Made case_{reader,writer}_class structures const.

[pspp-builds.git] / src / data / casereader-translator.c

diff --git a/src/data/casereader-translator.c b/src/data/casereader-translator.c
index 523afe3fd0d9a757f5eff40c091ea372a281669d..b857b5b880e2d4b9cd71c1a5c49e008cf93a5e9f 100644 (file)
--- a/src/data/casereader-translator.c
+++ b/src/data/casereader-translator.c
@@ -33,13 +33,12 @@ struct casereader_translator
   {
     struct casereader *subreader; /* Source of input cases. */
 
-    void (*translate) (const struct ccase *input, struct ccase *output,
-                       void *aux);
+    void (*translate) (struct ccase *input, struct ccase *output, void *aux);
     bool (*destroy) (void *aux);
     void *aux;
   };
 
-static struct casereader_class casereader_translator_class;
+static const struct casereader_class casereader_translator_class;
 
 /* Creates and returns a new casereader whose cases are produced
    by reading from SUBREADER and passing through TRANSLATE, which
@@ -56,7 +55,7 @@ static struct casereader_class casereader_translator_class;
 struct casereader *
 casereader_create_translator (struct casereader *subreader,
                               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),
@@ -104,7 +103,7 @@ casereader_translator_destroy (struct casereader *reader UNUSED, void *ct_)
 }
 
 /* Casereader class for translating casereader. */
-static struct casereader_class casereader_translator_class =
+static const struct casereader_class casereader_translator_class =
   {
     casereader_translator_read,
     casereader_translator_destroy,