Added CONFIGUREFLAGS option to Smake.

[pspp-builds.git] / src / casefile.c

diff --git a/src/casefile.c b/src/casefile.c
index 97929c570eaaa81b655cba62f6a2c32dacdfacd7..f43ec8faa4fb22d7e6a25f2ae536c9521b0a41fa 100644 (file)
--- a/src/casefile.c
+++ b/src/casefile.c
@@ -14,8 +14,8 @@
 
    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., 59 Temple Place - Suite 330, Boston, MA
-   02111-1307, USA. */
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+   02110-1301, USA. */
 
 #include <config.h>
 #include "casefile.h"
@@ -34,10 +34,6 @@
 #include "settings.h"
 #include "var.h"
 
-#ifdef HAVE_VALGRIND_VALGRIND_H
-#include <valgrind/valgrind.h>
-#endif
-
 #define IO_BUF_SIZE (8192 / sizeof (union value))
 
 /* A casefile is a sequentially accessible array of immutable
@@ -535,7 +531,8 @@ casereader_get_casefile (const struct casereader *reader)
 }
 
 /* Reads a copy of the next case from READER into C.
-   Caller is responsible for destroying C. */
+   Caller is responsible for destroying C.
+   Returns true if successful, false at end of file. */
 int
 casereader_read (struct casereader *reader, struct ccase *c) 
 {
@@ -572,7 +569,8 @@ casereader_read (struct casereader *reader, struct ccase *c)
 }
 
 /* Reads the next case from READER into C and transfers ownership
-   to the caller.  Caller is responsible for destroying C. */
+   to the caller.  Caller is responsible for destroying C.
+   Returns true if successful, false at end of file. */
 int
 casereader_read_xfer (struct casereader *reader, struct ccase *c)
 {
@@ -594,6 +592,16 @@ casereader_read_xfer (struct casereader *reader, struct ccase *c)
     }
 }
 
+/* Reads the next case from READER into C and transfers ownership
+   to the caller.  Caller is responsible for destroying C.
+   Assert-fails at end of file. */
+void
+casereader_read_xfer_assert (struct casereader *reader, struct ccase *c) 
+{
+  bool success = casereader_read_xfer (reader, c);
+  assert (success);
+}
+
 /* Destroys READER. */
 void
 casereader_destroy (struct casereader *reader)