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Annotation of 43BSDReno/lib/libcurses/insertln.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: (1) source distributions retain this entire copyright
                      7:  * notice and comment, and (2) distributions including binaries display
                      8:  * the following acknowledgement:  ``This product includes software
                      9:  * developed by the University of California, Berkeley and its contributors''
                     10:  * in the documentation or other materials provided with the distribution
                     11:  * and in all advertising materials mentioning features or use of this
                     12:  * software. Neither the name of the University nor the names of its
                     13:  * contributors may be used to endorse or promote products derived
                     14:  * from this software without specific prior written permission.
                     15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     16:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     17:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     18:  */
                     19: 
                     20: #ifndef lint
                     21: static char sccsid[] = "@(#)insertln.c 5.4 (Berkeley) 6/1/90";
                     22: #endif /* not lint */
                     23: 
                     24: # include      "curses.ext"
                     25: 
                     26: /*
                     27:  *     This routine performs an insert-line on the window, leaving
                     28:  * (_cury,_curx) unchanged.
                     29:  *
                     30:  */
                     31: winsertln(win)
                     32: reg WINDOW     *win; {
                     33: 
                     34:        reg char        *temp;
                     35:        reg int         y;
                     36:        reg char        *end;
                     37:        reg int         x;
                     38: 
                     39: #ifdef DEBUG
                     40:        fprintf(outf, "INSERTLN(%0.2o)\n", win);
                     41: #endif
                     42:        if (win->_orig == NULL)
                     43:                temp = win->_y[win->_maxy - 1];
                     44:        for (y = win->_maxy - 1; y > win->_cury; --y) {
                     45:                if (win->_orig == NULL)
                     46:                        win->_y[y] = win->_y[y - 1];
                     47:                else
                     48:                        bcopy(win->_y[y - 1], win->_y[y], win->_maxx);
                     49:                touchline(win, y, 0, win->_maxx - 1);
                     50:        }
                     51:        if (win->_orig == NULL)
                     52:                win->_y[y] = temp;
                     53:        else
                     54:                temp = win->_y[y];
                     55:        for (end = &temp[win->_maxx]; temp < end; )
                     56:                *temp++ = ' ';
                     57:        touchline(win, y, 0, win->_maxx - 1);
                     58:        if (win->_orig == NULL)
                     59:                _id_subwins(win);
                     60: }

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