[includes] replace header guards with #pragma once

include/app.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __APP_H
+#pragma once
-#define __APP_H
 
 #include <stddef.h>
 #include <lk/compiler.h>
@@ -40,5 +39,3 @@ struct app_descriptor {
 
 __END_CDECLS
 
-#endif
-

include/arch.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __ARCH_H
+#pragma once
-#define __ARCH_H
 
 #include <lk/compiler.h>
 #include <sys/types.h>
@@ -24,4 +23,3 @@ __END_CDECLS
 /* arch specific bits */
 #include <arch/defines.h>
 
-#endif

include/arch/ops.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __ARCH_OPS_H
+#pragma once
-#define __ARCH_OPS_H
 
 #ifndef ASSEMBLY
 
@@ -57,4 +56,3 @@ __END_CDECLS
 
 #include <arch/arch_ops.h>
 
-#endif

include/arch/thread.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __ARCH_THREAD_H
+#pragma once
-#define __ARCH_THREAD_H
 
 // give the arch code a chance to declare the arch_thread struct
 #include <arch/arch_thread.h>
@@ -16,4 +15,3 @@ struct thread;
 void arch_thread_initialize(struct thread *);
 void arch_context_switch(struct thread *oldthread, struct thread *newthread);
 
-#endif

include/dev/accelerometer.h

@@ -5,8 +5,8 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __DEV_ACCELEROMETER_H
+#pragma once
-#define __DEV_ACCELEROMETER_H
+
 typedef struct {
     double x;
     double y;
@@ -15,4 +15,3 @@ typedef struct {
 
 status_t acc_read_xyz(position_vector_t *pos_vector);
 
-#endif

include/dev/class/block.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __DEV_CLASS_BLOCK_H
+#pragma once
-#define __DEV_CLASS_BLOCK_H
 
 #include <lk/compiler.h>
 #include <dev/driver.h>
@@ -34,5 +33,3 @@ status_t class_block_flush(struct device *dev);
 
 __END_CDECLS
 
-#endif
-

include/dev/class/fb.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __DEV_CLASS_FB_H
+#pragma once
-#define __DEV_CLASS_FB_H
 
 #include <lk/compiler.h>
 #include <dev/driver.h>
@@ -38,6 +37,3 @@ status_t class_fb_update_region(struct device *dev, size_t x, size_t y, size_t w
 
 __END_CDECLS
 
-#endif
-
-

include/dev/class/i2c.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __DEV_CLASS_I2C_H
+#pragma once
-#define __DEV_CLASS_I2C_H
 
 #include <lk/compiler.h>
 #include <dev/driver.h>
@@ -31,4 +30,3 @@ status_t class_i2c_read_reg(struct device *dev, uint8_t addr, uint8_t reg, void
 
 __END_CDECLS
 
-#endif

include/dev/class/netif.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __DEV_CLASS_NETIF_H
+#pragma once
-#define __DEV_CLASS_NETIF_H
 
 #include <lk/list.h>
 #include <lk/compiler.h>
@@ -47,5 +46,3 @@ status_t class_netstack_wait_for_network(lk_time_t timeout);
 
 __END_CDECLS
 
-#endif
-

include/dev/class/spi.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __DEV_CLASS_SPI_H
+#pragma once
-#define __DEV_CLASS_SPI_H
 
 #include <lk/compiler.h>
 #include <dev/driver.h>
@@ -40,5 +39,3 @@ ssize_t class_spi_transaction(struct device *dev, struct spi_transaction *txn, s
 
 __END_CDECLS
 
-#endif
-

include/dev/class/uart.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __DEV_CLASS_UART_H
+#pragma once
-#define __DEV_CLASS_UART_H
 
 #include <dev/driver.h>
 
@@ -22,5 +21,3 @@ struct uart_ops {
 ssize_t class_uart_read(struct device *dev, void *buf, size_t len);
 ssize_t class_uart_write(struct device *dev, const void *buf, size_t len);
 
-#endif
-

include/dev/display.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __DEV_DISPLAY_H
+#pragma once
-#define __DEV_DISPLAY_H
 
 #include <stdbool.h>
 #include <sys/types.h>
@@ -73,4 +72,3 @@ __NONNULL((1));
 
 __END_CDECLS
 
-#endif

include/dev/driver.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __DEV_DRIVER_H
+#pragma once
-#define __DEV_DRIVER_H
 
 #include <sys/types.h>
 #include <lk/list.h> // for containerof
@@ -117,5 +116,3 @@ status_t device_resume(struct device *dev);
 
 __END_CDECLS
 
-#endif
-

include/dev/ethernet.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __DEV_ETHERNET_H
+#pragma once
-#define __DEV_ETHERNET_H
 
 #include <sys/types.h>
 
@@ -22,4 +21,3 @@ int ethernet_send(void *data, unsigned length);
 
 status_t ethernet_init(void); /* initialize the ethernet device */
 
-#endif

include/dev/fbcon.h

@@ -25,9 +25,7 @@
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
-
+#pragma once
-#ifndef __DEV_FBCON_H
-#define __DEV_FBCON_H
 
