1 /* 2 * Copyright (c) 1981, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef lint 35 static char sccsid[] = "@(#)insertln.c 8.2 (Berkeley) 5/4/94"; 36 #endif /* not lint */ 37 38 #include <string.h> 39 40 #include "curses.h" 41 42 /* 43 * winsertln -- 44 * Do an insert-line on the window, leaving (cury, curx) unchanged. 45 */ 46 int 47 winsertln(win) 48 register WINDOW *win; 49 { 50 51 register int y, i; 52 register __LINE *temp; 53 54 #ifdef DEBUG 55 __CTRACE("insertln: (%0.2o)\n", win); 56 #endif 57 if (win->orig == NULL) 58 temp = win->lines[win->maxy - 1]; 59 for (y = win->maxy - 1; y > win->cury; --y) { 60 win->lines[y]->flags &= ~__ISPASTEOL; 61 win->lines[y - 1]->flags &= ~__ISPASTEOL; 62 if (win->orig == NULL) 63 win->lines[y] = win->lines[y - 1]; 64 else 65 (void)memcpy(win->lines[y]->line, 66 win->lines[y - 1]->line, 67 win->maxx * __LDATASIZE); 68 __touchline(win, y, 0, win->maxx - 1, 0); 69 } 70 if (win->orig == NULL) 71 win->lines[y] = temp; 72 else 73 temp = win->lines[y]; 74 for(i = 0; i < win->maxx; i++) { 75 temp->line[i].ch = ' '; 76 temp->line[i].attr = 0; 77 } 78 __touchline(win, y, 0, win->maxx - 1, 0); 79 if (win->orig == NULL) 80 __id_subwins(win); 81 return (OK); 82 } 83