Ticket #162: patch-am-1.2.27

$NetBSD$

--- src/rrd_update.c.orig       2008-02-17 11:26:32.000000000 +0100
+++ src/rrd_update.c
@@ -533,9 +533,9 @@ _rrd_update(const char *filename, const 
        if(current_time < rrd.live_head->last_up || 
          (current_time == rrd.live_head->last_up && 
           (long)current_time_usec <= (long)rrd.live_head->last_up_usec)) {
-           rrd_set_error("illegal attempt to update using time %ld when "
+           rrd_set_error("%s: illegal attempt to update using time %ld when "
                          "last update time is %ld (minimum one second step)",
-                         current_time, rrd.live_head->last_up);
+                         filename, current_time, rrd.live_head->last_up);
            free(step_start);
            break;
        }