email plugin: Fix a segfault in the shutdown routine.

[collectd.git] / src / multimeter.c

diff --git a/src/multimeter.c b/src/multimeter.c
index d1cf190..02abfc8 100644 (file)
--- a/src/multimeter.c
+++ b/src/multimeter.c
@@ -81,8 +81,10 @@ static int multimeter_read_value(double *value)
 
                if (gettimeofday (&time_end, NULL) < 0)
                {
-                       syslog (LOG_ERR, "multimeter plugin: gettimeofday failed: %s",
-                                strerror (errno));
+                       char errbuf[1024];
+                       ERROR ("multimeter plugin: gettimeofday failed: %s",
+                                       sstrerror (errno, errbuf,
+                                               sizeof (errbuf)));
                        return (-1);
                }
                time_end.tv_sec++;      
@@ -103,9 +105,11 @@ static int multimeter_read_value(double *value)
 
                        if (gettimeofday (&time_now, NULL) < 0)
                        {
-                               syslog (LOG_ERR, "multimeter plugin: "
+                               char errbuf[1024];
+                               ERROR ("multimeter plugin: "
                                                "gettimeofday failed: %s",
-                                               strerror (errno));
+                                               sstrerror (errno, errbuf,
+                                                       sizeof (errbuf)));
                                return (-1);
                        }
                        if (multimeter_timeval_sub (&time_end, &time_now, &timeout) == -1)
@@ -157,9 +161,10 @@ static int multimeter_read_value(double *value)
                        }
                        else /* status == -1 */
                        {
-                               syslog (LOG_ERR, "multimeter plugin: "
+                               char errbuf[1024];
+                               ERROR ("multimeter plugin: "
                                                "select failed: %s",
-                                               strerror (errno));
+                                               sstrerror (errno, errbuf, sizeof (errbuf)));
                                break;
                        }
                }
@@ -201,14 +206,14 @@ static int multimeter_init (void)
                        }
                        else
                        {
-                               syslog (LOG_INFO, "multimeter plugin: Device "
+                               INFO ("multimeter plugin: Device "
                                                "found at %s", device);
                                return (0);
                        }
                }
        }
 
-       syslog (LOG_ERR, "multimeter plugin: No device found");
+       ERROR ("multimeter plugin: No device found");
        return (-1);
 }
 #undef LINE_LENGTH
@@ -223,7 +228,7 @@ static void multimeter_submit (double value)
        vl.values = values;
        vl.values_len = 1;
        vl.time = time (NULL);
-       strcpy (vl.host, hostname);
+       strcpy (vl.host, hostname_g);
        strcpy (vl.plugin, "multimeter");
 
        plugin_dispatch_values ("multimeter", &vl);
@@ -255,13 +260,17 @@ static int multimeter_shutdown (void)
 }
 #endif /* MULTIMETER_HAVE_READ */
 
-void module_register (void)
+void module_register (modreg_e load)
 {
-       plugin_register_data_set (&data_set);
+       if (load & MR_DATASETS)
+               plugin_register_data_set (&data_set);
 
 #if MULTIMETER_HAVE_READ
-       plugin_register_init ("multimeter", multimeter_init);
-       plugin_register_read ("multimeter", multimeter_read);
-       plugin_register_shutdown ("multimeter", multimeter_shutdown);
+       if (load & MR_READ)
+       {
+               plugin_register_init ("multimeter", multimeter_init);
+               plugin_register_read ("multimeter", multimeter_read);
+               plugin_register_shutdown ("multimeter", multimeter_shutdown);
+       }
 #endif /* MULTIMETER_HAVE_READ */
-}
+} /* void module_register */