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📄 README(2.78 KB)
📄 VERSION(20 B)
📄 aclocal.m4(195.3 KB)
📄 argv.c(3.54 KB)
📄 arrows.c(6.8 KB)
📄 buildlist.c(31.36 KB)
📄 buttons.c(16.19 KB)
📄 calendar.c(24.45 KB)
📄 checklist.c(17.98 KB)
📄 columns.c(4.17 KB)
📄 config.guess(43.14 KB)
📄 config.hin(75 B)
📄 config.sub(34.92 KB)
📄 configure(666.11 KB)
📄 configure.in(7.57 KB)
📄 demo.pl(11.44 KB)
📄 dialog-config.in(4.31 KB)
📄 dialog.1(60.51 KB)
📄 dialog.3(124.54 KB)
📄 dialog.c(52.45 KB)
📄 dialog.h(37.7 KB)
📄 dialog.lsm(1.1 KB)
📄 dialog.pl(15.08 KB)
📄 dlg_colors.h(6.87 KB)
📄 dlg_keys.c(20.68 KB)
📄 dlg_keys.h(5.23 KB)
📄 editbox.c(16.81 KB)
📄 formbox.c(23.3 KB)
📄 fselect.c(22.06 KB)
📄 guage.c(10.26 KB)
📄 headers-sh.in(5.35 KB)
📄 headers.sh(3.6 KB)
📄 help.c(1.4 KB)
📄 inputbox.c(7.04 KB)
📄 inputstr.c(17.73 KB)
📄 install-sh(6.96 KB)
📄 makefile.in(10.07 KB)
📄 menubox.c(20.26 KB)
📄 mixedform.c(3.39 KB)
📄 mixedgauge.c(9.6 KB)
📄 mouse.c(3.5 KB)
📄 mousewget.c(2.19 KB)
📄 msgbox.c(4.99 KB)
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📄 progressbox.c(9.88 KB)
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📄 rc.c(15 KB)
📄 rename.sh(3.04 KB)
📁 samples
📄 tailbox.c(9.53 KB)
📄 textbox.c(24.86 KB)
📄 timebox.c(10.27 KB)
📄 trace.c(5.72 KB)
📄 treeview.c(16.55 KB)
📄 ttysize.c(2.28 KB)
📄 ui_getc.c(14.03 KB)
📄 util.c(64.44 KB)
📄 version.c(1.01 KB)
📄 yesno.c(4.28 KB)

Editing: ttysize.c

/*
 *  $Id: ttysize.c,v 1.1 2018/06/09 02:03:03 tom Exp $
 *
 *  ttysize.c -- obtain terminal-size for dialog
 *
 *  Copyright 2018	Thomas E. Dickey
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU Lesser General Public License, version 2.1
 *  as published by the Free Software Foundation.
 *
 *  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
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this program; if not, write to
 *	Free Software Foundation, Inc.
 *	51 Franklin St., Fifth Floor
 *	Boston, MA 02110, USA.
 *
 *  An earlier version of this program lists as authors
 *	Savio Lam (lam836@cs.cuhk.hk)
 */

#include <dialog.h>

/*
 * This is based on work I did for ncurses in 1997, and improved/extended for
 * other terminal-based programs.  The comments are from my original version -TD
 */

#ifdef HAVE_TERMIOS_H
#include <termios.h>
#endif

#ifdef HAVE_SYS_IOCTL_H
# include <sys/ioctl.h>
#endif

#ifdef NEED_PTEM_H
 /* On SCO, they neglected to define struct winsize in termios.h -- it's only
  * in termio.h and ptem.h (the former conflicts with other definitions).
  */
# include <sys/stream.h>
# include <sys/ptem.h>
#endif

/*
 * SCO defines TIOCGSIZE and the corresponding struct.  Other systems (SunOS,
 * Solaris, IRIX) define TIOCGWINSZ and struct winsize.
 */
#if defined(TIOCGSIZE)
# define IOCTL_WINSIZE TIOCGSIZE
# define STRUCT_WINSIZE struct ttysize
# define WINSIZE_ROWS(n) (int)n.ts_lines
# define WINSIZE_COLS(n) (int)n.ts_cols
#elif defined(TIOCGWINSZ)
# define IOCTL_WINSIZE TIOCGWINSZ
# define STRUCT_WINSIZE struct winsize
# define WINSIZE_ROWS(n) (int)n.ws_row
# define WINSIZE_COLS(n) (int)n.ws_col
#else
# undef HAVE_SIZECHANGE
#endif

int
dlg_ttysize(int fd, int *high, int *wide)
{
    int rc = -1;
#ifdef HAVE_SIZECHANGE
    if (isatty(fd)) {
	STRUCT_WINSIZE size;

if (ioctl(fd, IOCTL_WINSIZE, &size) >= 0) {
	    *high = WINSIZE_ROWS(size);
	    *wide = WINSIZE_COLS(size);
	    rc = 0;
	}
    }
#else
    high = 24;
    wide = 80;
#endif /* HAVE_SIZECHANGE */
    return rc;
}

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