 #define FB_FORMAT_RGB565 0
 
@@ -46,4 +44,3 @@ struct fbcon_config {
 void fbcon_setup(struct fbcon_config *cfg);
 void fbcon_putc(char c);
 
-#endif /* __DEV_FBCON_H */

include/dev/flash_nor.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __DEV_FLASH_NOR_H
+#pragma once
-#define __DEV_FLASH_NOR_H
 
 #include <sys/types.h>
 
@@ -21,5 +20,3 @@ struct flash_nor_bank {
 
 const struct flash_nor_bank *flash_nor_get_bank(unsigned int bank);
 
-#endif
-

include/dev/gpio.h

@@ -26,9 +26,7 @@
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
-
+#pragma once
-#ifndef __DEV_GPIO_H
-#define __DEV_GPIO_H
 
 enum gpio_flags {
     GPIO_INPUT      = (1 << 0),
@@ -50,4 +48,3 @@ int gpio_config(unsigned nr, unsigned flags);
 void gpio_set(unsigned nr, unsigned on);
 int gpio_get(unsigned nr);
 
-#endif

include/dev/gpio_i2c.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __GPIO_I2C__
+#pragma once
-#define __GPIO_I2C__
 
 #include <stdint.h>
 #include <dev/i2c.h>
@@ -38,4 +37,3 @@ status_t gpio_i2c_receive(int, uint8_t, void *, size_t);
 status_t gpio_i2c_write_reg_bytes(int, uint8_t, uint8_t, const uint8_t *, size_t);
 status_t gpio_i2c_read_reg_bytes(int, uint8_t, uint8_t, uint8_t *, size_t);
 
-#endif  // __GPIO_I2C__

include/dev/gpio_keypad.h

@@ -28,9 +28,7 @@
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
-
+#pragma once
-#ifndef __DEV_GPIO_KEYPAD_H
-#define __DEV_GPIO_KEYPAD_H
 
 #include <sys/types.h>
 
@@ -53,4 +51,3 @@ struct gpio_keypad_info {
 
 void gpio_keypad_init(struct gpio_keypad_info *kpinfo);
 
-#endif /* __DEV_GPIO_KEYPAD_H */

include/dev/i2c.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __DEV_I2C_H
+#pragma once
-#define __DEV_I2C_H
 
 #include <stdint.h>
 
@@ -40,5 +39,3 @@ static inline status_t i2c_write_reg(int bus, uint8_t address, uint8_t reg, uint
 static inline status_t i2c_read_reg(int bus, uint8_t address, uint8_t reg, uint8_t *val) {
     return i2c_read_reg_bytes(bus, address, reg, val, 1);
 }
-#endif
-

include/dev/keys.h

@@ -29,8 +29,7 @@
  * SUCH DAMAGE.
  */
 
-#ifndef __DEV_KEYS_H
+#pragma once
-#define __DEV_KEYS_H
 
 #include <sys/types.h>
 
@@ -86,4 +85,3 @@ void keys_init(void);
 void keys_post_event(uint16_t code, int16_t value);
 int keys_get_state(uint16_t code);
 
-#endif /* __DEV_KEYS_H */

include/dev/pci.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __PCI_H
+#pragma once
-#define __PCI_H
 
 #include <sys/types.h>
 #include <lk/compiler.h>
@@ -163,4 +162,3 @@ int pci_write_config_word(const pci_location_t *state, uint32_t reg, uint32_t va
 int pci_get_irq_routing_options(irq_routing_entry *entries, uint16_t *count, uint16_t *pci_irqs);
 int pci_set_irq_hw_int(const pci_location_t *state, uint8_t int_pin, uint8_t irq);
 
-#endif

include/dev/uart.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __DEV_UART_H
+#pragma once
-#define __DEV_UART_H
 
 #include <stdbool.h>
 #include <sys/types.h>
@@ -24,5 +23,3 @@ void uart_init_port(int port, uint baud);
 int uart_pputc(int port, char c);
 int uart_pgetc(int port);
 
-#endif
-

include/dev/udc.h

@@ -26,8 +26,7 @@
  * SUCH DAMAGE.
  */
 
-#ifndef __DEV_UDC_H
+#pragma once
-#define __DEV_UDC_H
 
 #include <stdint.h>
 
@@ -91,4 +90,3 @@ int udc_register_gadget(udc_gadget_t *gadget);
 int udc_start(void);
 int udc_stop(void);
 
-#endif

include/dev/usb.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __DEV_USB_H
+#pragma once
-#define __DEV_USB_H
 
 #include <sys/types.h>
 #include <lk/compiler.h>
@@ -82,5 +81,3 @@ status_t usb_register_callback(usb_callback_t, void *cookie);
 
 __END_CDECLS
 
-#endif
-

include/dev/usbc.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __DEV_USBC_H
+#pragma once
-#define __DEV_USBC_H
 
