diff options
Diffstat (limited to 'lib/libcurses/deleteln.c')
| -rw-r--r-- | lib/libcurses/deleteln.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/lib/libcurses/deleteln.c b/lib/libcurses/deleteln.c new file mode 100644 index 000000000000..ba5d4819743e --- /dev/null +++ b/lib/libcurses/deleteln.c @@ -0,0 +1,74 @@ +/* + * Copyright (c) 1981 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef lint +static char sccsid[] = "@(#)deleteln.c 5.4 (Berkeley) 6/1/90"; +#endif /* not lint */ + +# include "curses.ext" + +/* + * This routine deletes a line from the screen. It leaves + * (_cury,_curx) unchanged. + * + */ +wdeleteln(win) +reg WINDOW *win; +{ + reg chtype *temp; + reg int y; + reg chtype *end; + reg int x; + +# ifdef DEBUG + fprintf(outf, "DELETELN(%0.2o)\n", win); +# endif + temp = win->_y[win->_cury]; + for (y = win->_cury; y < win->_maxy - 1; y++) { + if (win->_orig == NULL) + win->_y[y] = win->_y[y + 1]; + else + bcopy(win->_y[y + 1], win->_y[y], win->_maxx * sizeof(chtype)); + touchline(win, y, 0, win->_maxx - 1); + } + if (win->_orig == NULL) + win->_y[y] = temp; + else + temp = win->_y[y]; + for (end = &temp[win->_maxx]; temp < end; ) + *temp++ = ' '; + touchline(win, y, 0, win->_maxx - 1); + if (win->_orig == NULL) + _id_subwins(win); + return OK; +} |
