X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=udev.h;h=904948d67ac92d7df4fa80e27ae7eea6e44fb64d;hb=8f43a65e4f0b545d705cc4cf9f31fa336b0cf8f3;hp=cdf1af4fc21ec58b51d2b25363a5aaebfdd889f1;hpb=9d496c74f3a6b1963727b515126e87e64abe046c;p=elogind.git

diff --git a/udev.h b/udev.h
index cdf1af4fc..904948d67 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);