 #include <lk/compiler.h>
 #include <stdbool.h>
@@ -73,5 +72,3 @@ static inline void usbc_dump_transfer(const usbc_transfer_t *t) {
 
 __END_CDECLS
 
-#endif
-

include/hw/mii.h

@@ -6,8 +6,7 @@
  * https://opensource.org/licenses/MIT
  */
 
-#ifndef __HW_MII_H
+#pragma once
-#define __HW_MII_H
 
 #define MII_REG_BCR           0x00
 #define MII_REG_BSR           0x01
@@ -56,5 +55,3 @@
 #define MII_100TX_MODE_ISOLATE 0x001C
 #define MII_100TX_SQE_TEST     0x0002
 #define MII_100TX_NO_SCRAMBLE  0x0001
-
-#endif

include/hw/usb.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __HW_USB_H
+#pragma once
-#define __HW_USB_H
 
 #include <sys/types.h>
 #include <lk/compiler.h>
@@ -86,6 +85,3 @@ struct usb_setup {
     uint16_t index;
     uint16_t length;
 } __PACKED;
-
-#endif
-

include/lib/console.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __LIB_CONSOLE_H
+#pragma once
-#define __LIB_CONSOLE_H
 
 #include <stdbool.h>
 #include <stddef.h>
@@ -91,4 +90,3 @@ void panic_shell_start(void);
 
 extern int lastresult;
 
-#endif

include/platform.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __PLATFORM_H
+#pragma once
-#define __PLATFORM_H
 
 #include <sys/types.h>
 #include <lk/compiler.h>
@@ -71,4 +70,3 @@ void platform_quiesce(void);
 
 __END_CDECLS
 
-#endif

include/platform/debug.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __PLATFORM_DEBUG_H
+#pragma once
-#define __PLATFORM_DEBUG_H
 
 #include <sys/types.h>
 #include <stdbool.h>
@@ -23,6 +22,3 @@ void platform_pputc(char c);
 int platform_pgetc(char *c, bool wait);
 
 __END_CDECLS
-
-#endif
-

include/platform/interrupts.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __PLATFORM_INTERRUPTS_H
+#pragma once
-#define __PLATFORM_INTERRUPTS_H
 
 #include <sys/types.h>
 
@@ -16,5 +15,3 @@ status_t unmask_interrupt(unsigned int vector);
 typedef enum handler_return (*int_handler)(void *arg);
 
 void register_int_handler(unsigned int vector, int_handler handler, void *arg);
-
-#endif

include/platform/timer.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __PLATFORM_TIMER_H
+#pragma once
-#define __PLATFORM_TIMER_H
 
 #include <sys/types.h>
 
@@ -19,5 +18,3 @@ status_t platform_set_oneshot_timer (platform_timer_callback callback, void *arg
 void     platform_stop_timer(void);
 #endif
 
-#endif
-

include/sys/types.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __SYS_TYPES_H
+#pragma once
-#define __SYS_TYPES_H
 
 #include <limits.h>
 #include <stdint.h>
@@ -62,4 +61,3 @@ typedef uint16_t u_int16_t;
 typedef uint32_t u_int32_t;
 typedef uint64_t u_int64_t;
 
-#endif

include/target.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __TARGET_H
+#pragma once
-#define __TARGET_H
 
 #include <lk/compiler.h>
 #include <stdbool.h>
@@ -33,4 +32,3 @@ void target_set_debug_led(unsigned int led, bool on);
 
 __END_CDECLS
 
-#endif

kernel/include/kernel/debug.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __KERNEL_DEBUG_H
+#pragma once
-#define __KERNEL_DEBUG_H
 
 #include <lk/compiler.h>
 
@@ -55,6 +54,3 @@ enum {
 #define KEVLOG_IRQ_EXIT(irqn) kernel_evlog_add(KERNEL_EVLOG_IRQ_EXIT, (uintptr_t)irqn, 0)
 
 __END_CDECLS
-
-#endif
-

kernel/include/kernel/event.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __KERNEL_EVENT_H
+#pragma once
-#define __KERNEL_EVENT_H
 
 #include <lk/compiler.h>
 #include <stdbool.h>
@@ -65,6 +64,3 @@ static inline status_t event_wait(event_t *e) {
 }
 
 __END_CDECLS
-
-#endif
-

kernel/include/kernel/mutex.h

@@ -6,8 +6,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __KERNEL_MUTEX_H
+#pragma once
-#define __KERNEL_MUTEX_H
 
 #include <lk/compiler.h>
 #include <lk/debug.h>
@@ -53,5 +52,3 @@ static bool is_mutex_held(mutex_t *m) {
 }
 
 __END_CDECLS
-#endif
-

kernel/include/kernel/novm.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __KERNEL_NOVM_H
+#pragma once
-#define __KERNEL_NOVM_H
 
 #include <stddef.h>
 #include <stdlib.h>
@@ -36,5 +35,3 @@ struct page_range {
 };
 
 int novm_get_arenas(struct page_range *ranges, int number_of_ranges);
-
-#endif

kernel/include/kernel/port.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __KERNEL_PORT_H
+#pragma once
-#define __KERNEL_PORT_H
 
