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Annotation of 43BSDTahoe/usr.lib/libcurses/insertln.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 the above copyright notice and this paragraph are
        !             7:  * duplicated in all such forms and that any documentation,
        !             8:  * advertising materials, and other materials related to such
        !             9:  * distribution and use acknowledge that the software was developed
        !            10:  * by the University of California, Berkeley.  The name of the
        !            11:  * University may not be used to endorse or promote products derived
        !            12:  * from this software without specific prior written permission.
        !            13:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            14:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            15:  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            16:  */
        !            17: 
        !            18: #ifndef lint
        !            19: static char sccsid[] = "@(#)insertln.c 5.3 (Berkeley) 6/30/88";
        !            20: #endif /* not lint */
        !            21: 
        !            22: # include      "curses.ext"
        !            23: 
        !            24: /*
        !            25:  *     This routine performs an insert-line on the window, leaving
        !            26:  * (_cury,_curx) unchanged.
        !            27:  *
        !            28:  */
        !            29: winsertln(win)
        !            30: reg WINDOW     *win; {
        !            31: 
        !            32:        reg char        *temp;
        !            33:        reg int         y;
        !            34:        reg char        *end;
        !            35:        reg int         x;
        !            36: 
        !            37: #ifdef DEBUG
        !            38:        fprintf(outf, "INSERTLN(%0.2o)\n", win);
        !            39: #endif
        !            40:        if (win->_orig == NULL)
        !            41:                temp = win->_y[win->_maxy - 1];
        !            42:        for (y = win->_maxy - 1; y > win->_cury; --y) {
        !            43:                if (win->_orig == NULL)
        !            44:                        win->_y[y] = win->_y[y - 1];
        !            45:                else
        !            46:                        bcopy(win->_y[y - 1], win->_y[y], win->_maxx);
        !            47:                touchline(win, y, 0, win->_maxx - 1);
        !            48:        }
        !            49:        if (win->_orig == NULL)
        !            50:                win->_y[y] = temp;
        !            51:        else
        !            52:                temp = win->_y[y];
        !            53:        for (end = &temp[win->_maxx]; temp < end; )
        !            54:                *temp++ = ' ';
        !            55:        touchline(win, y, 0, win->_maxx - 1);
        !            56:        if (win->_orig == NULL)
        !            57:                _id_subwins(win);
        !            58: }

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