Merge branch 'master' into fix/check_ssh-variable-stuff

1 files changed, 207 insertions, 250 deletions

diff --git a/plugins/check_mrtgtraf.c b/plugins/check_mrtgtraf.c
index bd25d47d..e5a2e2ad 100644
--- a/plugins/check_mrtgtraf.c
+++ b/plugins/check_mrtgtraf.c
@@ -1,94 +1,77 @@
 /*****************************************************************************
-* 
-* Monitoring check_mrtgtraf plugin
-* 
-* License: GPL
-* Copyright (c) 1999-2007 Monitoring Plugins Development Team
-* 
-* Description:
-* 
-* This file contains the check_mtrgtraf plugin
-* 
-* This plugin will check the incoming/outgoing transfer rates of a router
-* switch, etc recorded in an MRTG log.
-* 
-* 
-* This program is free software: you can redistribute it and/or modify
-* it under the terms of the GNU General Public License as published by
-* the Free Software Foundation, either version 3 of the License, or
-* (at your option) any later version.
-* 
-* This program is distributed in the hope that it will be useful,
-* but WITHOUT ANY WARRANTY; without even the implied warranty of
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-* GNU General Public License for more details.
-* 
-* You should have received a copy of the GNU General Public License
-* along with this program.  If not, see <http://www.gnu.org/licenses/>.
-* 
-* 
-*****************************************************************************/
+ *
+ * Monitoring check_mrtgtraf plugin
+ *
+ * License: GPL
+ * Copyright (c) 1999-2024 Monitoring Plugins Development Team
+ *
+ * Description:
+ *
+ * This file contains the check_mtrgtraf plugin
+ *
+ * This plugin will check the incoming/outgoing transfer rates of a router
+ * switch, etc recorded in an MRTG log.
+ *
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *
+ *****************************************************************************/
 
 #include "common.h"
 #include "utils.h"
 
 const char *progname = "check_mrtgtraf";
-const char *copyright = "1999-2007";
+const char *copyright = "1999-2024";
 const char *email = "devel@monitoring-plugins.org";
 
-int process_arguments (int, char **);
-int validate_arguments (void);
-void print_help(void);
+static int process_arguments(int /*argc*/, char ** /*argv*/);
+static void print_help(void);
 void print_usage(void);
 
-char *log_file = NULL;
-int expire_minutes = -1;
-bool use_average = true;
-unsigned long incoming_warning_threshold = 0L;
-unsigned long incoming_critical_threshold = 0L;
-unsigned long outgoing_warning_threshold = 0L;
-unsigned long outgoing_critical_threshold = 0L;
+static char *log_file = NULL;
+static int expire_minutes = -1;
+static bool use_average = true;
+static unsigned long incoming_warning_threshold = 0L;
+static unsigned long incoming_critical_threshold = 0L;
+static unsigned long outgoing_warning_threshold = 0L;
+static unsigned long outgoing_critical_threshold = 0L;
 
-
-int
-main (int argc, char **argv)
-{
-        int result = STATE_OK;
-        FILE *fp;
-        int line;
-        char input_buffer[MAX_INPUT_BUFFER];
-        char *temp_buffer;
-        time_t current_time;
-        char *error_message;
-        time_t timestamp = 0L;
-        unsigned long average_incoming_rate = 0L;
-        unsigned long average_outgoing_rate = 0L;
-        unsigned long maximum_incoming_rate = 0L;
-        unsigned long maximum_outgoing_rate = 0L;
-        unsigned long incoming_rate = 0L;
-        unsigned long outgoing_rate = 0L;
-        double adjusted_incoming_rate = 0.0;
-        double adjusted_outgoing_rate = 0.0;
-        char incoming_speed_rating[8];
-        char outgoing_speed_rating[8];
-
-        setlocale (LC_ALL, "");
-        bindtextdomain (PACKAGE, LOCALEDIR);
-        textdomain (PACKAGE);
+int main(int argc, char **argv) {
+        setlocale(LC_ALL, "");
+        bindtextdomain(PACKAGE, LOCALEDIR);
+        textdomain(PACKAGE);
 
         /* Parse extra opts if any */
-        argv=np_extra_opts (&argc, argv, progname);
+        argv = np_extra_opts(&argc, argv, progname);
 