 #include <sys/types.h>
 #include <lk/compiler.h>
@@ -89,6 +88,3 @@ status_t port_destroy(port_t port);
 status_t port_close(port_t port);
 
 __END_CDECLS
-
-#endif
-

kernel/include/kernel/semaphore.h

@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef __KERNEL_SEMAPHORE_H
+#pragma once
-#define __KERNEL_SEMAPHORE_H
 
 #include <lk/compiler.h>
 #include <kernel/thread.h>
@@ -46,4 +45,3 @@ status_t sem_trywait(semaphore_t *);
 status_t sem_timedwait(semaphore_t *, lk_time_t);
 
 __END_CDECLS
-#endif

kernel/include/kernel/thread.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __KERNEL_THREAD_H
+#pragma once
-#define __KERNEL_THREAD_H
 
 #include <sys/types.h>
 #include <lk/list.h>
@@ -234,5 +233,3 @@ extern struct thread_stats thread_stats[SMP_MAX_CPUS];
 #endif
 
 __END_CDECLS
-
-#endif

kernel/include/kernel/timer.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __KERNEL_TIMER_H
+#pragma once
-#define __KERNEL_TIMER_H
 
 #include <lk/compiler.h>
 #include <lk/list.h>
@@ -54,6 +53,3 @@ void timer_set_periodic(timer_t *, lk_time_t period, timer_callback, void *arg);
 void timer_cancel(timer_t *);
 
 __END_CDECLS
-
-#endif
-

kernel/include/kernel/wait.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __KERNEL_WAIT_H
+#pragma once
-#define __KERNEL_WAIT_H
 
 #include <sys/types.h>
 #include <lk/list.h>
@@ -67,6 +66,3 @@ int wait_queue_wake_all(wait_queue_t *, bool reschedule, status_t wait_queue_err
 status_t thread_unblock_from_wait_queue(struct thread *t, status_t wait_queue_error);
 
 __END_CDECLS
-
-#endif
-

lib/buildsig/include/lib/buildsig.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __LIB_BUILDSIG_H
+#pragma once
-#define __LIB_BUILDSIG_H
 
 #include <stddef.h>
 #include <sys/types.h>
@@ -18,5 +17,3 @@ status_t buildsig_search(const void *ptr, size_t search_len, size_t max_len,
 
 #define DEFAULT_BUILDSIG_SEARCH_LEN 1024
 
-#endif
-

lib/bytes/include/lib/bytes.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __BYTES_H
+#pragma once
-#define __BYTES_H
 
 #include <endian.h>
 #include <stdint.h>
@@ -54,5 +53,3 @@ uint16_t bytes_swap_bits_u16(uint16_t val);
 uint32_t bytes_swap_bits_u24(uint32_t val);
 uint32_t bytes_swap_bits_u32(uint32_t val);
 
-#endif
-

lib/devicetree/include/lib/devicetree.h

@@ -5,9 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-
+#pragma once
-#ifndef _DEVICETREE_H_
-#define _DEVICETREE_H_
 
 #include <sys/types.h>
 
@@ -46,5 +44,3 @@ int dt_walk(devicetree_t *dt, dt_node_cb ncb, dt_prop_cb pcb, void *cookie);
 u32 dt_rd32(u8 *data);
 void dt_wr32(u32 n, u8 *data);
 
-#endif
-

lib/dpc/include/lib/dpc.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __KERNEL_DPC_H
+#pragma once
-#define __KERNEL_DPC_H
 
 #include <lk/list.h>
 #include <sys/types.h>
@@ -17,5 +16,3 @@ typedef void (*dpc_callback)(void *arg);
 
 status_t dpc_queue(dpc_callback, void *arg, uint flags);
 
-#endif
-

lib/evlog/include/lib/evlog.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __LIB_EVLOG_H
+#pragma once
-#define __LIB_EVLOG_H
 
 #include <inttypes.h>
 #include <sys/types.h>
@@ -42,5 +41,3 @@ void evlog_add2(evlog_t *e, uintptr_t a, uintptr_t b)
 }
 */
 
-#endif
-

lib/font/font.h

@@ -6,8 +6,7 @@
  * https://opensource.org/licenses/MIT
  */
 /* derived from a font by Brian Swetland ages ago */
-#ifndef __FONT_H
+#pragma once
-#define __FONT_H
 
 static const unsigned char FONT[] = {
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ' ' */
@@ -140,5 +139,3 @@ static const unsigned char FONT[] = {
     0x00, 0x00, 0x00, 0x08, 0x08, 0x14, 0x14, 0x22, 0x3e, 0x00, 0x00, 0x00, /* '' */
 };
 
-#endif
-

lib/font/include/lib/font.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __LIB_FONT_H
+#pragma once
-#define __LIB_FONT_H
 
