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 1997 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1988 AT&T */ 28 /* All Rights Reserved */ 29 30 /* 31 * University Copyright- Copyright (c) 1982, 1986, 1988 32 * The Regents of the University of California 33 * All Rights Reserved 34 * 35 * University Acknowledgment- Portions of this document are derived from 36 * software developed by the University of California, Berkeley, and its 37 * contributors. 38 */ 39 40 #pragma ident "%Z%%M% %I% %E% SMI" 41 42 /*LINTLIBRARY*/ 43 44 #include <sys/types.h> 45 #include "curses_inc.h" 46 47 /* 48 * Copy n chars in window win from current cursor position to end 49 * of window into char buffer str. Return the number of chars copied. 50 */ 51 52 int 53 winnstr(WINDOW *win, char *str, int ncols) 54 { 55 int counter = 0; 56 int cy = win->_cury; 57 chtype *ptr = &(win->_y[cy][win->_curx]), 58 *pmax = &(win->_y[cy][win->_maxx]); 59 chtype wc; 60 int eucw, scrw, s; 61 62 63 while (ISCBIT(*ptr)) 64 ptr--; 65 66 if (ncols < -1) 67 ncols = MAXINT; 68 69 while (counter < ncols) { 70 scrw = mbscrw((int) RBYTE(*ptr)); 71 eucw = mbeucw((int) RBYTE(*ptr)); 72 if (counter + eucw > ncols) 73 break; 74 75 for (s = 0; s < scrw; s++, ptr++) { 76 if ((wc = RBYTE(*ptr)) == MBIT) 77 continue; 78 /* LINTED */ 79 *str++ = (char) wc; 80 counter++; 81 if ((wc = LBYTE(*ptr) | MBIT) == MBIT) 82 continue; 83 /* LINTED */ 84 *str++ = (char) wc; 85 counter++; 86 } 87 88 if (ptr >= pmax) { 89 if (++cy == win->_maxy) 90 break; 91 92 ptr = &(win->_y[cy][0]); 93 pmax = ptr + win->_maxx; 94 } 95 } 96 if (counter < ncols) 97 *str = '\0'; 98 99 return (counter); 100 } 101