--- a/kernel/include/kernel/filesystem/file_descriptor_table.hpp
+++ b/kernel/include/kernel/filesystem/file_descriptor_table.hpp
@@ -3,10 +3,9 @@
 
 #include "open_file_description.hpp"
 
+#include <kstd/memory>
 #include <kstd/vector>
 
-#include <optional>
-
 namespace filesystem
 {
   struct file_descriptor_table
@@ -16,15 +15,14 @@ namespace filesystem
 
     ~file_descriptor_table() = default;
 
-    auto add_file(open_file_description & f) -> int;
-    [[nodiscard]] auto get_file(int fd) const -> std::optional<open_file_description>;
+    auto add_file(kstd::shared_ptr<open_file_description> const & f) -> int;
+    [[nodiscard]] auto get_file(int fd) const -> kstd::shared_ptr<open_file_description>;
     auto remove_file(int fd) -> void;
 
   private:
     file_descriptor_table() = default;
 
-    // TODO BA-FS26 use kstd::shared_ptr when available
-    kstd::vector<std::optional<open_file_description>> m_open_files{};
+    kstd::vector<kstd::shared_ptr<open_file_description>> m_open_files{};
   };
 }  // namespace filesystem
 
diff --git a/kernel/include/kernel/filesystem/vfs.hpp b/kernel/include/kernel/filesystem/vfs.hpp
index 2ad570b..ca51d90 100644
--- a/kernel/include/kernel/filesystem/vfs.hpp
+++ b/kernel/include/kernel/filesystem/vfs.hpp
@@ -23,7 +23,7 @@ namespace filesystem
 
     ~vfs() = default;
 
-    auto open(std::string_view path) -> std::optional<open_file_description>;
+    auto open(std::string_view path) -> kstd::shared_ptr<open_file_description>;
     auto do_mount(std::string_view path, kstd::shared_ptr<filesystem> const & filesystem) -> int;
 
   private:
-- 
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