/* PSPP - a program for statistical analysis.
- Copyright (C) 1997-9, 2000 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 "xalloc.h"
-/* Return -1 if the id of a is less than b; +1 if greater than and
- 0 if equal */
-int
-compare_group (const struct group_statistics *a,
- const struct group_statistics *b,
- int width)
-{
- return compare_values(&a->id, &b->id, width);
-}
-
-
-
-unsigned
-hash_group (const struct group_statistics *g, int width)
-{
- unsigned id_hash;
-
- id_hash = hash_value(&g->id, width);
-
- return id_hash;
-}
-
-
void
free_group (struct group_statistics *v, void *aux UNUSED)
{
free(v);
}
+static void
+group_proc_dtor (struct variable *var)
+{
+ struct group_proc *group = var_detach_aux (var);
+
+ hsh_destroy (group->group_hash);
+ free (group);
+}
struct group_proc *
group_proc_get (const struct variable *v)
struct group_proc *group = var_get_aux (v);
if (group == NULL)
{
- group = xmalloc (sizeof (struct group_proc));
- var_attach_aux (v, group, var_dtor_free);
+ group = xzalloc (sizeof *group);
+ var_attach_aux (v, group, group_proc_dtor);
}
return group;
}