Format BSD constrained sysctl usage

[collectd.git] / src / memory.c

diff --git a/src/memory.c b/src/memory.c
index 10bccde..107e867 100644 (file)
--- a/src/memory.c
+++ b/src/memory.c
@@ -28,7 +28,9 @@
 #include "plugin.h"
 #include "utils/common/common.h"
 
-#ifdef HAVE_SYS_SYSCTL_H
+#if (defined(HAVE_SYS_SYSCTL_H) && defined(HAVE_SYSCTLBYNAME)) ||              \
+    defined(__OpenBSD__)
+/* Implies BSD variant */
 #include <sys/sysctl.h>
 #endif
 #ifdef HAVE_SYS_VMMETER_H
@@ -80,9 +82,10 @@ static kstat_t *ksp;
 static kstat_t *ksz;
 /* #endif HAVE_LIBKSTAT */
 
-#elif HAVE_SYSCTL
+#elif HAVE_SYSCTL && __OpenBSD__
+/* OpenBSD variant does not have sysctlbyname */
 static int pagesize;
-/* #endif HAVE_SYSCTL */
+/* #endif HAVE_SYSCTL && __OpenBSD__ */
 
 #elif HAVE_LIBSTATGRAB
 /* no global variables */
@@ -142,13 +145,14 @@ static int memory_init(void) {
 
     /* #endif HAVE_LIBKSTAT */
 
-#elif HAVE_SYSCTL
+#elif HAVE_SYSCTL && __OpenBSD__
+  /* OpenBSD variant does not have sysctlbyname */
   pagesize = getpagesize();
   if (pagesize <= 0) {
     ERROR("memory plugin: Invalid pagesize: %i", pagesize);
     return -1;
   }
-    /* #endif HAVE_SYSCTL */
+    /* #endif HAVE_SYSCTL && __OpenBSD__ */
 
 #elif HAVE_LIBSTATGRAB
 /* no init stuff */
@@ -408,7 +412,8 @@ static int memory_read_internal(value_list_t *vl) {
                 (gauge_t)arcsize, "unusable", (gauge_t)mem_unus);
   /* #endif HAVE_LIBKSTAT */
 
-#elif HAVE_SYSCTL
+#elif HAVE_SYSCTL && __OpenBSD__
+  /* OpenBSD variant does not have HAVE_SYSCTLBYNAME */
   int mib[] = {CTL_VM, VM_METER};
   struct vmtotal vmtotal = {0};
   gauge_t mem_active;
@@ -430,7 +435,7 @@ static int memory_read_internal(value_list_t *vl) {
 
   MEMORY_SUBMIT("active", mem_active, "inactive", mem_inactive, "free",
                 mem_free);
-  /* #endif HAVE_SYSCTL */
+  /* #endif HAVE_SYSCTL && __OpenBSD__ */
 
 #elif HAVE_LIBSTATGRAB
   sg_mem_stats *ios;