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 * Read in ncols worth of data from window win and assign the 38 * chars to string. NULL terminate string upon completion. 39 * Return the number of chtypes copied. 40 */ 41 42 int 43 winwchnstr(WINDOW *win, chtype *string, int ncols) 44 { 45 chtype *ptr = &(win->_y[win->_cury][win->_curx]); 46 int counter = 0; 47 int maxcols = win->_maxx - win->_curx; 48 int scrw, s, wc; 49 char *mp, mbbuf[CSMAX+1]; 50 wchar_t wch; 51 chtype rawc; 52 chtype attr; 53 54 if (ncols < 0) 55 ncols = MAXINT; 56 57 while (ISCBIT(*ptr)) { 58 ptr--; 59 maxcols++; 60 } 61 62 while ((counter < ncols) && maxcols > 0) { 63 attr = *ptr & A_WATTRIBUTES; 64 rawc = *ptr & A_WCHARTEXT; 65 (void) mbeucw((int)RBYTE(rawc)); 66 scrw = mbscrw((int)RBYTE(rawc)); 67 for (mp = mbbuf, s = 0; s < scrw; s++, maxcols--, ptr++) { 68 if ((wc = (int)RBYTE(rawc)) == MBIT) 69 continue; 70 /* LINTED */ 71 *mp++ = (char) wc; 72 if ((wc = (int)(LBYTE(rawc) | MBIT)) == MBIT) 73 continue; 74 /* LINTED */ 75 *mp++ = (char) wc; 76 } 77 *mp = '\0'; 78 if (_curs_mbtowc(&wch, mbbuf, CSMAX) <= 0) 79 break; 80 *string++ = wch | attr; 81 counter++; 82 } 83 if (counter < ncols) 84 *string = (chtype) 0; 85 return (counter); 86 } 87