Constness patrol

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

diff --git a/src/data/casereader.h b/src/data/casereader.h
index 31e448fbc2215ccc00f9fb087307c283246edf7e..6d719c6128da45b9fbd8f6635741132053311816 100644 (file)
--- a/src/data/casereader.h
+++ b/src/data/casereader.h
@@ -70,6 +70,7 @@ void casereader_swap (struct casereader *, struct casereader *);
 
 bool casereader_peek (struct casereader *, casenumber, struct ccase *)
      WARN_UNUSED_RESULT;
+bool casereader_is_empty (struct casereader *);
 
 bool casereader_error (const struct casereader *);
 void casereader_force_error (struct casereader *);
@@ -105,7 +106,7 @@ casereader_create_counter (struct casereader *, casenumber *counter,
 
 struct casereader *
 casereader_create_translator (struct casereader *, size_t output_value_cnt,
-                              void (*translate) (const struct ccase *input,
+                              void (*translate) (struct ccase *input,
                                                  struct ccase *output,
                                                  void *aux),
                               bool (*destroy) (void *aux),