-        if (process_arguments (argc, argv) == ERROR)
-                usage4 (_("Could not parse arguments"));
+        if (process_arguments(argc, argv) == ERROR)
+                usage4(_("Could not parse arguments"));
 
         /* open the MRTG log file for reading */
-        fp = fopen (log_file, "r");
-        if (fp == NULL)
-                usage4 (_("Unable to open MRTG log file"));
+        FILE *mrtg_log_file_ptr = fopen(log_file, "r");
+        if (mrtg_log_file_ptr == NULL)
+                usage4(_("Unable to open MRTG log file"));
 
-        line = 0;
-        while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, fp)) {
+        time_t timestamp = 0L;
+        char input_buffer[MAX_INPUT_BUFFER];
+        unsigned long average_incoming_rate = 0L;
+        unsigned long average_outgoing_rate = 0L;
+        unsigned long maximum_incoming_rate = 0L;
+        unsigned long maximum_outgoing_rate = 0L;
+        int line = 0;
+        while (fgets(input_buffer, MAX_INPUT_BUFFER - 1, mrtg_log_file_ptr)) {
 
                 line++;
 
@@ -102,280 +85,254 @@ main (int argc, char **argv)
                         break;
 
                 /* grab the timestamp */
-                temp_buffer = strtok (input_buffer, " ");
-                timestamp = strtoul (temp_buffer, NULL, 10);
+                char *temp_buffer = strtok(input_buffer, " ");
+                timestamp = strtoul(temp_buffer, NULL, 10);
 
                 /* grab the average incoming transfer rate */
-                temp_buffer = strtok (NULL, " ");
-                average_incoming_rate = strtoul (temp_buffer, NULL, 10);
+                temp_buffer = strtok(NULL, " ");
+                average_incoming_rate = strtoul(temp_buffer, NULL, 10);
 
                 /* grab the average outgoing transfer rate */
-                temp_buffer = strtok (NULL, " ");
-                average_outgoing_rate = strtoul (temp_buffer, NULL, 10);
+                temp_buffer = strtok(NULL, " ");
+                average_outgoing_rate = strtoul(temp_buffer, NULL, 10);
 
                 /* grab the maximum incoming transfer rate */
-                temp_buffer = strtok (NULL, " ");
-                maximum_incoming_rate = strtoul (temp_buffer, NULL, 10);
+                temp_buffer = strtok(NULL, " ");
+                maximum_incoming_rate = strtoul(temp_buffer, NULL, 10);
 
                 /* grab the maximum outgoing transfer rate */
-                temp_buffer = strtok (NULL, " ");
-                maximum_outgoing_rate = strtoul (temp_buffer, NULL, 10);
+                temp_buffer = strtok(NULL, " ");
+                maximum_outgoing_rate = strtoul(temp_buffer, NULL, 10);
         }
 
         /* close the log file */
-        fclose (fp);
+        fclose(mrtg_log_file_ptr);
 
         /* if we couldn't read enough data, return an unknown error */
         if (line <= 2)
-                usage4 (_("Unable to process MRTG log file"));
+                usage4(_("Unable to process MRTG log file"));
 
         /* make sure the MRTG data isn't too old */
-        time (&current_time);
-        if ((expire_minutes > 0) &&
-            (current_time - timestamp) > (expire_minutes * 60))
-                die (STATE_WARNING,     _("MRTG data has expired (%d minutes old)\n"),
-                     (int) ((current_time - timestamp) / 60));
+        time_t current_time;
+        time(&current_time);
+        if ((expire_minutes > 0) && (current_time - timestamp) > (expire_minutes * 60))
+                die(STATE_WARNING, _("MRTG data has expired (%d minutes old)\n"), (int)((current_time - timestamp) / 60));
 
+        unsigned long incoming_rate = 0L;
+        unsigned long outgoing_rate = 0L;
         /* else check the incoming/outgoing rates */
         if (use_average) {
                 incoming_rate = average_incoming_rate;
                 outgoing_rate = average_outgoing_rate;
-        }
-        else {
+        } else {
                 incoming_rate = maximum_incoming_rate;
                 outgoing_rate = maximum_outgoing_rate;
         }
 
