| Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame^] | 1 | /**************************************************************************** |
| 2 | * Copyright (c) 2002-2004-2007 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 Dickey * |
| 31 | ****************************************************************************/ |
| 32 | |
| 33 | /* |
| 34 | ** lib_in_wchnstr.c |
| 35 | ** |
| 36 | ** The routine win_wchnstr(). |
| 37 | ** |
| 38 | */ |
| 39 | |
| 40 | #include <curses.priv.h> |
| 41 | |
| 42 | MODULE_ID("$Id: lib_in_wchnstr.c,v 1.7 2007/02/11 01:00:00 tom Exp $") |
| 43 | |
| 44 | NCURSES_EXPORT(int) |
| 45 | win_wchnstr(WINDOW *win, cchar_t *wchstr, int n) |
| 46 | { |
| 47 | int code = OK; |
| 48 | |
| 49 | T((T_CALLED("win_wchnstr(%p,%p,%d)"), win, wchstr, n)); |
| 50 | if (win != 0 |
| 51 | && wchstr != 0) { |
| 52 | NCURSES_CH_T *src; |
| 53 | int row, col; |
| 54 | int j, k, limit; |
| 55 | |
| 56 | getyx(win, row, col); |
| 57 | limit = getmaxx(win) - col; |
| 58 | src = &(win->_line[row].text[col]); |
| 59 | |
| 60 | if (n < 0) { |
| 61 | n = limit; |
| 62 | } else if (n > limit) { |
| 63 | n = limit; |
| 64 | } |
| 65 | for (j = k = 0; j < n; ++j) { |
| 66 | if (j == 0 || !WidecExt(src[j]) || isWidecBase(src[j])) { |
| 67 | wchstr[k++] = src[j]; |
| 68 | } |
| 69 | } |
| 70 | memset(&(wchstr[k]), 0, sizeof(*wchstr)); |
| 71 | T(("result = %s", _nc_viscbuf(wchstr, n))); |
| 72 | } else { |
| 73 | code = ERR; |
| 74 | } |
| 75 | returnCode(code); |
| 76 | } |