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

1.1       root        1: /*
                      2:  * Copyright (c) 1980 Regents of the University of California.
                      3:  * All rights reserved.  The Berkeley software License Agreement
                      4:  * specifies the terms and conditions for redistribution.
                      5:  */
                      6: 
                      7: #ifndef lint
                      8: static char sccsid[] = "@(#)clrtoeol.c 5.1 (Berkeley) 6/7/85";
                      9: #endif not lint
                     10: 
                     11: # include      "curses.ext"
                     12: 
                     13: /*
                     14:  *     This routine clears up to the end of line
                     15:  *
                     16:  */
                     17: wclrtoeol(win)
                     18: reg WINDOW     *win; {
                     19: 
                     20:        reg char        *sp, *end;
                     21:        reg int         y, x;
                     22:        reg char        *maxx;
                     23:        reg int         minx;
                     24: 
                     25:        y = win->_cury;
                     26:        x = win->_curx;
                     27:        end = &win->_y[y][win->_maxx];
                     28:        minx = _NOCHANGE;
                     29:        maxx = &win->_y[y][x];
                     30:        for (sp = maxx; sp < end; sp++)
                     31:                if (*sp != ' ') {
                     32:                        maxx = sp;
                     33:                        if (minx == _NOCHANGE)
                     34:                                minx = sp - win->_y[y];
                     35:                        *sp = ' ';
                     36:                }
                     37:        /*
                     38:         * update firstch and lastch for the line
                     39:         */
                     40:        touchline(win, y, win->_curx, win->_maxx - 1);
                     41: # ifdef DEBUG
                     42:        fprintf(outf, "CLRTOEOL: minx = %d, maxx = %d, firstch = %d, lastch = %d\n", minx, maxx - win->_y[y], win->_firstch[y], win->_lastch[y]);
                     43: # endif
                     44: }

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