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Annotation of 43BSDReno/lib/libcurses/clrtoeol.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1981 Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms are permitted
        !             6:  * provided that: (1) source distributions retain this entire copyright
        !             7:  * notice and comment, and (2) distributions including binaries display
        !             8:  * the following acknowledgement:  ``This product includes software
        !             9:  * developed by the University of California, Berkeley and its contributors''
        !            10:  * in the documentation or other materials provided with the distribution
        !            11:  * and in all advertising materials mentioning features or use of this
        !            12:  * software. Neither the name of the University nor the names of its
        !            13:  * contributors may be used to endorse or promote products derived
        !            14:  * from this software without specific prior written permission.
        !            15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            16:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            17:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            18:  */
        !            19: 
        !            20: #ifndef lint
        !            21: static char sccsid[] = "@(#)clrtoeol.c 5.4 (Berkeley) 6/1/90";
        !            22: #endif /* not lint */
        !            23: 
        !            24: # include      "curses.ext"
        !            25: 
        !            26: /*
        !            27:  *     This routine clears up to the end of line
        !            28:  *
        !            29:  */
        !            30: wclrtoeol(win)
        !            31: reg WINDOW     *win; {
        !            32: 
        !            33:        reg char        *sp, *end;
        !            34:        reg int         y, x;
        !            35:        reg char        *maxx;
        !            36:        reg int         minx;
        !            37: 
        !            38:        y = win->_cury;
        !            39:        x = win->_curx;
        !            40:        end = &win->_y[y][win->_maxx];
        !            41:        minx = _NOCHANGE;
        !            42:        maxx = &win->_y[y][x];
        !            43:        for (sp = maxx; sp < end; sp++)
        !            44:                if (*sp != ' ') {
        !            45:                        maxx = sp;
        !            46:                        if (minx == _NOCHANGE)
        !            47:                                minx = sp - win->_y[y];
        !            48:                        *sp = ' ';
        !            49:                }
        !            50:        /*
        !            51:         * update firstch and lastch for the line
        !            52:         */
        !            53:        touchline(win, y, win->_curx, win->_maxx - 1);
        !            54: # ifdef DEBUG
        !            55:        fprintf(outf, "CLRTOEOL: minx = %d, maxx = %d, firstch = %d, lastch = %d\n", minx, maxx - win->_y[y], win->_firstch[y], win->_lastch[y]);
        !            56: # endif
        !            57: }

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