diff options
Diffstat (limited to 'usr/src/lib/libcurses/screen/winnwstr.c')
| -rw-r--r-- | usr/src/lib/libcurses/screen/winnwstr.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/usr/src/lib/libcurses/screen/winnwstr.c b/usr/src/lib/libcurses/screen/winnwstr.c new file mode 100644 index 0000000000..fa937d4004 --- /dev/null +++ b/usr/src/lib/libcurses/screen/winnwstr.c @@ -0,0 +1,95 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* Copyright (c) 1988 AT&T */ +/* All Rights Reserved */ + + +/* + * Copyright (c) 1997, by Sun Microsystems, Inc. + * All rights reserved. + */ + +#pragma ident "%Z%%M% %I% %E% SMI" + +/*LINTLIBRARY*/ + +#include <sys/types.h> +#include "curses_inc.h" + +/* + * Copy n chars(wchar_t) in window win from current cursor position to end + * of window into char buffer str. Return the number of chars copied. + */ + +int +winnwstr(WINDOW *win, wchar_t *wstr, int ncols) +{ + int counter = 0; + int cy = win->_cury; + chtype *ptr = &(win->_y[cy][win->_curx]), + *pmax = &(win->_y[cy][win->_maxx]); + wchar_t wc, *cp; + int scrw, s; + char cbuf[CSMAX+1]; + + + while (ISCBIT(*ptr)) + ptr--; + + if (ncols < -1) + ncols = MAXINT; + + while (counter < ncols) { + wc = RBYTE(*ptr); + scrw = mbscrw((int) wc); + (void) mbeucw((int) wc); + /* LINTED */ + cp = (wchar_t *)cbuf; + for (s = 0; s < scrw; s++, ptr++) { + if ((wc = RBYTE(*ptr)) == MBIT) + continue; + *cp++ = wc; + if ((wc = LBYTE(*ptr) | MBIT) == MBIT) + continue; + *cp++ = wc; + } + *cp = (char)0; + + if (_curs_mbtowc(&wc, cbuf, CSMAX) <= 0) + break; + + *wstr++ = wc; + counter++; + + if (ptr >= pmax) { + if (++cy == win->_maxy) + break; + + ptr = &(win->_y[cy][0]); + pmax = ptr + win->_maxx; + } + } + if (counter < ncols) + *wstr = (wchar_t)0; + + return (counter); +} |
