/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (the "License"). You may not use this file except in compliance * with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 1997 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ /* Copyright (c) 1988 AT&T */ /* All Rights Reserved */ /* * University Copyright- Copyright (c) 1982, 1986, 1988 * The Regents of the University of California * All Rights Reserved * * University Acknowledgment- Portions of this document are derived from * software developed by the University of California, Berkeley, and its * contributors. */ #pragma ident "%Z%%M% %I% %E% SMI" /*LINTLIBRARY*/ #include <sys/types.h> #include "curses_inc.h" /* * This routine performs a delete-char on the line, * leaving (_cury, _curx) unchanged. */ int wdelch(WINDOW *win) { chtype *temp1, *temp2; chtype *end; int cury = win->_cury; short curx = win->_curx; chtype *cp; int s; end = &win->_y[cury][win->_maxx - 1]; temp2 = &win->_y[cury][curx + 1]; temp1 = temp2 - 1; s = 1; win->_nbyte = -1; if (_scrmax > 1) { if (ISMBIT(*temp1)) { win->_insmode = TRUE; if (_mbvalid(win) == ERR) return (ERR); curx = win->_curx; temp1 = &win->_y[cury][curx]; } if (ISMBIT(*end)) { for (cp = end; cp >= temp1; --cp) if (!ISCBIT(*cp)) break; if (cp + _curs_scrwidth[TYPE(*cp)] > end+1) end = cp - 1; } if (ISMBIT(*temp1)) s = _curs_scrwidth[TYPE(RBYTE(*temp1))]; end -= s - 1; temp2 = &win->_y[cury][curx+s]; } while (temp1 < end) *temp1++ = *temp2++; while (s--) *temp1++ = win->_bkgd; #ifdef _VR3_COMPAT_CODE if (_y16update) (*_y16update)(win, 1, win->_maxx - curx, cury, curx); #endif /* _VR3_COMPAT_CODE */ win->_lastch[cury] = win->_maxx - 1; if (win->_firstch[cury] > curx) win->_firstch[cury] = curx; win->_flags |= _WINCHANGED; if (win->_sync) wsyncup(win); return (win->_immed ? wrefresh(win) : OK); }