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Annotation of 40BSD/lib/libcurses/clrtoeol.c, revision 1.1.1.1

1.1       root        1: # include      "curses.ext"
                      2: 
                      3: /*
                      4:  *     This routine clears up to the end of line
                      5:  */
                      6: wclrtoeol(win)
                      7: reg WINDOW     *win; {
                      8: 
                      9:        reg char        *sp, *end;
                     10:        reg int         y, x;
                     11:        reg char        *maxx;
                     12:        reg int         minx;
                     13: 
                     14:        y = win->_cury;
                     15:        x = win->_curx;
                     16:        end = &win->_y[y][win->_maxx];
                     17:        minx = _NOCHANGE;
                     18:        maxx = &win->_y[y][x];
                     19:        for (sp = maxx; sp < end; sp++)
                     20:                if (*sp != ' ') {
                     21:                        maxx = sp;
                     22:                        if (minx == _NOCHANGE)
                     23:                                minx = sp - win->_y[y];
                     24:                        *sp = ' ';
                     25:                }
                     26:        /*
                     27:         * update firstch and lastch for the line
                     28:         */
                     29: # ifdef DEBUG
                     30:        fprintf(outf, "CLRTOEOL: minx = %d, maxx = %d, firstch = %d, lastch = %d\n", minx, maxx - win->_y[y], win->_firstch[y], win->_lastch[y]);
                     31: # endif
                     32:        if (minx != _NOCHANGE) {
                     33:                if (win->_firstch[y] > minx || win->_firstch[y] == _NOCHANGE)
                     34:                        win->_firstch[y] = minx;
                     35:                if (win->_lastch[y] < maxx - win->_y[y])
                     36:                        win->_lastch[y] = maxx - win->_y[y];
                     37:        }
                     38: 
                     39:        return OK;
                     40: }

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