Make interactive output go to the terminal (bug #17213), by

[pspp] / src / libpspp / getl.c

diff --git a/src/libpspp/getl.c b/src/libpspp/getl.c
index 5a6a38d6c2b5113c4332ab1085b5548b69f04034..b4617122677840ecd65a9670a3d424e3f03964d6 100644 (file)
--- a/src/libpspp/getl.c
+++ b/src/libpspp/getl.c
@@ -1,20 +1,18 @@
-/* PSPP - computes sample statistics.
+/* PSPP - a program for statistical analysis.
    Copyright (C) 1997-9, 2000, 2006 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 <http://www.gnu.org/licenses/>. */
 
 #include <stdlib.h>
 #include <config.h>
@@ -96,7 +94,7 @@ getl_append_source (struct source_stream *ss, struct getl_interface *i)
 
   s->interface = i ;
 
-  ll_push_head (&ss->sources, &s->ll);
+  ll_push_tail (&ss->sources, &s->ll);
 }
 
 /* Nests source S within the current source file. */
@@ -212,6 +210,7 @@ bool
 getl_read_line (struct source_stream *ss, struct string *line,
                enum getl_syntax *syntax)
 {
+  assert (ss != NULL);
   while (!ll_is_empty (&ss->sources))
     {
       struct getl_source *s = current_source (ss);