 #include <lib/gfx.h>
 #include <lk/compiler.h>
@@ -20,5 +19,3 @@ void font_draw_char(gfx_surface *surface, unsigned char c, int x, int y, uint32_
 
 __END_CDECLS
 
-#endif
-

lib/fs/ext2/ext2_priv.h

@@ -5,9 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-
+#pragma once
-#ifndef __EXT2_PRIV_H
-#define __EXT2_PRIV_H
 
 #include <lib/bio.h>
 #include <lib/bcache.h>
@@ -80,5 +78,3 @@ status_t ext2_stat_file(filecookie *fcookie, struct file_stat *);
 #define S_ISLNK(mode) (((mode) & S_IFMT) == S_IFLNK)
 #define S_ISSOCK(mode) (((mode) & S_IFMT) == S_IFSOCK)
 
-#endif
-

lib/fs/fat32/fat32_priv.h

@@ -5,9 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-
+#pragma once
-#ifndef __FAT32_H
-#define __FAT32_H
 
 #include <lib/bio.h>
 #include <lib/fs.h>
@@ -23,5 +21,3 @@ ssize_t fat32_read_file(filecookie *fcookie, void *buf, off_t offset, size_t len
 status_t fat32_close_file(filecookie *fcookie);
 status_t fat32_stat_file(filecookie *fcookie, struct file_stat *stat);
 
-#endif
-

lib/fs/fat32/fat_fs.h

@@ -5,9 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-
+#pragma once
-#ifndef _FAT_FS_H
-#define _FAT_FS_H
 
 #include <lib/bio.h>
 #include <lib/bcache.h>
@@ -58,4 +56,3 @@ typedef enum {
 #define fat_read16(buffer,off) \
 (((uint8_t *)buffer)[(off)] + (((uint8_t *)buffer)[(off)+1] << 8))
 
-#endif

lib/fs/include/lib/fs/spifs.h

@@ -5,9 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-
+#pragma once
-#ifndef LIB_FS_SPIFS_H_
-#define LIB_FS_SPIFS_H_
 
 #include <lib/fs.h>
 
@@ -18,4 +16,3 @@ typedef struct {
     uint32_t toc_pages;
 } spifs_format_args_t;
 
-#endif  // LIB_FS_SPIFS_H_

lib/gfx/include/lib/gfx.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __LIB_GFX_H
+#pragma once
-#define __LIB_GFX_H
 
 #include <stdbool.h>
 #include <sys/types.h>
@@ -103,5 +102,3 @@ void gfx_draw_pattern(void);
 
 __END_CDECLS
 
-#endif
-

lib/gfxconsole/include/lib/gfxconsole.h

@@ -5,13 +5,10 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __LIB_GFXCONSOLE_H
+#pragma once
-#define __LIB_GFXCONSOLE_H
 
 #include <lib/gfx.h>
 
 void gfxconsole_start_on_display(void);
 void gfxconsole_start(gfx_surface *surface);
 
-#endif
-

lib/heap/include/lib/page_alloc.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __LIB_PAGE_ALLOC_H
+#pragma once
-#define __LIB_PAGE_ALLOC_H
 
 #include <stddef.h>
 #include <sys/types.h>
@@ -50,5 +49,3 @@ int page_get_arenas(struct page_range *ranges, int number_of_ranges);
 void *page_first_alloc(size_t *size_return);
 
 __END_CDECLS
-
-#endif

lib/libc/include/assert.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __ASSERT_H
+#pragma once
-#define __ASSERT_H
 
 #include <lk/compiler.h>
 #include <lk/debug.h>
@@ -28,4 +27,3 @@
 #define static_assert(e) STATIC_ASSERT(e)
 #endif
 
-#endif

lib/libc/include/ctype.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __CTYPE_H
+#pragma once
-#define __CTYPE_H
 
 #include <lk/compiler.h>
 
@@ -30,5 +29,3 @@ int toupper(int c);
 
 __END_CDECLS
 
-#endif
-

lib/libc/include/endian.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __ENDIAN_H
+#pragma once
-#define __ENDIAN_H
 
 #include <sys/types.h>
 
@@ -77,5 +76,3 @@
 #define WRITE_MEM_BYTE(ptr, data)   (*(byte *)(ptr) = (data))
 #endif
 
-
-#endif

lib/libc/include/errno.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __ERRNO_H
+#pragma once
-#define __ERRNO_H
 
 #include <lk/compiler.h>
 
@@ -145,4 +144,3 @@ extern int *__geterrno(void);
 
 __END_CDECLS
 
-#endif

lib/libc/include/inttypes.h

@@ -5,13 +5,10 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __INTTYPES_H
+#pragma once
-#define __INTTYPES_H
 
 #define PRIu32 "u"
 #define PRIx32 "x"
 
 #include <stdint.h>
 
-#endif
-

lib/libc/include/iovec.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __IOVEC_H
+#pragma once
-#define __IOVEC_H
 
 #include <lk/compiler.h>
 #include <stddef.h>
@@ -26,5 +25,3 @@ ssize_t iovec_to_membuf(uint8_t *buf, uint buf_len,
 
