/* * 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. */ #ifndef lint static char sccsid[] = "@(#)insch.c 8.2 (Berkeley) 5/4/94"; #endif /* not lint */ #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); }