xref: /freebsd/contrib/ncurses/progs/clear.c (revision 0e3d540892016a47f6a68ec9ba2879d35ce5f7c2)
10e3d5408SPeter Wemm /****************************************************************************
20e3d5408SPeter Wemm  * Copyright (c) 1998 Free Software Foundation, Inc.                        *
30e3d5408SPeter Wemm  *                                                                          *
40e3d5408SPeter Wemm  * Permission is hereby granted, free of charge, to any person obtaining a  *
50e3d5408SPeter Wemm  * copy of this software and associated documentation files (the            *
60e3d5408SPeter Wemm  * "Software"), to deal in the Software without restriction, including      *
70e3d5408SPeter Wemm  * without limitation the rights to use, copy, modify, merge, publish,      *
80e3d5408SPeter Wemm  * distribute, distribute with modifications, sublicense, and/or sell       *
90e3d5408SPeter Wemm  * copies of the Software, and to permit persons to whom the Software is    *
100e3d5408SPeter Wemm  * furnished to do so, subject to the following conditions:                 *
110e3d5408SPeter Wemm  *                                                                          *
120e3d5408SPeter Wemm  * The above copyright notice and this permission notice shall be included  *
130e3d5408SPeter Wemm  * in all copies or substantial portions of the Software.                   *
140e3d5408SPeter Wemm  *                                                                          *
150e3d5408SPeter Wemm  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
160e3d5408SPeter Wemm  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
170e3d5408SPeter Wemm  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
180e3d5408SPeter Wemm  * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
190e3d5408SPeter Wemm  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
200e3d5408SPeter Wemm  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
210e3d5408SPeter Wemm  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
220e3d5408SPeter Wemm  *                                                                          *
230e3d5408SPeter Wemm  * Except as contained in this notice, the name(s) of the above copyright   *
240e3d5408SPeter Wemm  * holders shall not be used in advertising or otherwise to promote the     *
250e3d5408SPeter Wemm  * sale, use or other dealings in this Software without prior written       *
260e3d5408SPeter Wemm  * authorization.                                                           *
270e3d5408SPeter Wemm  ****************************************************************************/
280e3d5408SPeter Wemm 
290e3d5408SPeter Wemm /****************************************************************************
300e3d5408SPeter Wemm  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
310e3d5408SPeter Wemm  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
320e3d5408SPeter Wemm  ****************************************************************************/
330e3d5408SPeter Wemm 
340e3d5408SPeter Wemm 
350e3d5408SPeter Wemm /*
360e3d5408SPeter Wemm  * clear.c --  clears the terminal's screen
370e3d5408SPeter Wemm  */
380e3d5408SPeter Wemm 
390e3d5408SPeter Wemm #include <progs.priv.h>
400e3d5408SPeter Wemm 
410e3d5408SPeter Wemm #include <curses.h>
420e3d5408SPeter Wemm 
430e3d5408SPeter Wemm MODULE_ID("$Id: clear.c,v 1.8 1998/09/26 11:42:50 tom Exp $")
440e3d5408SPeter Wemm 
450e3d5408SPeter Wemm static int putch(int c)
460e3d5408SPeter Wemm {
470e3d5408SPeter Wemm 	return putchar(c);
480e3d5408SPeter Wemm }
490e3d5408SPeter Wemm 
500e3d5408SPeter Wemm int main(
510e3d5408SPeter Wemm 	int argc GCC_UNUSED,
520e3d5408SPeter Wemm 	char *argv[] GCC_UNUSED)
530e3d5408SPeter Wemm {
540e3d5408SPeter Wemm 	setupterm((char *) 0, STDOUT_FILENO, (int *) 0);
550e3d5408SPeter Wemm 	return (tputs(clear_screen, lines > 0 ? lines : 1, putch) == ERR)
560e3d5408SPeter Wemm 		? EXIT_FAILURE
570e3d5408SPeter Wemm 		: EXIT_SUCCESS;
580e3d5408SPeter Wemm }
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