1 files changed, 6 insertions, 0 deletions
diff --git a/udev.h b/udev.h
index cdf1af4fc2..904948d67a 100644
--- a/udev.h
+++ b/udev.h
@@ -70,6 +70,12 @@ struct udevice {
 	mode_t mode;
 };
 
+#define strfieldcpy(to, from) \
+do { \
+	to[sizeof(to)-1] = '\0'; \
+	strncpy(to, from, sizeof(to)-1); \
+} while (0)
+
 extern int udev_add_device(char *path, char *subsystem);
 extern int udev_remove_device(char *path, char *subsystem);