1 files changed, 6 insertions, 0 deletions
diff --git a/udev.h b/udev.h
index b5088b90c6..fc44a9847c 100644
--- a/udev.h
+++ b/udev.h
@@ -61,6 +61,12 @@ do { \
 	strncpy(to, from, sizeof(to)-1); \
 } while (0)
 
+#define strfieldcat(to, from) \
+do { \
+	to[sizeof(to)-1] = '\0'; \
+	strncat(to, from, sizeof(to) - strlen(to) -1); \
+} while (0)
+
 extern int udev_add_device(char *path, char *subsystem, int fake);
 extern int udev_remove_device(char *path, char *subsystem);
 extern void udev_init_config(void);