Fix /proc/net output parsing and number formatting (#195)

2 files changed, 8 insertions, 5 deletions

diff --git a/spark-common/src/main/java/me/lucko/spark/common/util/FormatUtil.java b/spark-common/src/main/java/me/lucko/spark/common/util/FormatUtil.java
index cbc496d..c4a3d66 100644
--- a/spark-common/src/main/java/me/lucko/spark/common/util/FormatUtil.java
+++ b/spark-common/src/main/java/me/lucko/spark/common/util/FormatUtil.java
@@ -23,6 +23,8 @@ package me.lucko.spark.common.util;
 import net.kyori.adventure.text.Component;
 import net.kyori.adventure.text.format.TextColor;
 
+import java.util.Locale;
+
 public enum FormatUtil {
     ;
 
@@ -34,23 +36,23 @@ public enum FormatUtil {
     }
 
     public static String formatBytes(long bytes) {
-        if (bytes == 0) {
+        if (bytes <= 0) {
             return "0 bytes";
         }
         int sizeIndex = (int) (Math.log(bytes) / Math.log(1024));
-        return String.format("%.1f", bytes / Math.pow(1024, sizeIndex)) + " " + SIZE_UNITS[sizeIndex];
+        return String.format(Locale.ENGLISH, "%.1f", bytes / Math.pow(1024, sizeIndex)) + " " + SIZE_UNITS[sizeIndex];
     }
 
     public static Component formatBytes(long bytes, TextColor color, String suffix) {
         String value;
         String unit;
 
-        if (bytes == 0) {
+        if (bytes <= 0) {
             value = "0";
             unit = "KB" + suffix;
         } else {
             int sizeIndex = (int) (Math.log(bytes) / Math.log(1024));
-            value = String.format("%.1f", bytes / Math.pow(1024, sizeIndex));
+            value = String.format(Locale.ENGLISH, "%.1f", bytes / Math.pow(1024, sizeIndex));
             unit = SIZE_UNITS[sizeIndex] + suffix;
         }
 
diff --git a/spark-common/src/main/java/me/lucko/spark/common/util/StatisticFormatter.java b/spark-common/src/main/java/me/lucko/spark/common/util/StatisticFormatter.java
index 24e49fa..22ee9bb 100644
--- a/spark-common/src/main/java/me/lucko/spark/common/util/StatisticFormatter.java
+++ b/spark-common/src/main/java/me/lucko/spark/common/util/StatisticFormatter.java
@@ -27,6 +27,7 @@ import net.kyori.adventure.text.TextComponent;
 import net.kyori.adventure.text.format.TextColor;
 
 import java.lang.management.MemoryUsage;
+import java.util.Locale;
 
 import static net.kyori.adventure.text.Component.text;
 import static net.kyori.adventure.text.format.NamedTextColor.DARK_GRAY;
@@ -76,7 +77,7 @@ public enum StatisticFormatter {
             color = GREEN;
         }
 
-        return text(String.format("%.1f", duration), color);
+        return text(String.format(Locale.ENGLISH, "%.1f", duration), color);
     }
 
     public static TextComponent formatCpuUsage(double usage) {