X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fdata%2Fcasefile-private.h;h=1375dd01bbef3e85a35a29fd616a6548213a2022;hb=4ec88a3abb859304f42a5905231704b2ecfaf711;hp=6e35300be7b5e37e068f01bb8469573cd635054e;hpb=57b436a22d9ae0e395fb2e3ce101c2b5c2e6939e;p=pspp

diff --git a/src/data/casefile-private.h b/src/data/casefile-private.h
index 6e35300be7..1375dd01bb 100644
--- a/src/data/casefile-private.h
+++ b/src/data/casefile-private.h
@@ -1,6 +1,5 @@
 /* PSPP - computes sample statistics.
    Copyright (C) 2004, 2006 Free Software Foundation, Inc.
-   Written by Ben Pfaff <blp@gnu.org>.
 
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
@@ -27,6 +26,7 @@
 struct ccase;
 struct casereader;
 struct casefile;
+struct casefilter;
 
 struct class_casefile
 {
@@ -65,6 +65,8 @@ struct class_casereader
   unsigned long (*cnum) (const struct casereader *);
 
   void (*destroy) (struct casereader * r);
+
+  struct casereader * (*clone) (const struct casereader *);
 };
 
 
@@ -76,6 +78,8 @@ struct casereader
 
   struct casefile *cf;   /* The casefile to which this reader belongs */
   struct ll ll;          /* Element in the casefile's list of readers */
+
+  struct casefilter *filter; /* The filter to be used */
   bool destructive;      /* True if this reader is destructive */
 };