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Diffstat (limited to 'lib/libcurses/clrtoeol.c')
| -rw-r--r-- | lib/libcurses/clrtoeol.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/lib/libcurses/clrtoeol.c b/lib/libcurses/clrtoeol.c new file mode 100644 index 000000000000..6af2bfcededf --- /dev/null +++ b/lib/libcurses/clrtoeol.c @@ -0,0 +1,71 @@ +/* + * 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[] = "@(#)clrtoeol.c 5.4 (Berkeley) 6/1/90"; +#endif /* not lint */ + +# include "curses.ext" + +/* + * This routine clears up to the end of line + * + */ +wclrtoeol(win) +reg WINDOW *win; { + + reg chtype *sp, *end; + reg int y, x; + reg chtype *maxx; + reg int minx; + + y = win->_cury; + x = win->_curx; + end = &win->_y[y][win->_maxx]; + minx = _NOCHANGE; + maxx = &win->_y[y][x]; + for (sp = maxx; sp < end; sp++) + if (*sp != ' ') { + maxx = sp; + if (minx == _NOCHANGE) + minx = sp - win->_y[y]; + *sp = ' '; + } + /* + * update firstch and lastch for the line + */ + touchline(win, y, win->_curx, win->_maxx - 1); +# ifdef DEBUG + fprintf(outf, "CLRTOEOL: minx = %d, maxx = %d, firstch = %d, lastch = %d\n", minx, maxx - win->_y[y], win->_firstch[y], win->_lastch[y]); +# endif +} |