ncurses 6.0 - patch 20170429

[ncurses.git] / progs / clear.c

diff --git a/progs/clear.c b/progs/clear.c
index da30bcc4a3c6b1d64908dd3a99090808f99c3800..559d296c3f4c01816c16535a026500416b35e850 100644 (file)
--- a/progs/clear.c
+++ b/progs/clear.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998,2005 Free Software Foundation, Inc.                   *
+ * Copyright (c) 1998-2013,2016 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -29,28 +29,36 @@
 /****************************************************************************
  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
+ *     and: Thomas E. Dickey                        1996-on                 *
  ****************************************************************************/
 
-
 /*
  * clear.c --  clears the terminal's screen
  */
 
-#include <progs.priv.h>
+#define USE_LIBTINFO
+#include <clear_cmd.h>
+#include <tty_settings.h>
 
-MODULE_ID("$Id: clear.c,v 1.9 2005/09/25 00:46:43 tom Exp $")
+MODULE_ID("$Id: clear.c,v 1.17 2016/12/24 19:33:39 tom Exp $")
 
-static int putch(int c)
-{
-       return putchar(c);
-}
+const char *_nc_progname = "clear";
 
-int main(
+int
+main(
        int argc GCC_UNUSED,
-       char *argv[] GCC_UNUSED)
+       char *argv[]GCC_UNUSED)
 {
-       setupterm((char *) 0, STDOUT_FILENO, (int *) 0);
-       return (tputs(clear_screen, lines > 0 ? lines : 1, putch) == ERR)
+    TTY tty_settings;
+    int fd;
+
+    _nc_progname = _nc_rootname(argv[0]);
+
+    fd = save_tty_settings(&tty_settings);
+
+    setupterm((char *) 0, fd, (int *) 0);
+
+    ExitProgram((clear_cmd() == ERR)
                ? EXIT_FAILURE
-               : EXIT_SUCCESS;
+               : EXIT_SUCCESS);
 }