+        double adjusted_incoming_rate = 0.0;
+        char incoming_speed_rating[8];
         /* report incoming traffic in Bytes/sec */
         if (incoming_rate < 1024) {
-                strcpy (incoming_speed_rating, "B");
-                adjusted_incoming_rate = (double) incoming_rate;
+                strcpy(incoming_speed_rating, "B");
+                adjusted_incoming_rate = (double)incoming_rate;
         }
 
         /* report incoming traffic in KBytes/sec */
         else if (incoming_rate < (1024 * 1024)) {
-                strcpy (incoming_speed_rating, "KB");
-                adjusted_incoming_rate = (double) (incoming_rate / 1024.0);
+                strcpy(incoming_speed_rating, "KB");
+                adjusted_incoming_rate = (double)(incoming_rate / 1024.0);
         }
 
         /* report incoming traffic in MBytes/sec */
         else {
-                strcpy (incoming_speed_rating, "MB");
-                adjusted_incoming_rate = (double) (incoming_rate / 1024.0 / 1024.0);
+                strcpy(incoming_speed_rating, "MB");
+                adjusted_incoming_rate = (double)(incoming_rate / 1024.0 / 1024.0);
         }
 
+        double adjusted_outgoing_rate = 0.0;
+        char outgoing_speed_rating[8];
         /* report outgoing traffic in Bytes/sec */
         if (outgoing_rate < 1024) {
-                strcpy (outgoing_speed_rating, "B");
-                adjusted_outgoing_rate = (double) outgoing_rate;
+                strcpy(outgoing_speed_rating, "B");
+                adjusted_outgoing_rate = (double)outgoing_rate;
         }
 
         /* report outgoing traffic in KBytes/sec */
         else if (outgoing_rate < (1024 * 1024)) {
-                strcpy (outgoing_speed_rating, "KB");
-                adjusted_outgoing_rate = (double) (outgoing_rate / 1024.0);
+                strcpy(outgoing_speed_rating, "KB");
+                adjusted_outgoing_rate = (double)(outgoing_rate / 1024.0);
         }
 
         /* report outgoing traffic in MBytes/sec */
         else {
-                strcpy (outgoing_speed_rating, "MB");
-                adjusted_outgoing_rate = (double) (outgoing_rate / 1024.0 / 1024.0);
+                strcpy(outgoing_speed_rating, "MB");
+                adjusted_outgoing_rate = (double)(outgoing_rate / 1024.0 / 1024.0);
         }
 
-        if (incoming_rate > incoming_critical_threshold
-                        || outgoing_rate > outgoing_critical_threshold) {
+        int result = STATE_OK;
+        if (incoming_rate > incoming_critical_threshold || outgoing_rate > outgoing_critical_threshold) {
                 result = STATE_CRITICAL;
-        }
-        else if (incoming_rate > incoming_warning_threshold
-                                         || outgoing_rate > outgoing_warning_threshold) {
+        } else if (incoming_rate > incoming_warning_threshold || outgoing_rate > outgoing_warning_threshold) {
                 result = STATE_WARNING;
         }
 
-        xasprintf (&error_message, _("%s. In = %0.1f %s/s, %s. Out = %0.1f %s/s|%s %s\n"),
-                  (use_average) ? _("Avg") : _("Max"), adjusted_incoming_rate,
-                  incoming_speed_rating, (use_average) ? _("Avg") : _("Max"),
-                  adjusted_outgoing_rate, outgoing_speed_rating,
-                  fperfdata("in", adjusted_incoming_rate, incoming_speed_rating,
-                           (int)incoming_warning_threshold, incoming_warning_threshold,
-                           (int)incoming_critical_threshold, incoming_critical_threshold,
-                           true, 0, false, 0),
-                  fperfdata("out", adjusted_outgoing_rate, outgoing_speed_rating,
-                           (int)outgoing_warning_threshold, outgoing_warning_threshold,
-                           (int)outgoing_critical_threshold, outgoing_critical_threshold,
-                           true, 0, false, 0));
-
-        printf (_("Traffic %s - %s\n"), state_text(result), error_message);
+        char *error_message;
+        xasprintf(&error_message, _("%s. In = %0.1f %s/s, %s. Out = %0.1f %s/s|%s %s\n"), (use_average) ? _("Avg") : _("Max"),
+                          adjusted_incoming_rate, incoming_speed_rating, (use_average) ? _("Avg") : _("Max"), adjusted_outgoing_rate,
+                          outgoing_speed_rating,
+                          fperfdata("in", adjusted_incoming_rate, incoming_speed_rating, (int)incoming_warning_threshold, incoming_warning_threshold,
+                                                (int)incoming_critical_threshold, incoming_critical_threshold, true, 0, false, 0),
+                          fperfdata("out", adjusted_outgoing_rate, outgoing_speed_rating, (int)outgoing_warning_threshold, outgoing_warning_threshold,
+                                                (int)outgoing_critical_threshold, outgoing_critical_threshold, true, 0, false, 0));
+
+        printf(_("Traffic %s - %s\n"), state_text(result), error_message);
 
