/* PSPP - a program for statistical analysis.
- Copyright (C) 1997-9, 2000, 2009 Free Software Foundation, Inc.
+ Copyright (C) 1997-9, 2000, 2009, 2011 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include <stdbool.h>
#include <stddef.h>
-#include <data/value.h>
-#include <libpspp/hmap.h>
+#include "data/value.h"
+#include "libpspp/hmap.h"
/* One value label.
{
struct hmap_node node; /* Node in hash map. */
union value value; /* The value being labeled. */
- struct atom *label; /* A ref-counted string. */
+ const char *label; /* An interned string. */
};
/* Returns the value in VL. The caller must not modify or free
return &vl->value;
}
-const char *val_lab_get_label (const struct val_lab *);
+/* Returns the label in VL. The caller must not modify or free the returned
+ value. */
+static inline const char *
+val_lab_get_label (const struct val_lab *vl)
+{
+ return vl->label;
+}
\f
/* A set of value labels. */
struct val_labs
/* Looking up value labels. */
const char *val_labs_find (const struct val_labs *, const union value *);
-const struct val_lab *val_labs_lookup (const struct val_labs *,
+struct val_lab *val_labs_lookup (const struct val_labs *,
const union value *);
/* Basic properties. */
/* Adding value labels. */
bool val_labs_add (struct val_labs *, const union value *, const char *);
void val_labs_replace (struct val_labs *, const union value *, const char *);
-void val_labs_remove (struct val_labs *, const struct val_lab *);
+void val_labs_remove (struct val_labs *, struct val_lab *);
/* Iterating through value labels. */
const struct val_lab *val_labs_first (const struct val_labs *);