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

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[] = "@(#)deleteln.c 5.1 (Berkeley) 6/7/85";
                      9: #endif not lint
                     10: 
                     11: # include      "curses.ext"
                     12: 
                     13: /*
                     14:  *     This routine deletes a line from the screen.  It leaves
                     15:  * (_cury,_curx) unchanged.
                     16:  *
                     17:  */
                     18: wdeleteln(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, "DELETELN(%0.2o)\n", win);
                     28: # endif
                     29:        temp = win->_y[win->_cury];
                     30:        for (y = win->_cury; y < win->_maxy - 1; y++) {
                     31:                if (win->_orig == NULL)
                     32:                        win->_y[y] = win->_y[y + 1];
                     33:                else
                     34:                        bcopy(win->_y[y + 1], win->_y[y], win->_maxx);
                     35:                touchline(win, y, 0, win->_maxx - 1);
                     36:        }
                     37:        if (win->_orig == NULL)
                     38:                win->_y[y] = temp;
                     39:        else
                     40:                temp = win->_y[y];
                     41:        for (end = &temp[win->_maxx]; temp < end; )
                     42:                *temp++ = ' ';
                     43:        touchline(win, win->_cury, 0, win->_maxx - 1);
                     44:        if (win->_orig == NULL)
                     45:                _id_subwins(win);
                     46:        return OK;
                     47: }

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