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Annotation of 43BSDTahoe/usr.lib/libcurses/deleteln.c, revision 1.1.1.1

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[] = "@(#)deleteln.c 5.3 (Berkeley) 6/30/88";
                     20: #endif /* not lint */
                     21: 
                     22: # include      "curses.ext"
                     23: 
                     24: /*
                     25:  *     This routine deletes a line from the screen.  It leaves
                     26:  * (_cury,_curx) unchanged.
                     27:  *
                     28:  */
                     29: wdeleteln(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, "DELETELN(%0.2o)\n", win);
                     39: # endif
                     40:        temp = win->_y[win->_cury];
                     41:        for (y = win->_cury; y < win->_maxy - 1; y++) {
                     42:                if (win->_orig == NULL)
                     43:                        win->_y[y] = win->_y[y + 1];
                     44:                else
                     45:                        bcopy(win->_y[y + 1], win->_y[y], win->_maxx);
                     46:                touchline(win, y, 0, win->_maxx - 1);
                     47:        }
                     48:        if (win->_orig == NULL)
                     49:                win->_y[y] = temp;
                     50:        else
                     51:                temp = win->_y[y];
                     52:        for (end = &temp[win->_maxx]; temp < end; )
                     53:                *temp++ = ' ';
                     54:        touchline(win, win->_cury, 0, win->_maxx - 1);
                     55:        if (win->_orig == NULL)
                     56:                _id_subwins(win);
                     57:        return OK;
                     58: }

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