From d9a653e66d3e7ce3a93219626b281d727e51e2a9 Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@ost.ch>
Date: Mon, 16 Mar 2026 09:37:47 +0100
Subject: kernel/memory: clean up new/delete implementations

---
 kernel/src/memory/operators.cpp | 65 +++++++++++++++++++++++++++++++----------
 1 file changed, 49 insertions(+), 16 deletions(-)

diff --git a/kernel/src/memory/operators.cpp b/kernel/src/memory/operators.cpp
index 1422133..57e31e6 100644
--- a/kernel/src/memory/operators.cpp
+++ b/kernel/src/memory/operators.cpp
@@ -5,10 +5,15 @@
 #include <cstddef>
 #include <new>
 
-[[nodiscard]] auto operator new(std::size_t size) -> void *
+[[nodiscard]] auto operator new(std::size_t size, std::align_val_t alignment, std::nothrow_t const &) noexcept -> void *
 {
   auto & allocator = kernel::memory::get_heap_allocator();
-  auto pointer = allocator.allocate(size, std::align_val_t{__STDCPP_DEFAULT_NEW_ALIGNMENT__});
+  return allocator.allocate(size, alignment);
+}
+
+[[nodiscard]] auto operator new(std::size_t size, std::align_val_t alignment) -> void *
+{
+  auto pointer = operator new(size, alignment, std::nothrow);
 
   if (pointer == nullptr)
   {
@@ -18,22 +23,35 @@
   return pointer;
 }
 
-[[nodiscard]] auto operator new[](std::size_t size) -> void *
+[[nodiscard]] auto operator new(std::size_t size, std::nothrow_t const &) noexcept -> void *
 {
-  return ::operator new(size);
+  return operator new(size, std::align_val_t{__STDCPP_DEFAULT_NEW_ALIGNMENT__}, std::nothrow);
 }
 
-[[nodiscard]] auto operator new(std::size_t size, std::align_val_t alignment) -> void *
+[[nodiscard]] auto operator new(std::size_t size) -> void *
 {
-  auto & allocator = kernel::memory::get_heap_allocator();
-  auto pointer = allocator.allocate(size, alignment);
+  return operator new(size, std::align_val_t{__STDCPP_DEFAULT_NEW_ALIGNMENT__});
+}
 
-  if (pointer == nullptr)
-  {
-    kapi::system::panic("[OS:Heap] Out of memory!");
-  }
+[[nodiscard]] auto operator new[](std::size_t size, std::align_val_t alignment, std::nothrow_t const &) noexcept
+    -> void *
+{
+  return operator new(size, alignment, std::nothrow);
+}
 
-  return pointer;
+[[nodiscard]] auto operator new[](std::size_t size, std::align_val_t alignment) -> void *
+{
+  return operator new(size, alignment);
+}
+
+[[nodiscard]] auto operator new[](std::size_t size, std::nothrow_t const &) noexcept -> void *
+{
+  return ::operator new(size);
+}
+
+[[nodiscard]] auto operator new[](std::size_t size) -> void *
+{
+  return ::operator new(size);
 }
 
 auto operator delete(void * pointer) noexcept -> void
@@ -45,7 +63,17 @@ auto operator delete(void * pointer) noexcept -> void
   }
 }
 
-auto operator delete(void * pointer, [[maybe_unused]] std::size_t size) noexcept -> void
+auto operator delete(void * pointer, std::size_t) noexcept -> void
+{
+  ::operator delete(pointer);
+}
+
+auto operator delete(void * pointer, std::align_val_t) noexcept -> void
+{
+  ::operator delete(pointer);
+}
+
+auto operator delete(void * pointer, std::size_t, std::align_val_t) noexcept -> void
 {
   ::operator delete(pointer);
 }
@@ -55,12 +83,17 @@ auto operator delete[](void * pointer) noexcept -> void
   ::operator delete(pointer);
 }
 
-auto operator delete[](void * pointer, [[maybe_unused]] std::size_t size) noexcept -> void
+auto operator delete[](void * pointer, std::size_t) noexcept -> void
 {
   ::operator delete(pointer);
 }
 
-auto operator delete(void * pointer, [[maybe_unused]] std::align_val_t alignment) noexcept -> void
+auto operator delete[](void * pointer, std::align_val_t) noexcept -> void
 {
   ::operator delete(pointer);
-}
\ No newline at end of file
+}
+
+auto operator delete[](void * pointer, std::size_t, std::align_val_t) noexcept -> void
+{
+  ::operator delete(pointer);
+}
-- 
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