feat! breaking API changes, use header guards and libSystem fixes.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>

6 files changed, 25 insertions, 7 deletions

diff --git a/src/kernel/KernelKit/PCI/DMA.h b/src/kernel/KernelKit/PCI/DMA.h
index d965a3c9..6ca34e0d 100644
--- a/src/kernel/KernelKit/PCI/DMA.h
+++ b/src/kernel/KernelKit/PCI/DMA.h
@@ -4,7 +4,8 @@
 
 ======================================== */
 
-#pragma once
+#ifndef KERNELKIT_DMA_H
+#define KERNELKIT_DMA_H
 
 #include <KernelKit/DeviceMgr.h>
 #include <KernelKit/PCI/Device.h>
@@ -73,3 +74,5 @@ class DMAFactory final {
 }  // namespace Kernel
 
 #include <KernelKit/PCI/DMA.inl>
+
+#endif
diff --git a/src/kernel/KernelKit/PCI/Database.h b/src/kernel/KernelKit/PCI/Database.h
index 35740fdc..adde60b6 100644
--- a/src/kernel/KernelKit/PCI/Database.h
+++ b/src/kernel/KernelKit/PCI/Database.h
@@ -3,7 +3,8 @@
   Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
 
 ======================================== */
-#pragma once
+#ifndef KERNELKIT_DATABASE_H
+#define KERNELKIT_DATABASE_H
 
 #include <KernelKit/PCI/Device.h>
 #include <NeKit/Config.h>
@@ -48,4 +49,6 @@ inline BOOL operator!=(Kernel::UChar lhs, const Kernel::Types::PciDeviceKind& rh
 
 inline BOOL operator==(Kernel::UChar lhs, const Kernel::Types::PciDeviceKind& rhs) {
   return lhs == (Kernel::UChar) rhs;
-}
\ No newline at end of file
+}
+
+#endif
diff --git a/src/kernel/KernelKit/PCI/Device.h b/src/kernel/KernelKit/PCI/Device.h
index 3e7284de..e585029d 100644
--- a/src/kernel/KernelKit/PCI/Device.h
+++ b/src/kernel/KernelKit/PCI/Device.h
@@ -4,7 +4,8 @@
 
 ======================================== */
 
-#pragma once
+#ifndef KERNELKIT_DEVICE_H
+#define KERNELKIT_DEVICE_H
 
 #include <NeKit/Config.h>
 #include <NeKit/KernelPanic.h>
@@ -73,3 +74,5 @@ class Device final {
   UInt32 fBar;
 };
 }  // namespace Kernel::PCI
+
+#endif
diff --git a/src/kernel/KernelKit/PCI/Express.h b/src/kernel/KernelKit/PCI/Express.h
index b3411938..e33f9a5d 100644
--- a/src/kernel/KernelKit/PCI/Express.h
+++ b/src/kernel/KernelKit/PCI/Express.h
@@ -4,9 +4,12 @@
 
 ======================================== */
 
-#pragma once
+#ifndef KERNELKIT_EXPRESS_H
+#define KERNELKIT_EXPRESS_H
 
 #include <KernelKit/PCI/PCI.h>
 #include <NeKit/Config.h>
 
 #define PCI_EXPRESS_BUS_COUNT (4096)
+
+#endif
diff --git a/src/kernel/KernelKit/PCI/IO.h b/src/kernel/KernelKit/PCI/IO.h
index dc9f9aa1..65cbf28e 100644
--- a/src/kernel/KernelKit/PCI/IO.h
+++ b/src/kernel/KernelKit/PCI/IO.h
@@ -4,7 +4,8 @@
 
 ======================================== */
 
-#pragma once
+#ifndef KERNELKIT_IO_H
+#define KERNELKIT_IO_H
 
 #include <ArchKit/ArchKit.h>
 #include <NeKit/Array.h>
@@ -61,3 +62,5 @@ inline Array<UShort, Sz> make_ports(UShort base) {
 #else
 #error Please provide platform specific code for the I/O
 #endif  // ifdef __NE_AMD64__
+
+#endif
diff --git a/src/kernel/KernelKit/PCI/PCI.h b/src/kernel/KernelKit/PCI/PCI.h
index a60145fd..d57478e8 100644
--- a/src/kernel/KernelKit/PCI/PCI.h
+++ b/src/kernel/KernelKit/PCI/PCI.h
@@ -4,7 +4,8 @@
 
 ======================================== */
 
-#pragma once
+#ifndef KERNELKIT_PCI_H
+#define KERNELKIT_PCI_H
 
 #include <NeKit/Config.h>
 
@@ -52,3 +53,5 @@ class BAR {
   Detail::BAR BAR5;
 };
 }  // namespace Kernel::PCI
+
+#endif