150276Speter/**************************************************************************** 2262629Sdelphij * Copyright (c) 1998-2009,2010 Free Software Foundation, Inc. * 350276Speter * * 450276Speter * Permission is hereby granted, free of charge, to any person obtaining a * 550276Speter * copy of this software and associated documentation files (the * 650276Speter * "Software"), to deal in the Software without restriction, including * 750276Speter * without limitation the rights to use, copy, modify, merge, publish, * 850276Speter * distribute, distribute with modifications, sublicense, and/or sell * 950276Speter * copies of the Software, and to permit persons to whom the Software is * 1050276Speter * furnished to do so, subject to the following conditions: * 1150276Speter * * 1250276Speter * The above copyright notice and this permission notice shall be included * 1350276Speter * in all copies or substantial portions of the Software. * 1450276Speter * * 1550276Speter * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 1650276Speter * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 1750276Speter * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 1850276Speter * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 1950276Speter * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 2050276Speter * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 2150276Speter * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 2250276Speter * * 2350276Speter * Except as contained in this notice, the name(s) of the above copyright * 2450276Speter * holders shall not be used in advertising or otherwise to promote the * 2550276Speter * sale, use or other dealings in this Software without prior written * 2650276Speter * authorization. * 2750276Speter ****************************************************************************/ 2850276Speter 2950276Speter/**************************************************************************** 3050276Speter * Author: Thomas E. Dickey <dickey@clark.net> 1997 * 3150276Speter ****************************************************************************/ 3250276Speter 3350276Speter/* 3450276Speter * lib_redrawln.c 3550276Speter * 3650276Speter * The routine wredrawln(). 3750276Speter * 3850276Speter */ 3950276Speter 4050276Speter#include <curses.priv.h> 4150276Speter 42262629SdelphijMODULE_ID("$Id: lib_redrawln.c,v 1.17 2010/12/19 00:03:23 tom Exp $") 4350276Speter 4476726SpeterNCURSES_EXPORT(int) 4576726Speterwredrawln(WINDOW *win, int beg, int num) 4650276Speter{ 4776726Speter int i; 4876726Speter int end; 49174993Srafan size_t len; 50262629Sdelphij SCREEN *sp; 5150276Speter 52262629Sdelphij T((T_CALLED("wredrawln(%p,%d,%d)"), (void *) win, beg, num)); 5350276Speter 54174993Srafan if (win == 0) 55174993Srafan returnCode(ERR); 56174993Srafan 57262629Sdelphij sp = _nc_screen_of(win); 58262629Sdelphij 5976726Speter if (beg < 0) 6076726Speter beg = 0; 6150276Speter 6276726Speter if (touchline(win, beg, num) == ERR) 6376726Speter returnCode(ERR); 6450276Speter 65262629Sdelphij if (touchline(CurScreen(sp), beg + win->_begy, num) == ERR) 66166124Srafan returnCode(ERR); 67166124Srafan 6876726Speter end = beg + num; 69262629Sdelphij if (end > CurScreen(sp)->_maxy + 1 - win->_begy) 70262629Sdelphij end = CurScreen(sp)->_maxy + 1 - win->_begy; 7176726Speter if (end > win->_maxy + 1) 7276726Speter end = win->_maxy + 1; 7350276Speter 74262629Sdelphij len = (size_t) (win->_maxx + 1); 75262629Sdelphij if (len > (size_t) (CurScreen(sp)->_maxx + 1 - win->_begx)) 76262629Sdelphij len = (size_t) (CurScreen(sp)->_maxx + 1 - win->_begx); 77262629Sdelphij len *= sizeof(CurScreen(sp)->_line[0].text[0]); 7897049Speter 7976726Speter for (i = beg; i < end; i++) { 80166124Srafan int crow = i + win->_begy; 81166124Srafan 82262629Sdelphij memset(CurScreen(sp)->_line[crow].text + win->_begx, 0, len); 83262629Sdelphij NCURSES_SP_NAME(_nc_make_oldhash) (NCURSES_SP_ARGx crow); 8476726Speter } 8550276Speter 8676726Speter returnCode(OK); 8750276Speter} 88