         return result;
 }
 
-
-
 /* process command-line arguments */
-int
-process_arguments (int argc, char **argv)
-{
-        int c;
-
-        int option = 0;
-        static struct option longopts[] = {
-                {"filename", required_argument, 0, 'F'},
-                {"expires", required_argument, 0, 'e'},
-                {"aggregation", required_argument, 0, 'a'},
-                {"critical", required_argument, 0, 'c'},
-                {"warning", required_argument, 0, 'w'},
-                {"version", no_argument, 0, 'V'},
-                {"help", no_argument, 0, 'h'},
-                {0, 0, 0, 0}
-        };
+int process_arguments(int argc, char **argv) {
+        static struct option longopts[] = {{"filename", required_argument, 0, 'F'},
+                                                                           {"expires", required_argument, 0, 'e'},
+                                                                           {"aggregation", required_argument, 0, 'a'},
+                                                                           {"critical", required_argument, 0, 'c'},
+                                                                           {"warning", required_argument, 0, 'w'},
+                                                                           {"version", no_argument, 0, 'V'},
+                                                                           {"help", no_argument, 0, 'h'},
+                                                                           {0, 0, 0, 0}};
 
         if (argc < 2)
                 return ERROR;
 
-        for (c = 1; c < argc; c++) {
-                if (strcmp ("-to", argv[c]) == 0)
-                        strcpy (argv[c], "-t");
-                else if (strcmp ("-wt", argv[c]) == 0)
-                        strcpy (argv[c], "-w");
-                else if (strcmp ("-ct", argv[c]) == 0)
-                        strcpy (argv[c], "-c");
+        for (int i = 1; i < argc; i++) {
+                if (strcmp("-to", argv[i]) == 0)
+                        strcpy(argv[i], "-t");
+                else if (strcmp("-wt", argv[i]) == 0)
+                        strcpy(argv[i], "-w");
+                else if (strcmp("-ct", argv[i]) == 0)
+                        strcpy(argv[i], "-c");
         }
 
+        int option_char;
+        int option = 0;
         while (1) {
-                c = getopt_long (argc, argv, "hVF:e:a:c:w:", longopts, &option);
+                option_char = getopt_long(argc, argv, "hVF:e:a:c:w:", longopts, &option);
 
-                if (c == -1 || c == EOF)
+                if (option_char == -1 || option_char == EOF)
                         break;
 
-                switch (c) {
-                case 'F':                                                                       /* input file */
+                switch (option_char) {
+                case 'F': /* input file */
                         log_file = optarg;
                         break;
-                case 'e':                                                                       /* expiration time */
-                        expire_minutes = atoi (optarg);
+                case 'e': /* expiration time */
+                        expire_minutes = atoi(optarg);
                         break;
-                case 'a':                                                                       /* aggregation (AVE or MAX) */
-                        if (!strcmp (optarg, "MAX"))
+                case 'a': /* aggregation (AVE or MAX) */
+                        if (!strcmp(optarg, "MAX"))
                                 use_average = false;
                         else
                                 use_average = true;
                         break;
-                case 'c':                                                                       /* warning threshold */
-                        sscanf (optarg, "%lu,%lu", &incoming_critical_threshold,
-                                                        &outgoing_critical_threshold);
+                case 'c': /* warning threshold */
+                        sscanf(optarg, "%lu,%lu", &incoming_critical_threshold, &outgoing_critical_threshold);
                         break;
-                case 'w':                                                                       /* critical threshold */
-                        sscanf (optarg, "%lu,%lu", &incoming_warning_threshold,
-                                                        &outgoing_warning_threshold);
+                case 'w': /* critical threshold */
+                        sscanf(optarg, "%lu,%lu", &incoming_warning_threshold, &outgoing_warning_threshold);
                         break;
-                case 'V':                                                                       /* version */
-                        print_revision (progname, NP_VERSION);
-                        exit (STATE_UNKNOWN);
-                case 'h':                                                                       /* help */
-                        print_help ();
-                        exit (STATE_UNKNOWN);
-                case '?':                                                                       /* help */
-                        usage5 ();
+                case 'V': /* version */
+                        print_revision(progname, NP_VERSION);
+                        exit(STATE_UNKNOWN);
+                case 'h': /* help */
+                        print_help();
+                        exit(STATE_UNKNOWN);
+                case '?': /* help */
+                        usage5();
                 }
         }
 
