X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fvfm.h;h=b35a0abdda4d338a223f958bbde9e6f9291c098d;hb=c0240125a4702cccce5d4ea1d58d9e7f3d739dff;hp=5d9403bbdea43f8edaf61741e585c9dc3733974c;hpb=b9e28aa5614a079548c616bcf97aa804024ad647;p=pspp

diff --git a/src/vfm.h b/src/vfm.h
index 5d9403bbde..b35a0abdda 100644
--- a/src/vfm.h
+++ b/src/vfm.h
@@ -14,8 +14,8 @@
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-   02111-1307, USA. */
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+   02110-1301, USA. */
 
 #if !vfm_h
 #define vfm_h 1
@@ -36,7 +36,6 @@ extern struct case_source *vfm_source;
 struct case_source 
   {
     const struct case_source_class *class;      /* Class. */
-    size_t value_cnt;   /* Number of `union value's in case. */
     void *aux;          /* Auxiliary data. */
   };
 
@@ -69,13 +68,15 @@ extern const struct case_source_class sort_source_class;
 
 struct dictionary;
 struct case_source *create_case_source (const struct case_source_class *,
-                                        const struct dictionary *,
                                         void *);
+void free_case_source (struct case_source *);
+
 int case_source_is_complex (const struct case_source *);
 int case_source_is_class (const struct case_source *,
                           const struct case_source_class *);
 
 struct casefile *storage_source_get_casefile (struct case_source *);
+struct case_source *storage_source_create (struct casefile *);
 
 /* The replacement active file, to which cases are written. */
 extern struct case_sink *vfm_sink;
@@ -85,11 +86,6 @@ struct case_sink
   {
     const struct case_sink_class *class;        /* Class. */
     void *aux;          /* Auxiliary data. */
-
-    /* Cases written to a case sink belong to a dictionary, but
-       their data is compacted to drop scratch variables. */
-    const struct dictionary *dict;      /* Dictionary for cases. */
-    int *idx_to_fv;     /* `dict' index -> case `data' index. */
     size_t value_cnt;   /* Number of `union value's in case. */
   };
 
@@ -107,9 +103,10 @@ struct case_sink_class
     /* Closes and destroys the sink. */
     void (*destroy) (struct case_sink *);
 
-    /* Closes and destroys the sink and returns a source that can
-       read back the cases that were written, perhaps transformed
-       in some way. */
+    /* Closes the sink and returns a source that can read back
+       the cases that were written, perhaps transformed in some
+       way.  The sink must still be separately destroyed by
+       calling destroy(). */
     struct case_source *(*make_source) (struct case_sink *);
   };