Change return type of KaitaiStream.pos() to long

Author: Mingun

src/main/java/io/kaitai/struct/ByteBufferKaitaiStream.java

@@ -248,8 +248,8 @@ public void seek(long newPos) {
     }
 
     @Override
-    public int pos() {
-        return bb.position() + ((bitsWriteMode && bitsLeft > 0) ? 1 : 0);
+    public long pos() {
+        return bb.position() + ((bitsWriteMode && bitsLeft > 0) ? 1L : 0L);
     }
 
     @Override

src/main/java/io/kaitai/struct/KaitaiStream.java

@@ -122,7 +122,7 @@ public abstract class KaitaiStream implements Closeable {
      * Get current position of a stream pointer.
      * @return pointer position, number of bytes from the beginning of the stream
      */
-    abstract public int pos();
+    abstract public long pos();
 
     /**
      * Get total size of the stream in bytes.

src/main/java/io/kaitai/struct/RandomAccessFileKaitaiStream.java

@@ -111,10 +111,9 @@ public void seek(long newPos) {
     }
 
     @Override
-    public int pos() {
+    public long pos() {
         try {
-            // FIXME cast
-            return (int) raf.getFilePointer() + ((bitsWriteMode && bitsLeft > 0) ? 1 : 0);
+            return raf.getFilePointer() + ((bitsWriteMode && bitsLeft > 0) ? 1L : 0L);
         } catch (IOException e) {
             throw new RuntimeException(e);
         }