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 #pragma ident "%Z%%M% %I% %E% SMI" 32 33 /*LINTLIBRARY*/ 34 35 #include <sys/types.h> 36 #include "curses_inc.h" 37 38 /* 39 * Read in ncols worth of data from window win and assign the 40 * chars to string. NULL terminate string upon completion. 41 * Return the number of chtypes copied. 42 */ 43 44 int 45 winwchnstr(WINDOW *win, chtype *string, int ncols) 46 { 47 chtype *ptr = &(win->_y[win->_cury][win->_curx]); 48 int counter = 0; 49 int maxcols = win->_maxx - win->_curx; 50 int scrw, s, wc; 51 char *mp, mbbuf[CSMAX+1]; 52 wchar_t wch; 53 chtype rawc; 54 chtype attr; 55 56 if (ncols < 0) 57 ncols = MAXINT; 58 59 while (ISCBIT(*ptr)) { 60 ptr--; 61 maxcols++; 62 } 63 64 while ((counter < ncols) && maxcols > 0) { 65 attr = *ptr & A_WATTRIBUTES; 66 rawc = *ptr & A_WCHARTEXT; 67 (void) mbeucw((int)RBYTE(rawc)); 68 scrw = mbscrw((int)RBYTE(rawc)); 69 for (mp = mbbuf, s = 0; s < scrw; s++, maxcols--, ptr++) { 70 if ((wc = (int)RBYTE(rawc)) == MBIT) 71 continue; 72 /* LINTED */ 73 *mp++ = (char) wc; 74 if ((wc = (int)(LBYTE(rawc) | MBIT)) == MBIT) 75 continue; 76 /* LINTED */ 77 *mp++ = (char) wc; 78 } 79 *mp = '\0'; 80 if (_curs_mbtowc(&wch, mbbuf, CSMAX) <= 0) 81 break; 82 *string++ = wch | attr; 83 counter++; 84 } 85 if (counter < ncols) 86 *string = (chtype) 0; 87 return (counter); 88 } 89