| Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 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 | |
| 42 | MODULE_ID("$Id: lib_redrawln.c,v 1.12 2007/10/13 20:08:56 tom Exp $") |
| 43 | |
| 44 | NCURSES_EXPORT(int) |
| 45 | wredrawln(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 | } |