 __END_CDECLS
 
-#endif
-

lib/libc/include/malloc.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __MALLOC_H
+#pragma once
-#define __MALLOC_H
 
 #include <sys/types.h>
 #include <lk/compiler.h>
@@ -15,5 +14,3 @@
 /* lib/heap provides malloc/free definitions */
 #include <lib/heap.h>
 
-#endif
-

lib/libc/include/new.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __NEW_H
+#pragma once
-#define __NEW_H
 
 #include <sys/types.h>
 
@@ -17,4 +16,3 @@ void *operator new[](size_t, void *ptr);
 void operator delete (void *p);
 void operator delete[](void *p);
 
-#endif

lib/libc/include/printf.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __LIB_PRINTF_H
+#pragma once
-#define __LIB_PRINTF_H
 
 #include <stdarg.h>
 #include <lk/compiler.h>
@@ -26,4 +25,3 @@ int _printf_engine(_printf_engine_output_func out, void *state, const char *fmt,
 
 __END_CDECLS
 
-#endif

lib/libc/include/rand.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __RAND_H
+#pragma once
-#define __RAND_H
 
 #include <lk/compiler.h>
 #include <sys/types.h>
@@ -21,5 +20,3 @@ void rand_add_entropy(const void *buf, size_t len);
 
 __END_CDECLS
 
-#endif
-

lib/libc/include/stdint.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __STDINT_H
+#pragma once
-#define __STDINT_H
 
 #include <limits.h> // for ULONG_MAX
 
@@ -124,5 +123,3 @@ typedef unsigned long long uintmax_t;
 #define INTMAX_C(c)       INT64_C(c)
 #define UINTMAX_C(c)      UINT64_C(c)
 
-#endif
-

lib/libc/include/stdio.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __STDIO_H
+#pragma once
-#define __STDIO_H
 
 #include <lk/compiler.h>
 #include <printf.h>
@@ -71,5 +70,3 @@ int vsnprintf(char *str, size_t len, const char *fmt, va_list ap);
 
 __END_CDECLS
 
-#endif
-

lib/libc/include/stdlib.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __STDLIB_H
+#pragma once
-#define __STDLIB_H
 
 #include <lk/compiler.h>
 #include <sys/types.h>
@@ -48,5 +47,3 @@ char *getenv(const char *name);
 
 __END_CDECLS
 
-#endif
-

lib/libc/include/string.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __LIB_STRING_H
+#pragma once
-#define __LIB_STRING_H
 
 #include <stddef.h>
 #include <lk/compiler.h>
@@ -49,4 +48,3 @@ size_t strnlen(char const *s, size_t count) __PURE;
 
 __END_CDECLS
 
-#endif

lib/minip/include/lib/pktbuf.h

@@ -5,9 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-
+#pragma once
-#ifndef _NET_PKTBUF_H_
-#define _NET_PKTBUF_H_
 
 #include <sys/types.h>
 #include <lk/list.h>
@@ -106,4 +104,3 @@ void pktbuf_create(void *ptr, size_t size);
 void pktbuf_create_bufs(void *ptr, size_t size);
 
 void pktbuf_dump(pktbuf_t *p);
-#endif

lib/norfs/include/lib/norfs.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __NORFS_H
+#pragma once
-#define __NORFS_H
 
 #include <iovec.h>
 #include <sys/types.h>
@@ -62,4 +61,3 @@ status_t norfs_read_obj(uint32_t key, unsigned char *buffer, uint16_t buffer_len
  */
 void norfs_wipe_fs(void);
 
-#endif

lib/norfs/include/lib/norfs_config.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __NORFS_CONFIG_H
+#pragma once
-#define __NORFS_CONFIG_H
 
 #include <platform/flash_nor_config.h>
 
@@ -30,4 +29,3 @@
 
 #define NORFS_DELETED_MASK 1
 
-#endif

lib/norfs/include/lib/norfs_inode.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __NORFS_INODE_H
+#pragma once
-#define __NORFS_INODE_H
 
 #include <lk/list.h>
 #include <stdint.h>
@@ -17,4 +16,3 @@ struct norfs_inode {
     uint32_t reference_count;
 };
 
-#endif

lib/norfs/test/include/norfs_test_helper.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __NORFS_TEST_HELPER_H
+#pragma once
-#define __NORFS_TEST_HELPER_H
 
 #include <stddef.h>
 #include <sys/types.h>
@@ -24,4 +23,3 @@ void wipe_fs(void);
 status_t collect_block(uint32_t garbage_block, uint32_t *garbage_write_ptr);
 bool get_inode(uint32_t key, struct norfs_inode **inode);
 
-#endif

lib/partition/include/lib/partition.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __LIB_PARTITION_H
+#pragma once
-#define __LIB_PARTITION_H
 
 #include <sys/types.h>
 
@@ -16,5 +15,3 @@ int partition_publish(const char *device, off_t offset);
 /* remove any published subdevices on this device */
 int partition_unpublish(const char *device);
 
