Add missing ATTR_NON_NULL_PTR_ARG and ATTR_ALWAYS_INLINE attributes to class driver functions.

4 files changed, 28 insertions, 18 deletions

diff --git a/LUFA/Drivers/USB/Class/Device/Audio.h b/LUFA/Drivers/USB/Class/Device/Audio.h
index 3586c33e8..b76abf663 100644
--- a/LUFA/Drivers/USB/Class/Device/Audio.h
+++ b/LUFA/Drivers/USB/Class/Device/Audio.h
@@ -135,7 +135,8 @@
 			 *
 			 *  \param[in,out] AudioInterfaceInfo  Pointer to a structure containing an Audio Class configuration and state
 			 */
-			static inline void Audio_Device_USBTask(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo);
+			static inline void Audio_Device_USBTask(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
+			                                        ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
 			static inline void Audio_Device_USBTask(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
 			{
 				(void)AudioInterfaceInfo;
@@ -150,7 +151,9 @@
 			 *  \param[in,out] AudioInterfaceInfo  Pointer to a structure containing an Audio Class configuration and state
 			 *
 			 *  \return Boolean true if the given Audio interface has a sample to be read, false otherwise
-			 */		
+			 */
+			static inline bool Audio_Device_IsSampleReceived(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
+			                                                 ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
 			static inline bool Audio_Device_IsSampleReceived(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
 			{
 				if ((USB_DeviceState != DEVICE_STATE_Configured) || !(AudioInterfaceInfo->State.InterfaceEnabled))
@@ -171,6 +174,8 @@
 			 *  \return Boolean true if the given Audio interface is ready to accept the next sample, false otherwise
 			 */
 			static inline bool Audio_Device_IsReadyForNextSample(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
+			                                                     ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
+			static inline bool Audio_Device_IsReadyForNextSample(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
 			{
 				if ((USB_DeviceState != DEVICE_STATE_Configured) || !(AudioInterfaceInfo->State.InterfaceEnabled))
 				  return false;
@@ -188,7 +193,8 @@
 			 *
 			 *  \return  Signed 8-bit audio sample from the audio interface
 			 */
-			static inline int8_t Audio_Device_ReadSample8(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo) ATTR_ALWAYS_INLINE;
+			static inline int8_t Audio_Device_ReadSample8(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
+			                                              ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
 			static inline int8_t Audio_Device_ReadSample8(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
 			{
 				int8_t Sample;
@@ -212,7 +218,8 @@
 			 *
 			 *  \return  Signed 16-bit audio sample from the audio interface
 			 */
-			static inline int16_t Audio_Device_ReadSample16(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo) ATTR_ALWAYS_INLINE;
+			static inline int16_t Audio_Device_ReadSample16(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
+			                                                ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
 			static inline int16_t Audio_Device_ReadSample16(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
 			{
 				int16_t Sample;
@@ -236,7 +243,8 @@
 			 *
 			 *  \return  Signed 24-bit audio sample from the audio interface
 			 */
-			static inline int32_t Audio_Device_ReadSample24(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo) ATTR_ALWAYS_INLINE;
+			static inline int32_t Audio_Device_ReadSample24(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
+			                                                ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
 			static inline int32_t Audio_Device_ReadSample24(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
 			{
 				int32_t Sample;
@@ -260,7 +268,7 @@
 			 *  \param[in] Sample  Signed 8-bit audio sample
 			 */
 			static inline void Audio_Device_WriteSample8(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo,
-			                                             const int8_t Sample) ATTR_ALWAYS_INLINE;
+			                                             const int8_t Sample) ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
 			static inline void Audio_Device_WriteSample8(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo,
 			                                             const int8_t Sample)
 			{
@@ -279,7 +287,7 @@
 			 *  \param[in] Sample  Signed 16-bit audio sample
 			 */
 			static inline void Audio_Device_WriteSample16(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo,
-			                                              const int16_t Sample) ATTR_ALWAYS_INLINE;
+			                                              const int16_t Sample) ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
 			static inline void Audio_Device_WriteSample16(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo,
 			                                              const int16_t Sample)
 			{
@@ -298,7 +306,7 @@
 			 *  \param[in] Sample  Signed 24-bit audio sample
 			 */
 			static inline void Audio_Device_WriteSample24(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo,
-			                                              const int32_t Sample) ATTR_ALWAYS_INLINE;
+			                                              const int32_t Sample) ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
 			static inline void Audio_Device_WriteSample24(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo,
 			                                              const int32_t Sample)
 			{
diff --git a/LUFA/Drivers/USB/Class/Device/CDC.h b/LUFA/Drivers/USB/Class/Device/CDC.h
index 278996f64..23b7b5c40 100644
--- a/LUFA/Drivers/USB/Class/Device/CDC.h
+++ b/LUFA/Drivers/USB/Class/Device/CDC.h
@@ -292,7 +292,8 @@
 			 *  \param[in,out] CDCInterfaceInfo  Pointer to a structure containing a CDC Class configuration and state
 			 *  \param[in,out] Stream            Pointer to a FILE structure where the created stream should be placed
 			 */
-			void CDC_Device_CreateStream(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo, FILE* Stream);
+			void CDC_Device_CreateStream(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo, FILE* Stream)
+			                             ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
 
