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Annotation of 43BSD/usr.lib/libcurses/insertln.c, revision 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[] = "@(#)insertln.c 5.1 (Berkeley) 6/7/85";
        !             9: #endif not lint
        !            10: 
        !            11: # include      "curses.ext"
        !            12: 
        !            13: /*
        !            14:  *     This routine performs an insert-line on the window, leaving
        !            15:  * (_cury,_curx) unchanged.
        !            16:  *
        !            17:  */
        !            18: winsertln(win)
        !            19: reg WINDOW     *win; {
        !            20: 
        !            21:        reg char        *temp;
        !            22:        reg int         y;
        !            23:        reg char        *end;
        !            24:        reg int         x;
        !            25: 
        !            26: #ifdef DEBUG
        !            27:        fprintf(outf, "INSERTLN(%0.2o)\n", win);
        !            28: #endif
        !            29:        if (win->_orig == NULL)
        !            30:                temp = win->_y[win->_maxy - 1];
        !            31:        for (y = win->_maxy - 1; y > win->_cury; --y) {
        !            32:                if (win->_orig == NULL)
        !            33:                        win->_y[y] = win->_y[y - 1];
        !            34:                else
        !            35:                        bcopy(win->_y[y - 1], win->_y[y], win->_maxx);
        !            36:                touchline(win, y, 0, win->_maxx - 1);
        !            37:        }
        !            38:        if (win->_orig == NULL)
        !            39:                win->_y[y] = temp;
        !            40:        else
        !            41:                temp = win->_y[y];
        !            42:        for (end = &temp[win->_maxx]; temp < end; )
        !            43:                *temp++ = ' ';
        !            44:        touchline(win, y, 0, win->_maxx - 1);
        !            45:        if (win->_orig == NULL)
        !            46:                _id_subwins(win);
        !            47: }

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