1/**************************************************************************** 2 * Copyright (c) 1998-2006,2007 Free Software Foundation, Inc. * 3 * * 4 * Permission is hereby granted, free of charge, to any person obtaining a * 5 * copy of this software and associated documentation files (the * 6 * "Software"), to deal in the Software without restriction, including * 7 * without limitation the rights to use, copy, modify, merge, publish, * 8 * distribute, distribute with modifications, sublicense, and/or sell * 9 * copies of the Software, and to permit persons to whom the Software is * 10 * furnished to do so, subject to the following conditions: * 11 * * 12 * The above copyright notice and this permission notice shall be included * 13 * in all copies or substantial portions of the Software. * 14 * * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 22 * * 23 * Except as contained in this notice, the name(s) of the above copyright * 24 * holders shall not be used in advertising or otherwise to promote the * 25 * sale, use or other dealings in this Software without prior written * 26 * authorization. * 27 ****************************************************************************/ 28 29/**************************************************************************** 30 * Author: Thomas E. Dickey <dickey@clark.net> 1997 * 31 ****************************************************************************/ 32 33/* 34 * lib_redrawln.c 35 * 36 * The routine wredrawln(). 37 * 38 */ 39 40#include <curses.priv.h> 41 42MODULE_ID("$Id: lib_redrawln.c,v 1.12 2007/10/13 20:08:56 tom Exp $") 43 44NCURSES_EXPORT(int) 45wredrawln(WINDOW *win, int beg, int num) 46{ 47 int i; 48 int end; 49 size_t len; 50 51 T((T_CALLED("wredrawln(%p,%d,%d)"), win, beg, num)); 52 53 if (win == 0) 54 returnCode(ERR); 55 56 if (beg < 0) 57 beg = 0; 58 59 if (touchline(win, beg, num) == ERR) 60 returnCode(ERR); 61 62 if (touchline(curscr, beg + win->_begy, num) == ERR) 63 returnCode(ERR); 64 65 end = beg + num; 66 if (end > curscr->_maxy + 1) 67 end = curscr->_maxy + 1; 68 if (end > win->_maxy + 1) 69 end = win->_maxy + 1; 70 71 len = (win->_maxx + 1); 72 if (len > (size_t) (curscr->_maxx + 1)) 73 len = (size_t) (curscr->_maxx + 1); 74 len *= sizeof(curscr->_line[0].text[0]); 75 76 for (i = beg; i < end; i++) { 77 int crow = i + win->_begy; 78 79 memset(curscr->_line[crow].text + win->_begx, 0, len); 80 _nc_make_oldhash(crow); 81 } 82 83 returnCode(OK); 84} 85