1 /**************************************************************************** 2 * Copyright (c) 2002-2007,2009 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 1.8 2009/10/24 22:37:48 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)"), (void *) win, (void *) 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 } 77