9 files changed, 38 insertions, 11 deletions
diff --git a/src/libDDK/DriverKit/c++/checksum.h b/src/libDDK/DriverKit/c++/checksum.h
index 99199f56..f9abf291 100644
--- a/src/libDDK/DriverKit/c++/checksum.h
+++ b/src/libDDK/DriverKit/c++/checksum.h
@@ -7,6 +7,9 @@
 
    ======================================== */
 
-#pragma once
+#ifndef DRIVERKIT_CHECKSUM_H
+#define DRIVERKIT_CHECKSUM_H
 
-/// @todo Driver checksum
-\ No newline at end of file
+/// @todo Driver checksum
+
+#endif
diff --git a/src/libDDK/DriverKit/c++/ddk.h b/src/libDDK/DriverKit/c++/ddk.h
index 65ccb102..f3342352 100644
--- a/src/libDDK/DriverKit/c++/ddk.h
+++ b/src/libDDK/DriverKit/c++/ddk.h
@@ -7,7 +7,10 @@
 
    ======================================== */
 
-#pragma once
+#ifndef DRIVERKIT_DDK_H
+#define DRIVERKIT_DDK_H
 
 #include <DriverKit/c++/checksum.h>
 #include <DriverKit/c++/driver_base.h>
+
+#endif
diff --git a/src/libDDK/DriverKit/c++/driver_base.h b/src/libDDK/DriverKit/c++/driver_base.h
index 28119f49..db967b43 100644
--- a/src/libDDK/DriverKit/c++/driver_base.h
+++ b/src/libDDK/DriverKit/c++/driver_base.h
@@ -7,7 +7,8 @@
 
    ======================================== */
 
-#pragma once
+#ifndef DRIVERKIT_DRIVER_BASE_H
+#define DRIVERKIT_DRIVER_BASE_H
 
 #include <libDDK/DriverKit/macros.h>
 
@@ -45,3 +46,5 @@ concept IsValidDriver = requires(Driver drv) {
   { drv.IsActive() && drv.Type() > kInvalidType };
 };
 }  // namespace Kernel::DDK
+
+#endif
diff --git a/src/libDDK/DriverKit/ddk.h b/src/libDDK/DriverKit/ddk.h
index 45f7d356..19b2869c 100644
--- a/src/libDDK/DriverKit/ddk.h
+++ b/src/libDDK/DriverKit/ddk.h
@@ -7,7 +7,8 @@
 
 ======================================== */
 
-#pragma once
+#ifndef DRIVERKIT_DDK_H
+#define DRIVERKIT_DDK_H
 
 #include <DriverKit/macros.h>
 
@@ -74,3 +75,5 @@ DDK_EXTERN uint32_t kApiVersionLowest;
 
 /// @brief API version in BCD.
 DDK_EXTERN uint32_t kApiVersion;
+
+#endif
diff --git a/src/libDDK/DriverKit/dev.h b/src/libDDK/DriverKit/dev.h
index 1dda544e..f6574022 100644
--- a/src/libDDK/DriverKit/dev.h
+++ b/src/libDDK/DriverKit/dev.h
@@ -7,7 +7,8 @@
 
 ======================================== */
 
-#pragma once
+#ifndef DRIVERKIT_DEV_H
+#define DRIVERKIT_DEV_H
 
 #include <DriverKit/ddk.h>
 
@@ -37,3 +38,5 @@ DDK_EXTERN DDK_DEVICE_PTR kopen_dev(const char* path);
 /// @brief Close any device.
 /// @param device valid device.
 DDK_EXTERN BOOL kclose_dev(DDK_DEVICE_PTR device);
+
+#endif
diff --git a/src/libDDK/DriverKit/io.h b/src/libDDK/DriverKit/io.h
index 58b625ac..c867e898 100644
--- a/src/libDDK/DriverKit/io.h
+++ b/src/libDDK/DriverKit/io.h
@@ -6,7 +6,8 @@
 
 ======================================== */
 
-#pragma once
+#ifndef DRIVERKIT_IO_H
+#define DRIVERKIT_IO_H
 
 #include <DriverKit/str.h>
 
@@ -16,3 +17,5 @@ DDK_EXTERN void kputc(const char ch);
 /// @brief print string to UART.
 /// @param message string to transmit to UART.
 DDK_EXTERN void kprint(const char* message);
+
+#endif
diff --git a/src/libDDK/DriverKit/macros.h b/src/libDDK/DriverKit/macros.h
index 7fd1403b..7e69767d 100644
--- a/src/libDDK/DriverKit/macros.h
+++ b/src/libDDK/DriverKit/macros.h
@@ -7,7 +7,8 @@
 
 ======================================== */
 
-#pragma once
+#ifndef DRIVERKIT_MACROS_H
+#define DRIVERKIT_MACROS_H
 
 #include <stddef.h>
 #include <stdint.h>
@@ -45,4 +46,6 @@
 
 #ifndef __NEOSKRNL__
 #error !!! Do not include header in EL0/Ring 3 mode !!!
-#endif  // __NEOSKRNL__
-\ No newline at end of file
+#endif  // __NEOSKRNL__
+
+#endif
diff --git a/src/libDDK/DriverKit/net.h b/src/libDDK/DriverKit/net.h
index 5dfe6374..f7bda9e6 100644
--- a/src/libDDK/DriverKit/net.h
+++ b/src/libDDK/DriverKit/net.h
@@ -7,10 +7,13 @@
 
 ======================================== */
 
-#pragma once
+#ifndef DRIVERKIT_NET_H
+#define DRIVERKIT_NET_H
 
 #include <DriverKit/macros.h>
 
 struct DDK_NET_MANIFEST;
 
 /// @brief IFS hooks to plug into the FileMgr.
+
+#endif
diff --git a/src/libDDK/DriverKit/str.h b/src/libDDK/DriverKit/str.h
index 6409b1a7..a8fdf89b 100644
--- a/src/libDDK/DriverKit/str.h
+++ b/src/libDDK/DriverKit/str.h
@@ -6,7 +6,8 @@
 
 ======================================== */
 
-#pragma once
+#ifndef DRIVERKIT_STR_H
+#define DRIVERKIT_STR_H
 
 #include <DriverKit/ddk.h>
 
@@ -15,3 +16,5 @@
 
 DDK_EXTERN size_t kstrlen(const char* in);
 DDK_EXTERN int    kstrncpy(char* dst, const char* src, size_t len);
+
+#endif