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, by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 /* 28 * win_wchn.c 29 * 30 * XCurses Library 31 * 32 * Copyright 1990, 1995 by Mortice Kern Systems Inc. All rights reserved. 33 * 34 */ 35 36 #if M_RCSID 37 #ifndef lint 38 static char rcsID[] = "$Header: /rd/src/libc/xcurses/rcs/win_wchn.c 1.1 1995/06/14 15:26:05 ant Exp $"; 39 #endif 40 #endif 41 42 #include <private.h> 43 44 int 45 win_wchnstr(w, ccs, n) 46 WINDOW *w; 47 cchar_t *ccs; 48 int n; 49 { 50 int x, eol; 51 cchar_t *cp, null = { 0 }; 52 53 #ifdef M_CURSES_TRACE 54 __m_trace("win_wchnstr(%p, %p, %d)", w, ccs, n); 55 #endif 56 57 eol = (n < 0 || w->_maxx < w->_curx + n) ? w->_maxx : w->_curx + n; 58 59 for (cp = w->_line[w->_cury], x = w->_curx; x < eol; ++ccs) { 60 *ccs = *cp; 61 ccs->_f = 1; 62 63 x = __m_cc_next(w, w->_cury, x); 64 } 65 66 /* For an unbounded buffer or a buffer with room remaining, 67 * null terminate the buffer. 68 */ 69 if (n < 0 || eol < w->_curx + n) 70 *ccs = null; 71 72 return __m_return_code("win_wchnstr", OK); 73 } 74