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 #pragma ident "%Z%%M% %I% %E% SMI" 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[] = "$Header: /rd/src/libc/xcurses/rcs/win_wchn.c 1.1 1995/06/14 15:26:05 ant Exp $"; 41 #endif 42 #endif 43 44 #include <private.h> 45 46 int 47 win_wchnstr(w, ccs, n) 48 WINDOW *w; 49 cchar_t *ccs; 50 int n; 51 { 52 int x, eol; 53 cchar_t *cp, null = { 0 }; 54 55 #ifdef M_CURSES_TRACE 56 __m_trace("win_wchnstr(%p, %p, %d)", w, ccs, n); 57 #endif 58 59 eol = (n < 0 || w->_maxx < w->_curx + n) ? w->_maxx : w->_curx + n; 60 61 for (cp = w->_line[w->_cury], x = w->_curx; x < eol; ++ccs) { 62 *ccs = *cp; 63 ccs->_f = 1; 64 65 x = __m_cc_next(w, w->_cury, x); 66 } 67 68 /* For an unbounded buffer or a buffer with room remaining, 69 * null terminate the buffer. 70 */ 71 if (n < 0 || eol < w->_curx + n) 72 *ccs = null; 73 74 return __m_return_code("win_wchnstr", OK); 75 } 76