 			/** Identical to CDC_Device_CreateStream(), except that reads are blocking until the calling stream function terminates
 			 *  the transfer. While blocking, the USB and CDC service tasks are called repeatedly to maintain USB communications.
@@ -300,15 +301,16 @@
 			 *  \param[in,out] CDCInterfaceInfo  Pointer to a structure containing a CDC Class configuration and state
 			 *  \param[in,out] Stream            Pointer to a FILE structure where the created stream should be placed
 			 */
-			void CDC_Device_CreateBlockingStream(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo, FILE* Stream);
+			void CDC_Device_CreateBlockingStream(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo, FILE* Stream)
+			                                     ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
 
 	/* Private Interface - For use in library only: */
 	#if !defined(__DOXYGEN__)
 		/* Function Prototypes: */
 			#if defined(__INCLUDE_FROM_CDC_CLASS_DEVICE_C)
-				static int CDC_Device_putchar(char c, FILE* Stream);
-				static int CDC_Device_getchar(FILE* Stream);
-				static int CDC_Device_getchar_Blocking(FILE* Stream);
+				static int CDC_Device_putchar(char c, FILE* Stream) ATTR_NON_NULL_PTR_ARG(2);
+				static int CDC_Device_getchar(FILE* Stream) ATTR_NON_NULL_PTR_ARG(1);
+				static int CDC_Device_getchar_Blocking(FILE* Stream) ATTR_NON_NULL_PTR_ARG(1);
 				
 				void CDC_Device_Event_Stub(void);
 				void EVENT_CDC_Device_LineEncodingChanged(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
diff --git a/LUFA/Drivers/USB/Class/Device/HID.h b/LUFA/Drivers/USB/Class/Device/HID.h
index b3b67a9a4..d5194d12c 100644
--- a/LUFA/Drivers/USB/Class/Device/HID.h
+++ b/LUFA/Drivers/USB/Class/Device/HID.h
@@ -179,8 +179,8 @@
 			 *  \param[in]     ReportSize        Size in bytes of the received report from the host.
 			 */
 			void CALLBACK_HID_Device_ProcessHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, const uint8_t ReportID,
-			                                          const uint8_t ReportType, const void* ReportData, const uint16_t ReportSize) ATTR_NON_NULL_PTR_ARG(1)
-			                                          ATTR_NON_NULL_PTR_ARG(4);
+			                                          const uint8_t ReportType, const void* ReportData, const uint16_t ReportSize)
+			                                          ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(4);
 
 		/* Inline Functions: */
 			/** Indicates that a millisecond of idle time has elapsed on the given HID interface, and the interface's idle count should be
@@ -190,7 +190,7 @@
 			 *
 			 *  \param[in,out] HIDInterfaceInfo  Pointer to a structure containing a HID Class configuration and state
 			 */
-			static inline void HID_Device_MillisecondElapsed(USB_ClassInfo_HID_Device_t* HIDInterfaceInfo);
+			static inline void HID_Device_MillisecondElapsed(USB_ClassInfo_HID_Device_t* HIDInterfaceInfo) ATTR_ALWAYS_INLINE ATTR_NON_NULL_PTR_ARG(1);
 			static inline void HID_Device_MillisecondElapsed(USB_ClassInfo_HID_Device_t* HIDInterfaceInfo)
 			{
 				if (HIDInterfaceInfo->State.IdleMSRemaining)
diff --git a/LUFA/Drivers/USB/Class/Device/MIDI.h b/LUFA/Drivers/USB/Class/Device/MIDI.h
index 45791f1a8..d9b67e275 100644
--- a/LUFA/Drivers/USB/Class/Device/MIDI.h
+++ b/LUFA/Drivers/USB/Class/Device/MIDI.h
@@ -135,7 +135,7 @@
 			 *
 			 *  \return A value from the \ref Endpoint_WaitUntilReady_ErrorCodes_t enum
 			 */
-			uint8_t MIDI_Device_Flush(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo);
+			uint8_t MIDI_Device_Flush(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
 
 			/** Receives a MIDI event packet from the host. Events are unpacked from the endpoint, thus if the endpoint bank contains
 			 *  multiple MIDI events from the host in the one packet, multiple calls to this function will return each individual event.
@@ -157,7 +157,7 @@
 			 *
 			 *  \param[in,out] MIDIInterfaceInfo  Pointer to a structure containing a MIDI Class configuration and state
 			 */
-			static inline void MIDI_Device_USBTask(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo);
+			static inline void MIDI_Device_USBTask(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
 			static inline void MIDI_Device_USBTask(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo)
 			{
 				(void)MIDIInterfaceInfo;