1 /* $OpenBSD: lib_redrawln.c,v 1.2 2001/01/22 18:01:43 millert Exp $ */ 2 3 /**************************************************************************** 4 * Copyright (c) 1998,2000 Free Software Foundation, Inc. * 5 * * 6 * Permission is hereby granted, free of charge, to any person obtaining a * 7 * copy of this software and associated documentation files (the * 8 * "Software"), to deal in the Software without restriction, including * 9 * without limitation the rights to use, copy, modify, merge, publish, * 10 * distribute, distribute with modifications, sublicense, and/or sell * 11 * copies of the Software, and to permit persons to whom the Software is * 12 * furnished to do so, subject to the following conditions: * 13 * * 14 * The above copyright notice and this permission notice shall be included * 15 * in all copies or substantial portions of the Software. * 16 * * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 20 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 21 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 22 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 23 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 24 * * 25 * Except as contained in this notice, the name(s) of the above copyright * 26 * holders shall not be used in advertising or otherwise to promote the * 27 * sale, use or other dealings in this Software without prior written * 28 * authorization. * 29 ****************************************************************************/ 30 31 /**************************************************************************** 32 * Author: Thomas E. Dickey <dickey@clark.net> 1997 * 33 ****************************************************************************/ 34 35 /* 36 * lib_redrawln.c 37 * 38 * The routine wredrawln(). 39 * 40 */ 41 42 #include <curses.priv.h> 43 44 MODULE_ID("$From: lib_redrawln.c,v 1.9 2000/12/10 02:43:27 tom Exp $") 45 46 NCURSES_EXPORT(int) 47 wredrawln(WINDOW *win, int beg, int num) 48 { 49 int i; 50 int end; 51 size_t len = (win->_maxx + 1) * sizeof(chtype); 52 53 T((T_CALLED("wredrawln(%p,%d,%d)"), win, beg, num)); 54 55 if (beg < 0) 56 beg = 0; 57 58 if (touchline(win, beg, num) == ERR) 59 returnCode(ERR); 60 61 end = beg + num; 62 if (end > win->_maxy + 1) 63 end = win->_maxy + 1; 64 65 for (i = beg; i < end; i++) { 66 memset(curscr->_line[i + win->_begy].text + win->_begx, 0, len); 67 _nc_make_oldhash(i + win->_begy); 68 } 69 70 returnCode(OK); 71 } 72