PERFORCE change 131194 for review

[Hans Petter Selasky]

http://perforce.freebsd.org/chv.cgi?CH=131194

Change 131194 by hselasky at hselasky_laptop001 on 2007/12/19 01:40:07

	
	Add new macro that can be used to build up USB strings.

Affected files ...

.. //depot/projects/usb/src/sys/dev/usb/usb.h#26 edit

Differences ...

==== //depot/projects/usb/src/sys/dev/usb/usb.h#26 (text+ko) ====

@@ -287,6 +287,18 @@
 	uByte	bUnused;
 } __packed usb_string_descriptor_t;
 
+#define	USB_MAKE_STRING_DESC(m,name)	\
+struct name {				\
+  uByte bLength;			\
+  uByte bDescriptorType;		\
+  uByte bData[sizeof((uint8_t []){m})];	\
+} __packed;				\
+static const struct name name = {	\
+  .bLength = sizeof(struct name),	\
+  .bDescriptorType = UDESC_STRING,	\
+  .bData = { m },			\
+}
+
 #define	USB_STRING_DESC_LEN(len) ((2*(len)) + 2)
 #define	USB_LANGUAGE_TABLE 0		/* # of the string language id table */