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 * winchn.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/winchn.c 1.1 1995/06/13 20:54:33 ant Exp $"; 39 #endif 40 #endif 41 42 #include <private.h> 43 44 int 45 winchnstr(w, chs, n) 46 WINDOW *w; 47 chtype *chs; 48 int n; 49 { 50 int x, eol; 51 cchar_t *cp; 52 53 #ifdef M_CURSES_TRACE 54 __m_trace("winchnstr(%p, %p, %d)", w, chs, 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; ++x, ++chs) { 60 if ((*chs = __m_cc_chtype(&cp[x])) == (chtype) ERR) 61 return __m_return_code("winchnstr", ERR); 62 } 63 64 /* For an unbounded buffer or a buffer with room remaining, 65 * null terminate the buffer. 66 */ 67 if (n < 0 || eol < w->_curx + n) 68 *chs = 0; 69 70 return __m_return_code("winchnstr", OK); 71 } 72