-#endif
-

lib/text/include/lib/text.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __LIB_TEXT_H
+#pragma once
-#define __LIB_TEXT_H
 
 #include <lib/font.h>
 
@@ -17,5 +16,3 @@ void text_draw(int x, int y, const char *string);
 /* super dumb, someone has to call this to refresh everything */
 void text_update(void);
 
-#endif
-

lib/tga/include/lib/tga.h

@@ -5,13 +5,10 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __LIB_TGA_H
+#pragma once
-#define __LIB_TGA_H
 
 #include <lib/gfx.h>
 #include <sys/types.h>
 
 gfx_surface *tga_decode(const void *ptr, size_t len, gfx_format format);
 
-#endif
-

lib/unittest/include/unittest.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef _LIB_UNITTEST_INCLUDE_UNITTEST_H_
+#pragma once
-#define _LIB_UNITTEST_INCLUDE_UNITTEST_H_
 /*
  * Macros for writing unit tests.
  *
@@ -286,5 +285,3 @@ bool run_all_tests(void);
  */
 bool expect_bytes_eq(const uint8_t *expected, const uint8_t *actual, size_t len,
                      const char *msg);
-
-#endif  /* _LIB_UNITTEST_INCLUDE_UNITTEST_H_ */

lib/version/include/lib/version.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __LIB_VERSION_H
+#pragma once
-#define __LIB_VERSION_H
 
 #include <lk/compiler.h>
 
@@ -29,5 +28,3 @@ void print_version(void);
 
 __END_CDECLS
 
-#endif
-

lib/watchdog/include/lib/watchdog.h

@@ -5,9 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-
+#pragma once
-#ifndef __LIB_WATCHDOG_H__
-#define __LIB_WATCHDOG_H__
 
 #include <stdbool.h>
 #include <stdint.h>
@@ -66,5 +64,3 @@ extern void platform_watchdog_pet(void);
 
 status_t watchdog_hw_init(lk_time_t timeout);
 void watchdog_hw_set_enabled(bool enabled);
-
-#endif  // __LIB_WATCHDOG_H__

platform/armemu/include/platform/armemu.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __PLATFORM_ARMEMU_H
+#pragma once
-#define __PLATFORM_ARMEMU_H
 
 #include <platform/armemu/memmap.h>
 
@@ -18,5 +17,3 @@ void debug_dump_memory_words(void *mem, int len);
 
 void debug_set_trace_level(int trace_type, int level);
 
-#endif
-

platform/armemu/include/platform/armemu/memmap.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __MEMMAP_H
+#pragma once
-#define __MEMMAP_H
 
 #define MEMBANK_SIZE (4*1024*1024)
 
@@ -157,4 +156,3 @@
 #define BDEV_CMD_ERR_GENERAL (1 << BDEV_CMD_ERRSHIFT)
 #define BDEV_CMD_ERR_BAD_OFFSET (2 << BDEV_CMD_ERRSHIFT)
 
-#endif

platform/armemu/platform_p.h

@@ -5,13 +5,10 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __PLATFORM_P_H
+#pragma once
-#define __PLATFORM_P_H
 
 void platform_init_interrupts(void);
 void platform_init_timer(void);
 void platform_init_blkdev(void);
 void platform_init_display(void);
 
-#endif
-

platform/lpc43xx/udc-common.h

@@ -6,9 +6,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-
+#pragma once
-#ifndef __PRIVATE_UDC_H__
-#define __PRIVATE_UDC_H__
 
 #define GET_STATUS           0
 #define CLEAR_FEATURE        1
@@ -71,4 +69,3 @@ udc_descriptor_t *udc_descriptor_find(unsigned tag);
 // driver provides this
 void udc_ept_desc_fill(udc_endpoint_t *ept, unsigned char *data);
 
-#endif

platform/mediatek/common/gic/include/mt_gic.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef _MT_GIC_H_
+#pragma once
-#define _MT_GIC_H_
 
 #include "platform/mt_irq.h"
 
@@ -33,5 +32,3 @@ void platform_init_interrupts(void);
 void platform_deinit_interrupts(void);
 void mt_irq_register_dump(void);
 
-#endif /* !_MT_GIC_H_ */
-

platform/mediatek/common/include/sync_write.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __SYNC_WRITE_H__
+#pragma once
-#define __SYNC_WRITE_H__
 
 #include <arch/arm.h>
 
@@ -30,5 +29,3 @@
             dsb(); \
         } while (0)
 
-#endif /* !__SYNC_WRITE_H__ */
-

platform/mediatek/mt6735/include/platform/mt_gpt.h

@@ -5,8 +5,8 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __MT_GPT_H__
+#pragma once
-#define __MT_GPT_H__
+
 #include <platform/mt_typedefs.h>
 #include <sys/types.h>
 #include <stdbool.h>
@@ -53,4 +53,3 @@
 
 extern void gpt_init(void);
 