-        c = optind;
-        if (argc > c && log_file == NULL) {
-                log_file = argv[c++];
+        option_char = optind;
+        if (argc > option_char && log_file == NULL) {
+                log_file = argv[option_char++];
         }
 
-        if (argc > c && expire_minutes == -1) {
-                expire_minutes = atoi (argv[c++]);
+        if (argc > option_char && expire_minutes == -1) {
+                expire_minutes = atoi(argv[option_char++]);
         }
 
-        if (argc > c && strcmp (argv[c], "MAX") == 0) {
+        if (argc > option_char && strcmp(argv[option_char], "MAX") == 0) {
                 use_average = false;
-                c++;
-        }
-        else if (argc > c && strcmp (argv[c], "AVG") == 0) {
+                option_char++;
+        } else if (argc > option_char && strcmp(argv[option_char], "AVG") == 0) {
                 use_average = true;
-                c++;
+                option_char++;
         }
 
-        if (argc > c && incoming_warning_threshold == 0) {
-                incoming_warning_threshold = strtoul (argv[c++], NULL, 10);
+        if (argc > option_char && incoming_warning_threshold == 0) {
+                incoming_warning_threshold = strtoul(argv[option_char++], NULL, 10);
         }
 
-        if (argc > c && incoming_critical_threshold == 0) {
-                incoming_critical_threshold = strtoul (argv[c++], NULL, 10);
+        if (argc > option_char && incoming_critical_threshold == 0) {
+                incoming_critical_threshold = strtoul(argv[option_char++], NULL, 10);
         }
 
-        if (argc > c && outgoing_warning_threshold == 0) {
-                outgoing_warning_threshold = strtoul (argv[c++], NULL, 10);
-        }
-        
-        if (argc > c && outgoing_critical_threshold == 0) {
-                outgoing_critical_threshold = strtoul (argv[c++], NULL, 10);
+        if (argc > option_char && outgoing_warning_threshold == 0) {
+                outgoing_warning_threshold = strtoul(argv[option_char++], NULL, 10);
         }
 
-        return validate_arguments ();
-}
-
+        if (argc > option_char && outgoing_critical_threshold == 0) {
+                outgoing_critical_threshold = strtoul(argv[option_char++], NULL, 10);
+        }
 
