Add random access to casefiles, for use in GUI.

[pspp-builds.git] / src / data / casefile.h

diff --git a/src/data/casefile.h b/src/data/casefile.h
index e60566e6327b7c5ee8b4a6cf0667a15fe5022196..ab60e192798cbea20d0a142cb2ef06727e03c492 100644 (file)
--- a/src/data/casefile.h
+++ b/src/data/casefile.h
@@ -44,12 +44,15 @@ bool casefile_append_xfer (struct casefile *, struct ccase *);
 void casefile_mode_reader (struct casefile *);
 struct casereader *casefile_get_reader (const struct casefile *);
 struct casereader *casefile_get_destructive_reader (struct casefile *);
+struct casereader *casefile_get_random_reader (const struct casefile *);
 
 const struct casefile *casereader_get_casefile (const struct casereader *);
 bool casereader_read (struct casereader *, struct ccase *);
 bool casereader_read_xfer (struct casereader *, struct ccase *);
 void casereader_destroy (struct casereader *);
 
+void casereader_seek (struct casereader *, unsigned long case_idx);
+
 unsigned long casereader_cnum(const struct casereader *);
 
 #endif /* casefile.h */