diff options
Diffstat (limited to 'lib/libcurses/clrtoeol.c')
| -rw-r--r-- | lib/libcurses/clrtoeol.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/lib/libcurses/clrtoeol.c b/lib/libcurses/clrtoeol.c new file mode 100644 index 0000000..6fa63b4 --- /dev/null +++ b/lib/libcurses/clrtoeol.c @@ -0,0 +1,83 @@ +/* + * Copyright (c) 1981, 1993 + * The 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 8.1 (Berkeley) 6/4/93"; +#endif /* not lint */ + +#include <curses.h> + +/* + * wclrtoeol -- + * Clear up to the end of line. + */ +int +wclrtoeol(win) + register WINDOW *win; +{ + register int minx, x, y; + register __LDATA *end, *maxx, *sp; + + y = win->cury; + x = win->curx; + if (win->lines[y]->flags & __ISPASTEOL) { + if (y < win->maxy - 1) { + y++; + x = 0; + } else + return (OK); + } + end = &win->lines[y]->line[win->maxx]; + minx = -1; + maxx = &win->lines[y]->line[x]; + for (sp = maxx; sp < end; sp++) + if (sp->ch != ' ' || sp->attr != 0) { + maxx = sp; + if (minx == -1) + minx = sp - win->lines[y]->line; + sp->ch = ' '; + sp->attr = 0; + } +#ifdef DEBUG + __CTRACE("CLRTOEOL: minx = %d, maxx = %d, firstch = %d, lastch = %d\n", + minx, maxx - win->lines[y]->line, *win->lines[y]->firstchp, + *win->lines[y]->lastchp); +#endif + /* Update firstch and lastch for the line. */ + return (__touchline(win, y, x, win->maxx - 1, 0)); +} + + + + + |
