1 /****************************************************************************
2 * Copyright 2020 Thomas E. Dickey *
3 * Copyright 1998-2016,2017 Free Software Foundation, Inc. *
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6 * copy of this software and associated documentation files (the *
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28 ****************************************************************************/
30 /****************************************************************************
31 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
32 * and: Eric S. Raymond <esr@snark.thyrsus.com> *
33 ****************************************************************************/
38 ** The routines untouchwin(),
45 #include <curses.priv.h>
47 MODULE_ID("$Id: lib_touch.c,v 1.16 2020/02/02 23:34:34 tom Exp $")
52 is_linetouched(WINDOW *win, int line)
54 T((T_CALLED("is_linetouched(%p,%d)"), (void *) win, line));
56 /* XSI doesn't define any error, and gcc ultimately made it impossible */
57 if (!win || (line > win->_maxy) || (line < 0)) {
61 returnCode(win->_line[line].firstchar != _NOCHANGE ? TRUE : FALSE);
65 is_wintouched(WINDOW *win)
67 T((T_CALLED("is_wintouched(%p)"), (void *) win));
72 for (i = 0; i <= win->_maxy; i++)
73 if (win->_line[i].firstchar != _NOCHANGE)
80 wtouchln(WINDOW *win, int y, int n, int changed)
84 T((T_CALLED("wtouchln(%p,%d,%d,%d)"), (void *) win, y, n, changed));
86 if (!win || (n < 0) || (y < 0) || (y > win->_maxy))
89 for (i = y; i < y + n; i++) {
92 win->_line[i].firstchar = (NCURSES_SIZE_T) (changed ? 0 : _NOCHANGE);
93 win->_line[i].lastchar = (NCURSES_SIZE_T) (changed