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/* $OpenBSD: insch.c,v 1.4 2005/08/14 17:15:19 espie Exp $ */
/*
* Copyright (c) 1981, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <string.h>
#include "curses.h"
/*
* winsch --
* Do an insert-char on the line, leaving (cury, curx) unchanged.
*/
int
winsch(win, ch)
register WINDOW *win;
int ch;
{
register __LDATA *end, *temp1, *temp2;
end = &win->lines[win->cury]->line[win->curx];
temp1 = &win->lines[win->cury]->line[win->maxx - 1];
temp2 = temp1 - 1;
while (temp1 > end) {
(void)memcpy(temp1, temp2, sizeof(__LDATA));
temp1--, temp2--;
}
temp1->ch = ch;
temp1->attr &= ~__STANDOUT;
__touchline(win, win->cury, win->curx, win->maxx - 1, 0);
if (win->cury == LINES - 1 &&
(win->lines[LINES - 1]->line[COLS - 1].ch != ' ' ||
win->lines[LINES -1]->line[COLS - 1].attr != 0)) {
if (win->flags & __SCROLLOK) {
wrefresh(win);
scroll(win);
win->cury--;
} else
return (ERR);
}
return (OK);
}
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