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Annotation of coherent/d/usr/lib/libcurses/scroll.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 COHERENT
        !            19: #ifndef lint
        !            20: static uchar sccsid[] = "@(#)scroll.c  5.3 (Berkeley) 6/30/88";
        !            21: #endif /* not lint */
        !            22: #endif /* not COHERENT */
        !            23: 
        !            24: # include      "curses.ext"
        !            25: 
        !            26: /*
        !            27:  *     This routine scrolls the window up a line.
        !            28:  *
        !            29:  */
        !            30: scroll(win)
        !            31: register  WINDOW       *win;
        !            32: {
        !            33:        register int    oy, ox;
        !            34: 
        !            35: # ifdef DEBUG
        !            36:        fprintf(outf, "SCROLL(%0.2o)\n", win);
        !            37: # endif
        !            38: 
        !            39:        if (!win->_scroll)
        !            40:                return ERR;
        !            41: 
        !            42:        getyx(win, oy, ox);
        !            43:        wmove(win, 0, 0);
        !            44:        wdeleteln(win);
        !            45:        wmove(win, oy, ox);
        !            46: 
        !            47:        if (win == curscr) {
        !            48:                _putchar('\n');
        !            49:                if (!NONL)
        !            50:                        win->_curx = 0;
        !            51: # ifdef DEBUG
        !            52:                fprintf(outf, "SCROLL: win == curscr\n");
        !            53: # endif
        !            54:        }
        !            55: }

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