Merge branch 'collectd-5.8'

[collectd.git] / src / tape.c

diff --git a/src/tape.c b/src/tape.c
index 368acc4..26bd969 100644 (file)
--- a/src/tape.c
+++ b/src/tape.c
@@ -29,10 +29,14 @@
 #error "No applicable input method."
 #endif
 
+#if HAVE_KSTAT_H
+#include <kstat.h>
+#endif
+
 #define MAX_NUMTAPE 256
 extern kstat_ctl_t *kc;
 static kstat_t *ksp[MAX_NUMTAPE];
-static int numtape = 0;
+static int numtape;
 
 static int tape_init(void) {
   kstat_t *ksp_chain;
@@ -40,7 +44,7 @@ static int tape_init(void) {
   numtape = 0;
 
   if (kc == NULL)
-    return (-1);
+    return -1;
 
   for (numtape = 0, ksp_chain = kc->kc_chain;
        (numtape < MAX_NUMTAPE) && (ksp_chain != NULL);
@@ -52,20 +56,18 @@ static int tape_init(void) {
     ksp[numtape++] = ksp_chain;
   }
 
-  return (0);
+  return 0;
 } /* int tape_init */
 
 static void tape_submit(const char *plugin_instance, const char *type,
                         derive_t read, derive_t write) {
-  value_t values[2];
   value_list_t vl = VALUE_LIST_INIT;
-
-  values[0].derive = read;
-  values[1].derive = write;
+  value_t values[] = {
+      {.derive = read}, {.derive = write},
+  };
 
   vl.values = values;
-  vl.values_len = 2;
-  sstrncpy(vl.host, hostname_g, sizeof(vl.host));
+  vl.values_len = STATIC_ARRAY_SIZE(values);
   sstrncpy(vl.plugin, "tape", sizeof(vl.plugin));
   sstrncpy(vl.plugin_instance, plugin_instance, sizeof(vl.plugin_instance));
   sstrncpy(vl.type, type, sizeof(vl.type));
@@ -96,10 +98,10 @@ static int tape_read(void) {
   static kstat_io_t kio;
 
   if (kc == NULL)
-    return (-1);
+    return -1;
 
   if (numtape <= 0)
-    return (-1);
+    return -1;
 
   for (int i = 0; i < numtape; i++) {
     if (kstat_read(kc, ksp[i], &kio) == -1)
@@ -114,7 +116,7 @@ static int tape_read(void) {
     }
   }
 
-  return (0);
+  return 0;
 }
 
 void module_register(void) {