/* PSPP - a program for statistical analysis.
- Copyright (C) 1997-9, 2000, 2009, 2010, 2011, 2012, 2013, 2014 Free Software Foundation, Inc.
+ Copyright (C) 1997-9, 2000, 2009, 2010, 2011, 2012, 2013,
+ 2014, 2020 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
instead. */
struct variable *var_create (const char *name, int width);
struct variable *var_clone (const struct variable *);
-void var_destroy (struct variable *);
+struct variable * var_ref (struct variable *) WARN_UNUSED_RESULT;
+void var_unref (struct variable *);
/* Variable names. */
const char *var_get_name (const struct variable *);
void var_clear_missing_values (struct variable *);
bool var_has_missing_values (const struct variable *);
-bool var_is_value_missing (const struct variable *, const union value *,
- enum mv_class);
-bool var_is_num_missing (const struct variable *, double, enum mv_class);
-bool var_is_str_missing (const struct variable *, const uint8_t[], enum mv_class);
+enum mv_class var_is_value_missing (const struct variable *, const union value *);
+enum mv_class var_is_num_missing (const struct variable *, double);
+enum mv_class var_is_str_missing (const struct variable *, const uint8_t[]);
/* Value labels. */
const char *var_lookup_value_label (const struct variable *,
bool var_must_leave (const struct variable *);
/* Short names. */
-size_t var_get_short_name_cnt (const struct variable *);
+size_t var_get_n_short_names (const struct variable *);
const char *var_get_short_name (const struct variable *, size_t idx);
void var_set_short_name (struct variable *, size_t, const char *);
void var_clear_short_names (struct variable *);