1 /* $OpenBSD: lib_inchstr.c,v 1.4 2023/10/17 09:52:08 nicm Exp $ */ 2 3 /**************************************************************************** 4 * Copyright 2020 Thomas E. Dickey * 5 * Copyright 1998-2010,2017 Free Software Foundation, Inc. * 6 * * 7 * Permission is hereby granted, free of charge, to any person obtaining a * 8 * copy of this software and associated documentation files (the * 9 * "Software"), to deal in the Software without restriction, including * 10 * without limitation the rights to use, copy, modify, merge, publish, * 11 * distribute, distribute with modifications, sublicense, and/or sell * 12 * copies of the Software, and to permit persons to whom the Software is * 13 * furnished to do so, subject to the following conditions: * 14 * * 15 * The above copyright notice and this permission notice shall be included * 16 * in all copies or substantial portions of the Software. * 17 * * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 21 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 24 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 25 * * 26 * Except as contained in this notice, the name(s) of the above copyright * 27 * holders shall not be used in advertising or otherwise to promote the * 28 * sale, use or other dealings in this Software without prior written * 29 * authorization. * 30 ****************************************************************************/ 31 32 /**************************************************************************** 33 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * 34 * and: Eric S. Raymond <esr@snark.thyrsus.com> * 35 * and: Thomas E. Dickey 1996-on * 36 ****************************************************************************/ 37 38 /* 39 ** lib_inchstr.c 40 ** 41 ** The routine winchnstr(). 42 ** 43 */ 44 45 #include <curses.priv.h> 46 47 MODULE_ID("$Id: lib_inchstr.c,v 1.4 2023/10/17 09:52:08 nicm Exp $") 48 49 NCURSES_EXPORT(int) 50 winchnstr(WINDOW *win, chtype *str, int n) 51 { 52 int i = 0; 53 54 T((T_CALLED("winchnstr(%p,%p,%d)"), (void *) win, (void *) str, n)); 55 56 if (!win || !str) { 57 i = ERR; 58 } else { 59 int row = win->_cury; 60 int col = win->_curx; 61 NCURSES_CH_T *text = win->_line[row].text; 62 63 for (; (n < 0 || (i < n)) && (col + i <= win->_maxx); i++) { 64 str[i] = (((chtype) CharOf(text[col + i]) & A_CHARTEXT) | 65 AttrOf(text[col + i])); 66 } 67 str[i] = (chtype) 0; 68 } 69 70 returnCode(i); 71 } 72