-#endif  /* !__MT_GPT_H__ */

platform/mediatek/mt6735/include/platform/mt_irq.h

@@ -32,9 +32,7 @@
  * have been modified by MediaTek Inc. All revisions are subject to any receiver's
  * applicable license agreements with MediaTek Inc.
  */
-
+#pragma once
-#ifndef __MT_IRQ_H__
-#define __MT_IRQ_H__
 
 #define GIC_CPU_CTRL            0x00
 #define GIC_CPU_PRIMASK         0x04
@@ -116,4 +114,3 @@ void mt_irq_ack(unsigned int irq);
 
 void platform_init_interrupts(void);
 
-#endif

platform/mediatek/mt6735/include/platform/mt_reg_base.h

@@ -11,8 +11,7 @@
  * and
  *   https://github.com/alexgoussev/AP7350_MDK-kernel
  */
-#ifndef __MT_REG_BASE_H__
+#pragma once
-#define __MT_REG_BASE_H__
 
 #define BOOTROM_BASE    (0x00000000)
 #define BOOTSRAM_BASE   (0x00100000)
@@ -622,4 +621,3 @@
 
 ////////////////////////////////////////
 
-#endif /* !__MT_REG_BASE_H__ */

platform/mediatek/mt6735/include/platform/mt_typedefs.h

@@ -9,9 +9,7 @@
 /* ------------
  *   Type definition.
  */
-
+#pragma once
-#ifndef __MT_TYPEDEFS_H__
-#define __MT_TYPEDEFS_H__
 
 
 /*==== CONSTANTS ==================================================*/
@@ -145,4 +143,3 @@ typedef signed long long    S64;
 #define DRV_SetReg32(addr, data)    SETREG32(addr, data)
 #define DRV_ClrReg32(addr, data)    CLRREG32(addr, data)
 
-#endif /* !__MT_TYPEDEFS_H__ */

platform/mediatek/mt6735/include/platform/mt_uart.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef ___MTK_UART_H__
+#pragma once
-#define ___MTK_UART_H__
 
 #include <platform/mt_reg_base.h>
 
@@ -202,4 +201,3 @@ control */
 extern void mtk_set_current_uart(MTK_UART uart_base);
 extern int mtk_get_current_uart(void);
 
-#endif /* !___MTK_UART_H__ */

platform/mediatek/mt6797/include/platform/mt_gpt.h

@@ -5,8 +5,8 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __MT_GPT_H__
+#pragma once
-#define __MT_GPT_H__
+
 #include <platform/mt_typedefs.h>
 #include <sys/types.h>
 #include <stdbool.h>
@@ -53,4 +53,3 @@
 
 extern void gpt_init(void);
 
-#endif  /* !__MT_GPT_H__ */

platform/mediatek/mt6797/include/platform/mt_irq.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __MT_IRQ_H__
+#pragma once
-#define __MT_IRQ_H__
 
 #include <stdint.h>
 
@@ -55,4 +54,3 @@
 #define MT65xx_POLARITY_LOW   0
 #define MT65xx_POLARITY_HIGH  1
 
-#endif  /* !__MT_IRQ_H__ */

platform/mediatek/mt6797/include/platform/mt_reg_base.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef __MT_REG_BASE_H__
+#pragma once
-#define __MT_REG_BASE_H__
 
 #define BOOTROM_BASE (0x00000000)
 #define BOOTSRAM_BASE (0x00100000)
@@ -494,5 +493,3 @@
 
 ////////////////////////////////////////
 
-#endif /* !__MT_REG_BASE_H__ */
-

platform/mediatek/mt6797/include/platform/mt_typedefs.h

@@ -10,8 +10,7 @@
  *   Type definition.
  */
 
-#ifndef __MT_TYPEDEFS_H__
+#pragma once
-#define __MT_TYPEDEFS_H__
 
 
 /*==== CONSTANTS ==================================================*/
@@ -145,5 +144,3 @@ typedef signed long long    S64;
 #define DRV_SetReg32(addr, data)    SETREG32(addr, data)
 #define DRV_ClrReg32(addr, data)    CLRREG32(addr, data)
 
-#endif /* !__MT_TYPEDEFS_H__ */
-

platform/mediatek/mt6797/include/platform/mt_uart.h

@@ -5,8 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-#ifndef ___MTK_UART_H__
+#pragma once
-#define ___MTK_UART_H__
 
 #include <platform/mt_reg_base.h>
 
@@ -202,5 +201,3 @@ control */
 extern void mtk_set_current_uart(MTK_UART uart_base);
 extern int mtk_get_current_uart(void);
 
-#endif /* !___MTK_UART_H__ */
-

platform/nrf51xxx/include/platform/gpio.h

@@ -5,10 +5,7 @@
  * license that can be found in the LICENSE file or at
  * https://opensource.org/licenses/MIT
  */
-
+#pragma once
-#ifndef __PLATFORM_NRF51_GPIO_H
-#define __PLATFORM_NRF51_GPIO_H
 
 #define NRF_MAX_PIN_NUMBER 31
 
-#endif