Implement variable and data file attributes.

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

diff --git a/src/data/variable.h b/src/data/variable.h
index d2820d34bbeff2b4b750ff6ff71cfd6b86faeadc..ecfa6b765ec8447da8ce58f53506d77035cf2bec 100644 (file)
--- a/src/data/variable.h
+++ b/src/data/variable.h
@@ -50,6 +50,8 @@ unsigned hash_var_by_name (const void *, const void *);
 int compare_var_ptrs_by_name (const void *, const void *, const void *);
 unsigned hash_var_ptr_by_name (const void *, const void *);
 
+int compare_var_ptrs_by_dict_index (const void *, const void *, const void *);
+
 /* Types and widths of values associated with a variable. */
 enum val_type var_get_type (const struct variable *);
 int var_get_width (const struct variable *);
@@ -175,6 +177,11 @@ struct cat_vals *var_get_obs_vals (const struct variable *);
 void var_set_obs_vals (const struct variable *, struct cat_vals *);
 bool var_has_obs_vals (const struct variable *);
 
+/* Custom attributes. */
+struct attrset *var_get_attributes (const struct variable *);
+void var_set_attributes (struct variable *, const struct attrset *);
+bool var_has_attributes (const struct variable *);
+
 /* Function types. */
 typedef bool var_predicate_func (const struct variable *);