#ifndef FILE_HANDLE_DEF_H
#define FILE_HANDLE_DEF_H
+#include "libpspp/compiler.h"
#include <stdbool.h>
#include <stddef.h>
const struct fh_properties *fh_default_properties (void);
/* Reference management. */
-struct file_handle *fh_ref (struct file_handle *);
+struct file_handle *fh_ref (struct file_handle *) WARN_UNUSED_RESULT;
void fh_unref (struct file_handle *);
void fh_unname (struct file_handle *);
/* Finding file handles. */
struct file_handle *fh_from_id (const char *handle_name);
-struct file_handle *fh_from_file_name (const char *file_name);
struct file_handle *fh_inline_file (void);
/* Generic properties of file handles. */