Add some missing function attributes.

3 files changed, 8 insertions, 8 deletions

diff --git a/LUFA/Drivers/USB/Class/Host/AndroidAccessoryClassHost.h b/LUFA/Drivers/USB/Class/Host/AndroidAccessoryClassHost.h
index 6a4701e13..bcc76f923 100644
--- a/LUFA/Drivers/USB/Class/Host/AndroidAccessoryClassHost.h
+++ b/LUFA/Drivers/USB/Class/Host/AndroidAccessoryClassHost.h
@@ -176,7 +176,7 @@
 			 */
 			uint8_t AOA_Host_SendData(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo,
 			                          const void* const Buffer,
-			                          const uint16_t Length);
+			                          const uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
 
 			/** Sends a given null-terminated string to the attached USB device, if connected. If a device is not connected when the
 			 *  function is called, the string is discarded. Bytes will be queued for transmission to the device until either the pipe
@@ -267,7 +267,7 @@
 			 *  \param[in,out] Stream            Pointer to a FILE structure where the created stream should be placed.
 			 */
 			void AOA_Host_CreateStream(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo,
-			                           FILE* const Stream);
+			                           FILE* const Stream) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
 
 			/** Identical to \ref AOA_Host_CreateStream(), except that reads are blocking until the calling stream function terminates
 			 *  the transfer. While blocking, the USB and AOA service tasks are called repeatedly to maintain USB communications.
@@ -278,7 +278,7 @@
 			 *  \param[in,out] Stream            Pointer to a FILE structure where the created stream should be placed.
 			 */
 			void AOA_Host_CreateBlockingStream(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo,
-			                                   FILE* const Stream);
+			                                   FILE* const Stream) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
 
 	/* Private Interface - For use in library only: */
 	#if !defined(__DOXYGEN__)
diff --git a/LUFA/Drivers/USB/Class/Host/CDCClassHost.h b/LUFA/Drivers/USB/Class/Host/CDCClassHost.h
index 23d637ae6..1b421c52a 100644
--- a/LUFA/Drivers/USB/Class/Host/CDCClassHost.h
+++ b/LUFA/Drivers/USB/Class/Host/CDCClassHost.h
@@ -199,7 +199,7 @@
 			 */
 			uint8_t CDC_Host_SendData(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
 			                          const void* const Buffer,
-			                          const uint16_t Length);
+			                          const uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
 
 			/** Sends a given null-terminated string to the attached USB device, if connected. If a device is not connected when the
 			 *  function is called, the string is discarded. Bytes will be queued for transmission to the device until either the pipe
@@ -291,7 +291,7 @@
 			 *  \param[in,out] Stream            Pointer to a FILE structure where the created stream should be placed.
 			 */
 			void CDC_Host_CreateStream(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
-			                           FILE* const Stream);
+			                           FILE* const Stream) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(3);
 
 			/** Identical to \ref CDC_Host_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.
@@ -302,7 +302,7 @@
 			 *  \param[in,out] Stream            Pointer to a FILE structure where the created stream should be placed.
 			 */
 			void CDC_Host_CreateBlockingStream(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
-			                                   FILE* const Stream);
+			                                   FILE* const Stream) ATTR_NON_NULL_PTR_ARG(1)  ATTR_NON_NULL_PTR_ARG(2);
 			#endif
 
 			/** CDC class driver event for a control line state change on a CDC host interface. This event fires each time the device notifies
diff --git a/LUFA/Drivers/USB/Class/Host/PrinterClassHost.h b/LUFA/Drivers/USB/Class/Host/PrinterClassHost.h
index 9a7cb0845..792f86564 100644
--- a/LUFA/Drivers/USB/Class/Host/PrinterClassHost.h
+++ b/LUFA/Drivers/USB/Class/Host/PrinterClassHost.h
@@ -231,7 +231,7 @@
 			 *
 			 *  \return Total number of buffered bytes received from the device.
 			 */
-			uint16_t PRNT_Host_BytesReceived(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo);
+			uint16_t PRNT_Host_BytesReceived(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
 
 			/** Reads a byte of data from the device. If no data is waiting to be read of if a USB device is not connected, the function
 			 *  returns a negative value. The \ref PRNT_Host_BytesReceived() function may be queried in advance to determine how many bytes
@@ -244,7 +244,7 @@
 			 *
 			 *  \return Next received byte from the device, or a negative value if no data received.
 			 */
-			int16_t PRNT_Host_ReceiveByte(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo);
+			int16_t PRNT_Host_ReceiveByte(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
 
 			/** Retrieves the attached printer device's ID string, formatted according to IEEE 1284. This string is sent as a
 			 *  Unicode string from the device and is automatically converted to an ASCII encoded C string by this function, thus