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[collectd.git] / src / collectd-nagios.c

diff --git a/src/collectd-nagios.c b/src/collectd-nagios.c
index 4e4e494..29e34a4 100644 (file)
--- a/src/collectd-nagios.c
+++ b/src/collectd-nagios.c
@@ -19,37 +19,14 @@
  *   Florian octo Forster <octo at verplant.org>
  **/
 
-/* Set to C99 and POSIX code */
-#ifndef _ISOC99_SOURCE
-# define _ISOC99_SOURCE
-#endif
-#ifndef _POSIX_SOURCE
-# define _POSIX_SOURCE
-#endif
-#ifndef _POSIX_C_SOURCE
-# define _POSIX_C_SOURCE 200112L
-#endif
-#ifndef _REENTRANT
-# define _REENTRANT
-#endif
-
-/* Disable non-standard extensions */
-#ifdef _BSD_SOURCE
-# undef _BSD_SOURCE
-#endif
-#ifdef _SVID_SOURCE
-# undef _SVID_SOURCE
-#endif
-#ifdef _GNU_SOURCE
-# undef _GNU_SOURCE
+#if HAVE_CONFIG_H
+# include "config.h"
 #endif
 
 #if !defined(__GNUC__) || !__GNUC__
 # define __attribute__(x) /**/
 #endif
 
-#include "config.h"
-
 #include <stdlib.h>
 #include <unistd.h>
 #include <stdio.h>
@@ -165,7 +142,7 @@ static int filter_ds (size_t *values_num,
                return (RET_UNKNOWN);
        }
 
-       for (i = 0; i < match_ds_num_g; i++)
+       for (i = 0; i < (size_t) match_ds_num_g; i++)
        {
                size_t j;
 
@@ -298,7 +275,7 @@ static int do_check_con_none (size_t values_num,
        int num_okay = 0;
        const char *status_str = "UNKNOWN";
        int status_code = RET_UNKNOWN;
-       int i;
+       size_t i;
 
        for (i = 0; i < values_num; i++)
        {
@@ -349,7 +326,7 @@ static int do_check_con_none (size_t values_num,
 static int do_check_con_average (size_t values_num,
                double *values, char **values_names)
 {
-       int i;
+       size_t i;
        double total;
        int total_num;
        double average;
@@ -402,7 +379,7 @@ static int do_check_con_average (size_t values_num,
 static int do_check_con_sum (size_t values_num,
                double *values, char **values_names)
 {
-       int i;
+       size_t i;
        double total;
        int total_num;
        const char *status_str = "UNKNOWN";
@@ -452,7 +429,7 @@ static int do_check_con_sum (size_t values_num,
 static int do_check_con_percentage (size_t values_num,
                double *values, char **values_names)
 {
-       int i;
+       size_t i;
        double sum = 0.0;
        double percentage;
 
@@ -617,7 +594,11 @@ int main (int argc, char **argv)
                                else if (strcasecmp (optarg, "percentage") == 0)
                                        consolitation_g = CON_PERCENTAGE;
                                else
+                               {
+                                       fprintf (stderr, "Unknown consolidation function `%s'.\n",
+                                                       optarg);
                                        usage (argv[0]);
+                               }
                                break;
                        case 'd':
                        {
@@ -649,7 +630,10 @@ int main (int argc, char **argv)
 
        if ((socket_file_g == NULL) || (value_string_g == NULL)
                        || (hostname_g == NULL))
+       {
+               fprintf (stderr, "Missing required arguments.\n");
                usage (argv[0]);
+       }
 
        return (do_check ());
 } /* int main */