diff --git a/libtransmission/torrent.c b/libtransmission/torrent.c
index 241b6c9b5..65915b360 100644
--- a/libtransmission/torrent.c
+++ b/libtransmission/torrent.c
@@ -1265,3 +1265,30 @@ tr_torrentSetFileDLs ( tr_torrent_t   * tor,
 
     tr_torrentWriterUnlock( tor );
 }
+
+cp_status_t
+tr_torrentGetFileStatus( const tr_torrent_t * tor, int fileIndex )
+{
+    int i;
+    int isComplete;
+    const tr_file_t * file;
+
+    assert( tor != NULL );
+    assert( 0<=fileIndex );
+    assert( fileIndex<tor->info.fileCount );
+
+    file = &tor->info.files[fileIndex];
+
+    isComplete = TRUE;
+    for( i=file->firstPiece; isComplete && i<=file->lastPiece; ++i )
+        if( !tr_cpPieceIsComplete( tor->completion, i ) )
+            isComplete = FALSE;
+
+    if( isComplete )
+        return TR_CP_COMPLETE;
+
+    if( file->dnd )
+        return TR_CP_DONE;
+
+    return TR_CP_INCOMPLETE;
+}
diff --git a/libtransmission/transmission.h b/libtransmission/transmission.h
index 9d13b482e..422e26d63 100644
--- a/libtransmission/transmission.h
+++ b/libtransmission/transmission.h
@@ -246,6 +246,18 @@ void tr_torrentSetFileDLs ( tr_torrent_t   * tor,
 void tr_torrentSetFileDL( tr_torrent_t *, int file, int do_download );
 
 
+typedef enum
+{
+    TR_CP_INCOMPLETE,   /* doesn't have all the desired pieces */
+    TR_CP_DONE,         /* has all the pieces but the DND ones */
+    TR_CP_COMPLETE      /* has every piece */
+}
+cp_status_t;
+
+cp_status_t tr_torrentGetFileStatus( const tr_torrent_t  * tor,
+                                     int                   fileIndex );
+
+
 /***********************************************************************
  * tr_torrentRates
  ***********************************************************************
@@ -534,14 +546,6 @@ struct tr_info_s
     tr_file_t          * files;
 };
 
-typedef enum
-{
-    TR_CP_INCOMPLETE,   /* doesn't have all the desired pieces */
-    TR_CP_DONE,         /* has all the pieces but the DND ones */
-    TR_CP_COMPLETE      /* has every piece */
-}
-cp_status_t;
-
 typedef enum
 {
     TR_STATUS_CHECK_WAIT   = (1<<0), /* Waiting in queue to check files */