contrib/migrate-4-5.px: Add options parsing and help output.

[collectd.git] / src / rrdtool.c

diff --git a/src/rrdtool.c b/src/rrdtool.c
index bd7bd77..b366a9c 100644 (file)
--- a/src/rrdtool.c
+++ b/src/rrdtool.c
@@ -661,6 +661,14 @@ static int64_t rrd_get_random_variation (void)
   if (random_timeout <= 0)
     return (0);
 
+  /* Assure that "cache_timeout + random_variation" is never negative. */
+  if (random_timeout > cache_timeout)
+  {
+         INFO ("rrdtool plugin: Adjusting \"RandomTimeout\" to %.3f seconds.",
+                         CDTIME_T_TO_DOUBLE (cache_timeout));
+         random_timeout = cache_timeout;
+  }
+
   /* This seems a bit complicated, but "random_timeout" is likely larger than
    * RAND_MAX, so we can't simply use modulo here. */
   dbl_timeout = CDTIME_T_TO_DOUBLE (random_timeout);
@@ -1159,12 +1167,12 @@ static int rrd_init (void)
                rrdcreate_config.heartbeat = 2 * rrdcreate_config.stepsize;
 
        if ((rrdcreate_config.heartbeat > 0)
-                       && (rrdcreate_config.heartbeat < interval_g))
+                       && (rrdcreate_config.heartbeat < CDTIME_T_TO_TIME_T (interval_g)))
                WARNING ("rrdtool plugin: Your `heartbeat' is "
                                "smaller than your `interval'. This will "
                                "likely cause problems.");
        else if ((rrdcreate_config.stepsize > 0)
-                       && (rrdcreate_config.stepsize < interval_g))
+                       && (rrdcreate_config.stepsize < CDTIME_T_TO_TIME_T (interval_g)))
                WARNING ("rrdtool plugin: Your `stepsize' is "
                                "smaller than your `interval'. This will "
                                "create needlessly big RRD-files.");