X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fdata%2Fcasegrouper.c;h=f5974a404b0a6200729548a62a2d67afde684323;hb=5b5f08a99c564c2f3e981ae0efe21ffc3c578ac4;hp=8a392afbab8be62531b68c9f3890818e88df4630;hpb=5da5a98055ad574120c3e3922af097411a0dcf3a;p=pspp-builds.git
diff --git a/src/data/casegrouper.c b/src/data/casegrouper.c
index 8a392afb..f5974a40 100644
--- a/src/data/casegrouper.c
+++ b/src/data/casegrouper.c
@@ -1,20 +1,18 @@
-/* PSPP - computes sample statistics.
+/* PSPP - a program for statistical analysis.
Copyright (C) 2007 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 the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
+ 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
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
- This program is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301, USA. */
+ along with this program. If not, see . */
#include
@@ -112,9 +110,18 @@ casegrouper_get_next_group (struct casegrouper *grouper,
{
if (grouper->reader != NULL)
{
- *reader = grouper->reader;
- grouper->reader = NULL;
- return true;
+ if (!casereader_is_empty (grouper->reader))
+ {
+ *reader = grouper->reader;
+ grouper->reader = NULL;
+ return true;
+ }
+ else
+ {
+ casereader_destroy (grouper->reader);
+ grouper->reader = NULL;
+ return false;
+ }
}
else
{