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Annotation of 43BSDReno/lib/libcurses/clrtoeol.c, revision 1.1.1.1

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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