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 /*LINTLIBRARY*/ 41 42 #include <sys/types.h> 43 #include "curses_inc.h" 44 45 /* 46 * Copy n chars in window win from current cursor position to end 47 * of window into char buffer str. Return the number of chars copied. 48 */ 49 50 int 51 winnstr(WINDOW *win, char *str, int ncols) 52 { 53 int counter = 0; 54 int cy = win->_cury; 55 chtype *ptr = &(win->_y[cy][win->_curx]), 56 *pmax = &(win->_y[cy][win->_maxx]); 57 chtype wc; 58 int eucw, scrw, s; 59 60 61 while (ISCBIT(*ptr)) 62 ptr--; 63 64 if (ncols < -1) 65 ncols = MAXINT; 66 67 while (counter < ncols) { 68 scrw = mbscrw((int) RBYTE(*ptr)); 69 eucw = mbeucw((int) RBYTE(*ptr)); 70 if (counter + eucw > ncols) 71 break; 72 73 for (s = 0; s < scrw; s++, ptr++) { 74 if ((wc = RBYTE(*ptr)) == MBIT) 75 continue; 76 /* LINTED */ 77 *str++ = (char) wc; 78 counter++; 79 if ((wc = LBYTE(*ptr) | MBIT) == MBIT) 80 continue; 81 /* LINTED */ 82 *str++ = (char) wc; 83 counter++; 84 } 85 86 if (ptr >= pmax) { 87 if (++cy == win->_maxy) 88 break; 89 90 ptr = &(win->_y[cy][0]); 91 pmax = ptr + win->_maxx; 92 } 93 } 94 if (counter < ncols) 95 *str = '\0'; 96 97 return (counter); 98 } 99