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 /* Copyright (c) 1988 AT&T */ 23 /* All Rights Reserved */ 24 25 26 /* 27 * Copyright (c) 1997, by Sun Microsystems, Inc. 28 * All rights reserved. 29 */ 30 31 /*LINTLIBRARY*/ 32 33 #include <sys/types.h> 34 #include "curses_inc.h" 35 36 /* 37 * Copy n chars(wchar_t) in window win from current cursor position to end 38 * of window into char buffer str. Return the number of chars copied. 39 */ 40 41 int 42 winnwstr(WINDOW *win, wchar_t *wstr, int ncols) 43 { 44 int counter = 0; 45 int cy = win->_cury; 46 chtype *ptr = &(win->_y[cy][win->_curx]), 47 *pmax = &(win->_y[cy][win->_maxx]); 48 wchar_t wc, *cp; 49 int scrw, s; 50 char cbuf[CSMAX+1]; 51 52 53 while (ISCBIT(*ptr)) 54 ptr--; 55 56 if (ncols < -1) 57 ncols = MAXINT; 58 59 while (counter < ncols) { 60 wc = RBYTE(*ptr); 61 scrw = mbscrw((int) wc); 62 (void) mbeucw((int) wc); 63 /* LINTED */ 64 cp = (wchar_t *)cbuf; 65 for (s = 0; s < scrw; s++, ptr++) { 66 if ((wc = RBYTE(*ptr)) == MBIT) 67 continue; 68 *cp++ = wc; 69 if ((wc = LBYTE(*ptr) | MBIT) == MBIT) 70 continue; 71 *cp++ = wc; 72 } 73 *cp = (char)0; 74 75 if (_curs_mbtowc(&wc, cbuf, CSMAX) <= 0) 76 break; 77 78 *wstr++ = wc; 79 counter++; 80 81 if (ptr >= pmax) { 82 if (++cy == win->_maxy) 83 break; 84 85 ptr = &(win->_y[cy][0]); 86 pmax = ptr + win->_maxx; 87 } 88 } 89 if (counter < ncols) 90 *wstr = (wchar_t)0; 91 92 return (counter); 93 } 94