From 8a11512eb8030de09ed806d8b40b7f54c2f204ab Mon Sep 17 00:00:00 2001
From: Marcel Braun <marcel.braun@ost.ch>
Date: Mon, 11 May 2026 14:48:46 +0200
Subject: Refactor get_full_path remove recursion

---
 kernel/src/filesystem/dentry.cpp | 34 +++++++++++++++++++++++++---------
 1 file changed, 25 insertions(+), 9 deletions(-)

diff --git a/kernel/src/filesystem/dentry.cpp b/kernel/src/filesystem/dentry.cpp
index 1cf8730..a3bd7f4 100644
--- a/kernel/src/filesystem/dentry.cpp
+++ b/kernel/src/filesystem/dentry.cpp
@@ -6,6 +6,7 @@
 
 #include <kstd/memory>
 #include <kstd/string>
+#include <kstd/vector>
 
 #include <algorithm>
 #include <cstdint>
@@ -39,20 +40,35 @@ namespace kernel::filesystem
     return m_name.view();
   }
 
-  // NOLINTNEXTLINE(misc-no-recursion)
   auto dentry::get_full_path() const -> kstd::string
   {
-    if (m_parent)
+    if (m_name == "/")
     {
-      auto parent_path = m_parent->get_full_path();
-      if (parent_path != "/")
-      {
-        parent_path += '/';
-      }
-      return parent_path + m_name.view();
+      return "/";
     }
 
-    return m_name.view();
+    kstd::vector<std::string_view> components;
+    components.push_back(m_name.view());
+    components.push_back("/");
+
+    auto parent = m_parent;
+
+    while (parent && parent->m_name != "/")
+    {
+      components.push_back(parent->m_name.view());
+      components.push_back("/");
+      parent = parent->get_parent();
+    }
+
+    std::ranges::reverse(components);
+
+    kstd::string full_path = "";
+    for (auto const & view : components)
+    {
+      full_path += view;
+    }
+
+    return full_path;
   }
 
   auto dentry::add_child(kstd::shared_ptr<dentry> const & child) -> void
-- 
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