pspp: Fix interactive usability for multi-line commands.

[pspp-builds.git] / src / ui / terminal / read-line.c

diff --git a/src/ui/terminal/read-line.c b/src/ui/terminal/read-line.c
index 493a3d63cf5bd6399e7ea90de6081ae59d967e5c..54f90858a5d90542aa70d0d7bade755d5ecd9621 100644 (file)
--- a/src/ui/terminal/read-line.c
+++ b/src/ui/terminal/read-line.c
@@ -1,5 +1,5 @@
 /* PSPP - a program for statistical analysis.
-   Copyright (C) 1997-9, 2000, 2007 Free Software Foundation, Inc.
+   Copyright (C) 1997-9, 2000, 2007, 2009 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
@@ -22,18 +22,22 @@
 #include <stdbool.h>
 #include <assert.h>
 #include <errno.h>
+#if ! HAVE_READLINE
+#include <stdint.h>
+#endif
 
 #include "msg-ui.h"
 
 #include <data/file-name.h>
 #include <data/settings.h>
 #include <language/command.h>
+#include <libpspp/cast.h>
 #include <libpspp/message.h>
 #include <libpspp/str.h>
 #include <libpspp/version.h>
 #include <language/prompt.h>
 #include <output/journal.h>
-#include <output/manager.h>
+#include <output/driver.h>
 #include <ui/terminal/terminal.h>
 
 #include "xalloc.h"
@@ -92,7 +96,7 @@ readln_uninitialize (void)
   initialised = false;
 
 #if HAVE_READLINE
-  if (history_file != NULL && false == get_testing_mode() )
+  if (history_file != NULL && false == settings_get_testing_mode () )
     write_history (history_file);
   clear_history ();
   free (history_file);
@@ -104,8 +108,7 @@ static bool
 read_interactive (struct getl_interface *s,
                   struct string *line)
 {
-  struct readln_source *is  =
-    (struct readln_source *) s ;
+  struct readln_source *is  = UP_CAST (s, struct readln_source, parent);
 
   return is->interactive_func (line, prompt_get_style ());
 }
@@ -152,8 +155,7 @@ readln_read (struct string *line, enum prompt_style style)
 
   welcome ();
 
-  if (style == PROMPT_FIRST)
-    som_flush ();
+  output_flush ();
 
 #if HAVE_READLINE
   rl_attempted_completion_function = (style == PROMPT_FIRST
@@ -173,7 +175,7 @@ readln_read (struct string *line, enum prompt_style style)
 #else
   fputs (prompt, stdout);
   fflush (stdout);
-  if (ds_read_line (line, stdin))
+  if (ds_read_line (line, stdin, SIZE_MAX))
     {
       ds_chomp (line, '\n');
       eof = false;
@@ -212,7 +214,7 @@ create_readln_source (void)
   rlns->parent.read = read_interactive;
   rlns->parent.close = readln_close;
 
-  return (struct getl_interface *) rlns;
+  return &rlns->parent;
 }