/* PSPP - a program for statistical analysis.
- Copyright (C) 1997-9, 2000, 2007 Free Software Foundation, Inc.
+ Copyright (C) 1997-9, 2000, 2007, 2009 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
for (; casegrouper_get_next_group (grouper, &group);
casereader_destroy (group))
{
- struct ccase c;
+ struct ccase *c;
precalc (group, ds);
- for (; casereader_read (group, &c); case_destroy (&c))
- calc (&c, ds);
+ for (; (c = casereader_read (group)) != NULL; case_unref (c))
+ calc (c, ds);
postcalc ();
}
ok = casegrouper_destroy (grouper);
static void
precalc (struct casereader *input, struct dataset *ds)
{
- struct ccase c;
+ struct ccase *c;
size_t i;
- if (casereader_peek (input, 0, &c))
+ c = casereader_peek (input, 0);
+ if (c != NULL)
{
- output_split_file_values (ds, &c);
- case_destroy (&c);
+ output_split_file_values (ds, c);
+ case_unref (c);
}
pool_destroy (data_pool);