1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright (c) 1995-1998 by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 /* LINTLIBRARY */ 28 29 /* 30 * win_wchn.c 31 * 32 * XCurses Library 33 * 34 * Copyright 1990, 1995 by Mortice Kern Systems Inc. All rights reserved. 35 * 36 */ 37 38 #if M_RCSID 39 #ifndef lint 40 static char rcsID[] = 41 "$Header: /team/ps/sun_xcurses/archive/local_changes/xcurses/src/lib/" 42 "libxcurses/src/libc/xcurses/rcs/win_wchn.c 1.2 1998/05/22 17:57:05 " 43 "cbates Exp $"; 44 #endif 45 #endif 46 47 #include <private.h> 48 49 int 50 win_wchnstr(WINDOW *w, cchar_t *ccs, int n) 51 { 52 int x, eol; 53 cchar_t null = { 0 }; 54 55 eol = (n < 0 || w->_maxx < w->_curx + n) ? w->_maxx : w->_curx + n; 56 57 for (x = w->_curx; x < eol; ++ccs) { 58 *ccs = w->_line[w->_cury][x]; 59 ccs->_f = 1; 60 61 x = __m_cc_next(w, w->_cury, x); 62 } 63 64 /* 65 * For an unbounded buffer or a buffer with room remaining, 66 * null terminate the buffer. 67 */ 68 if (n < 0 || eol < w->_curx + n) { 69 *ccs = null; 70 } 71 72 return (OK); 73 } 74