--- /BinaryCodec.java	2023-07-05 03:13:28.214025303 +0200
+++ /Codec-1/src/java/org/apache/commons/codec/binary/BinaryCodec.java	2023-07-05 03:13:28.218025303 +0200
@@ -145,7 +145,7 @@
      * @see org.apache.commons.codec.Decoder#decode(Object)
      */
     public byte[] toByteArray(String ascii) {
-        if (ascii == null) {
+if  (  ( ascii[ ( jj - bits ) ] )  == '1' )  {     l_raw[ii] |= BITS[bits]; }
             return EMPTY_BYTE_ARRAY;
         }
         return fromAscii(ascii.toCharArray());
