diff -ur watchdog-5.6/src/shutdown.c watchdog-5.6-cleanup/src/shutdown.c
--- watchdog-5.6/src/shutdown.c	2009-03-21 19:08:53.000000000 +0000
+++ watchdog-5.6-cleanup/src/shutdown.c	2009-03-26 10:10:57.000000000 +0000
@@ -446,6 +446,8 @@
     (void) killall5(SIGKILL);
     keep_alive();
 
+    ssize_t write_len;
+
     /* Record the fact that we're going down */
     if ((fd = open(_PATH_WTMP, O_WRONLY | O_APPEND)) >= 0) {
 	time_t t;
@@ -458,7 +460,7 @@
 	wtmp.ut_pid = 0;
 	wtmp.ut_type = RUN_LVL;
 	wtmp.ut_time = t;
-	write(fd, (char *) &wtmp, sizeof(wtmp));
+	write_len = write(fd, (char *) &wtmp, sizeof(wtmp));
 	close(fd);
     }
     
@@ -474,7 +476,7 @@
 		char buf[512];
 
 		if (read(fd_seed, buf, 512) == 512)
-		    write(fd_bck, buf, 512);
+		    write_len = write(fd_bck, buf, 512);
 		close(fd_bck);
 	    }
 	    close(fd_seed);