#include <config.h>
-#include "scratch-reader.h"
+#include <data/scratch-reader.h>
#include <stdlib.h>
-#include "dictionary.h"
-#include "file-handle-def.h"
-#include "scratch-handle.h"
#include <data/case.h>
#include <data/casereader.h>
+#include <data/dictionary.h>
+#include <data/file-handle-def.h>
+#include <data/scratch-handle.h>
+#include <libpspp/assertion.h>
#include <libpspp/message.h>
#include "xalloc.h"
{
struct scratch_handle *sh;
- if (!fh_open (fh, FH_REF_SCRATCH, "scratch file", "rs"))
- return NULL;
+ /* We don't bother doing fh_lock or fh_ref on the file handle,
+ as there's no advantage in this case, and doing these would
+ require us to keep track of the "struct file_handle" and
+ "struct fh_lock" and undo our work later. */
+ assert (fh_get_referent (fh) == FH_REF_SCRATCH);
sh = fh_get_scratch_handle (fh);
if (sh == NULL || sh->casereader == NULL)