Cleanup old bytes after update

src/commonMain/kotlin/nl/astraeus/tba/SlicedByteArray.kt

@@ -1,5 +1,7 @@
 package nl.astraeus.tba
 
+import kotlin.math.min
+
 class SlicedByteArray(
   val data: ByteArray,
   val offset: Int,
@@ -129,6 +131,11 @@ class SlicedByteArray(
     }
     this.setShort(offset + index, bytes.size.toShort())
     bytes.copyInto(data, offset + index + 2)
+    data.fill(
+      0,
+      offset + index + 2 + bytes.size,
+      offset + index + maxLength
+    )
   }
 
   fun setClob(index: Int, value: String, maxLength: Int) {
@@ -138,6 +145,11 @@ class SlicedByteArray(
     }
     this.setInt(offset + index, bytes.size)
     bytes.copyInto(data, offset + index + 4)
+    data.fill(
+      0,
+      offset + index + 4 + bytes.size,
+      offset + index + maxLength
+    )
   }
 
   fun setBlob(index: Int, bytes: SlicedByteArray, maxLength: Int) {
@@ -145,7 +157,12 @@ class SlicedByteArray(
       throw IllegalArgumentException("Blob is too long")
     }
     this.setInt(offset + index, bytes.size)
-    bytes.copyInto(data, offset + index + 4, maxLength)
+    bytes.copyInto(data, offset + index + 4, bytes.size)
+    data.fill(
+      0,
+      offset + index + 4 + bytes.size,
+      offset + index + maxLength
+    )
   }
 
   companion object {