From 4dfc457f7f121b2eebf4d0cb7507541f146011cc Mon Sep 17 00:00:00 2001
From: Knut Wannheden <knut.wannheden@gmail.com>
Date: Fri, 26 Jul 2019 07:35:22 +0200
Subject: [PATCH] [jOOQ/jOOQ#8984] Address potential NumberFormatException

---
 .../main/java/org/jooq/meta/tools/FilenameComparator.java   | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/jOOQ-meta/src/main/java/org/jooq/meta/tools/FilenameComparator.java b/jOOQ-meta/src/main/java/org/jooq/meta/tools/FilenameComparator.java
index 400091a056..effdb4ecf2 100644
--- a/jOOQ-meta/src/main/java/org/jooq/meta/tools/FilenameComparator.java
+++ b/jOOQ-meta/src/main/java/org/jooq/meta/tools/FilenameComparator.java
@@ -82,7 +82,7 @@ public final class FilenameComparator implements Comparator<String> {
             char c2 = split2[i].charAt(0);
             int cmp = 0;
 
-            if (c1 >= '0' && c1 <= '9' && c2 >= 0 && c2 <= '9')
+            if (c1 >= '0' && c1 <= '9' && c2 >= '0' && c2 <= '9')
                 cmp = new BigInteger(split1[i]).compareTo(new BigInteger(split2[i]));
 
             if (cmp == 0)
@@ -94,4 +94,8 @@ public final class FilenameComparator implements Comparator<String> {
 
         return split1.length - split2.length;
     }
+
+    public static void main(String[] args) {
+        INSTANCE.compare("0", new String(new byte[] { 0 }));
+    }
 }