Added abstract factory to create casefiles. Updated procedures to use

[pspp-builds.git] / src / math / sort.h

diff --git a/src/math/sort.h b/src/math/sort.h
index 267384b29c2c71a88eafa9e5af02e6706bbb3af5..c6f86e9f4d39990a851b0b02c8a34fbfd164a4a6 100644 (file)
--- a/src/math/sort.h
+++ b/src/math/sort.h
@@ -1,6 +1,5 @@
 /* PSPP - computes sample statistics.
    Copyright (C) 1997-9, 2000 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
@@ -26,6 +25,7 @@
 struct casereader;
 struct dictionary;
 struct variable;
+struct casefile_factory;
 
 extern int min_buffers ;
 extern int max_buffers ;
@@ -58,10 +58,15 @@ struct sort_criteria
 void sort_destroy_criteria (struct sort_criteria *);
 
 struct casefile *sort_execute (struct casereader *,
-                               const struct sort_criteria *);
+                               const struct sort_criteria *,
+                              struct casefile_factory *
+                              );
 
-int sort_active_file_in_place (const struct sort_criteria *);
+struct dataset ;
+bool sort_active_file_in_place (struct dataset *ds, 
+                               const struct sort_criteria *);
 
-struct casefile *sort_active_file_to_casefile (const struct sort_criteria *);
+struct casefile *sort_active_file_to_casefile (struct dataset *ds, 
+                                              const struct sort_criteria *);
 
 #endif /* !sort_h */