1 /* 2 * Copyright (c) 1981 Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms are permitted 6 * provided that the above copyright notice and this paragraph are 7 * duplicated in all such forms and that any documentation, 8 * advertising materials, and other materials related to such 9 * distribution and use acknowledge that the software was developed 10 * by the University of California, Berkeley. The name of the 11 * University may not be used to endorse or promote products derived 12 * from this software without specific prior written permission. 13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 15 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 16 */ 17 18 #ifndef lint 19 static char sccsid[] = "@(#)id_subwins.c 5.3 (Berkeley) 06/30/88"; 20 #endif /* not lint */ 21 22 # include "curses.ext" 23 24 /* 25 * _id_subwins: 26 * Re-sync the pointers to _y for all the subwindows. 27 * 28 */ 29 _id_subwins(orig) 30 register WINDOW *orig; 31 { 32 register WINDOW *win; 33 register int realy; 34 register int y, oy, x; 35 36 realy = orig->_begy + orig->_cury; 37 for (win = orig->_nextp; win != orig; win = win->_nextp) { 38 /* 39 * If the window ends before our current position, 40 * don't need to do anything. 41 */ 42 if (win->_begy + win->_maxy <= realy) 43 continue; 44 45 oy = orig->_cury; 46 for (y = realy - win->_begy; y < win->_maxy; y++, oy++) 47 win->_y[y] = &orig->_y[oy][win->_ch_off]; 48 } 49 } 50