From ab09322b7acfa1667f3124612735ea83ce5342d5 Mon Sep 17 00:00:00 2001
From: Frank Gevaerts <frank@gevaerts.be>
Date: Sat, 18 Apr 2009 20:04:52 +0000
Subject: Add a PACK_DESCRIPTOR macro to make the class drivers a bit more
 readable (FS#10145 by Tomer Shalev)

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20733 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/usbstack/usb_class_driver.h | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'firmware/usbstack/usb_class_driver.h')

diff --git a/firmware/usbstack/usb_class_driver.h b/firmware/usbstack/usb_class_driver.h
index 22b1c6888c..b51eb3e93f 100644
--- a/firmware/usbstack/usb_class_driver.h
+++ b/firmware/usbstack/usb_class_driver.h
@@ -85,4 +85,10 @@ struct usb_class_driver {
 #endif
 };
 
+#define PACK_DESCRIPTOR(dest, descriptor) \
+    do { \
+        memcpy(dest, &(descriptor), sizeof(descriptor)); \
+        dest += sizeof(descriptor); \
+    } while (0)
+
 #endif
-- 
cgit