-int
-validate_arguments (void)
-{
         return OK;
 }
 
-
-void
-print_help (void)
-{
-        print_revision (progname, NP_VERSION);
-
-        printf ("Copyright (c) 1999 Ethan Galstad <nagios@nagios.org>\n");
-        printf (COPYRIGHT, copyright, email);
-
-        printf ("%s\n", _("This plugin will check the incoming/outgoing transfer rates of a router,"));
-  printf ("%s\n", _("switch, etc recorded in an MRTG log.  If the newest log entry is older"));
-  printf ("%s\n", _("than <expire_minutes>, a WARNING status is returned. If either the"));
-  printf ("%s\n", _("incoming or outgoing rates exceed the <icl> or <ocl> thresholds (in"));
-  printf ("%s\n", _("Bytes/sec), a CRITICAL status results.  If either of the rates exceed"));
-  printf ("%s\n", _("the <iwl> or <owl> thresholds (in Bytes/sec), a WARNING status results."));
-
-  printf ("\n\n");
-
-        print_usage ();
-
-        printf (UT_HELP_VRSN);
-        printf (UT_EXTRA_OPTS);
-
-        printf (" %s\n", "-F, --filename=STRING");
-  printf ("    %s\n", _("File to read log from"));
-  printf (" %s\n", "-e, --expires=INTEGER");
-  printf ("    %s\n", _("Minutes after which log expires"));
-  printf (" %s\n", "-a, --aggregation=(AVG|MAX)");
-  printf ("    %s\n", _("Test average or maximum"));
-  printf (" %s\n", "-w, --warning");
-  printf ("    %s\n", _("Warning threshold pair <incoming>,<outgoing>"));
-  printf (" %s\n", "-c, --critical");
-  printf ("    %s\n", _("Critical threshold pair <incoming>,<outgoing>"));
-
-  printf ("\n");
-        printf ("%s\n", _("Notes:"));
-  printf (" %s\n", _("- MRTG stands for Multi Router Traffic Grapher. It can be downloaded from"));
-  printf (" %s\n", "  http://ee-staff.ethz.ch/~oetiker/webtools/mrtg/mrtg.html");
-  printf (" %s\n", _("- While MRTG can monitor things other than traffic rates, this"));
-  printf (" %s\n", _("  plugin probably won't work with much else without modification."));
-  printf (" %s\n", _("- The calculated i/o rates are a little off from what MRTG actually"));
-  printf (" %s\n", _("  reports.  I'm not sure why this is right now, but will look into it"));
-  printf (" %s\n", _("  for future enhancements of this plugin."));
-
-        printf (UT_SUPPORT);
+void print_help(void) {
+        print_revision(progname, NP_VERSION);
+
+        printf("Copyright (c) 1999 Ethan Galstad <nagios@nagios.org>\n");
+        printf(COPYRIGHT, copyright, email);
+
+        printf("%s\n", _("This plugin will check the incoming/outgoing transfer rates of a router,"));
+        printf("%s\n", _("switch, etc recorded in an MRTG log.  If the newest log entry is older"));
+        printf("%s\n", _("than <expire_minutes>, a WARNING status is returned. If either the"));
+        printf("%s\n", _("incoming or outgoing rates exceed the <icl> or <ocl> thresholds (in"));
+        printf("%s\n", _("Bytes/sec), a CRITICAL status results.  If either of the rates exceed"));
+        printf("%s\n", _("the <iwl> or <owl> thresholds (in Bytes/sec), a WARNING status results."));
+
+        printf("\n\n");
+
+        print_usage();
+
+        printf(UT_HELP_VRSN);
+        printf(UT_EXTRA_OPTS);
+
+        printf(" %s\n", "-F, --filename=STRING");
+        printf("    %s\n", _("File to read log from"));
+        printf(" %s\n", "-e, --expires=INTEGER");
+        printf("    %s\n", _("Minutes after which log expires"));
+        printf(" %s\n", "-a, --aggregation=(AVG|MAX)");
+        printf("    %s\n", _("Test average or maximum"));
+        printf(" %s\n", "-w, --warning");
+        printf("    %s\n", _("Warning threshold pair <incoming>,<outgoing>"));
+        printf(" %s\n", "-c, --critical");
+        printf("    %s\n", _("Critical threshold pair <incoming>,<outgoing>"));
+
+        printf("\n");
+        printf("%s\n", _("Notes:"));
+        printf(" %s\n", _("- MRTG stands for Multi Router Traffic Grapher. It can be downloaded from"));
+        printf(" %s\n", "  http://ee-staff.ethz.ch/~oetiker/webtools/mrtg/mrtg.html");
+        printf(" %s\n", _("- While MRTG can monitor things other than traffic rates, this"));
+        printf(" %s\n", _("  plugin probably won't work with much else without modification."));
+        printf(" %s\n", _("- The calculated i/o rates are a little off from what MRTG actually"));
+        printf(" %s\n", _("  reports.  I'm not sure why this is right now, but will look into it"));
+        printf(" %s\n", _("  for future enhancements of this plugin."));
+
+        printf(UT_SUPPORT);
 }
 
-
-
-void
-print_usage (void)
-{
-        printf (_("Usage"));
-  printf (" %s -F <log_file> -a <AVG | MAX> -w <warning_pair>\n",progname);
-  printf ("-c <critical_pair> [-e expire_minutes]\n");
+void print_usage(void) {
+        printf(_("Usage"));
+        printf(" %s -F <log_file> -a <AVG | MAX> -w <warning_pair>\n", progname);
+        printf("-c <critical_pair> [-e expire_minutes]\n");
 }