1 files changed, 6 insertions, 7 deletions
diff --git a/zfs/ZfsArcMeter.c b/zfs/ZfsArcMeter.c
index 9bfc44b7..e844d779 100644
--- a/zfs/ZfsArcMeter.c
+++ b/zfs/ZfsArcMeter.c
@@ -33,17 +33,16 @@ void ZfsArcMeter_readStats(Meter* this, const ZfsArcStats* stats) {
    this->values[5] = stats->size;
 }
 
-static void ZfsArcMeter_updateValues(Meter* this, char* buffer, int size) {
+static void ZfsArcMeter_updateValues(Meter* this, char* buffer, size_t size) {
    int written;
    Platform_setZfsArcValues(this);
 
    written = Meter_humanUnit(buffer, this->values[5], size);
-   buffer += written;
-   if ((size -= written) > 0) {
-      *buffer++ = '/';
-      size--;
-      Meter_humanUnit(buffer, this->total, size);
-   }
+   METER_BUFFER_CHECK(buffer, size, written);
+
+   METER_BUFFER_APPEND_CHR(buffer, size, '/');
+
+   Meter_humanUnit(buffer, this->total, size);
 }
 
 static void ZfsArcMeter_display(const Object* cast, RichString* out) {