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/**************************************************************************************************
$Header: /pub/cvsroot/yencode/lib/screen.c,v 1.4 2002/03/10 16:22:19 bboy Exp $
Copyright (C) 2002 Don Moore <bboy@bboy.net>
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
the Free Software Foundation; either version 2 of the License, or
(at Your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
**************************************************************************************************/
#include "misc.h"
#ifndef TIOCGWINSZ
#include <sys/ioctl.h>
#endif
/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
GET_SCREEN_WIDTH
Returns the screen width. Defaults if called from a non-terminal.
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
int
get_screen_width(void)
{
struct winsize size;
if (!isatty(STDIN_FILENO))
return (0);
if (ioctl(STDIN_FILENO, TIOCGWINSZ, (char *)&size) < 0)
return (0);
return (size.ws_col);
}
/*--- get_screen_width() ------------------------------------------------------------------------*/
/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
CHARLINE
Outputs a line of characters the width of the screen.
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
inline void
charline(char c)
{
int ct, width = get_screen_width();
for (ct = 0; ct < width-1; ct++)
putc(c, stdout);
puts("");
}
/*--- charline() --------------------------------------------------------------------------------*/
/* vi:set ts=3: */
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