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Annotation of 43BSDReno/lib/libcurses/insch.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: (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[] = "@(#)insch.c    5.4 (Berkeley) 6/1/90";
        !            22: #endif /* not lint */
        !            23: 
        !            24: # include      "curses.ext"
        !            25: 
        !            26: /*
        !            27:  *     This routine performs an insert-char on the line, leaving
        !            28:  * (_cury,_curx) unchanged.
        !            29:  *
        !            30:  */
        !            31: winsch(win, c)
        !            32: reg WINDOW     *win;
        !            33: char           c; {
        !            34: 
        !            35:        reg char        *temp1, *temp2;
        !            36:        reg char        *end;
        !            37: 
        !            38:        end = &win->_y[win->_cury][win->_curx];
        !            39:        temp1 = &win->_y[win->_cury][win->_maxx - 1];
        !            40:        temp2 = temp1 - 1;
        !            41:        while (temp1 > end)
        !            42:                *temp1-- = *temp2--;
        !            43:        *temp1 = c;
        !            44:        touchline(win, win->_cury, win->_curx, win->_maxx - 1);
        !            45:        if (win->_cury == LINES - 1 && win->_y[LINES-1][COLS-1] != ' ')
        !            46:                if (win->_scroll) {
        !            47:                        wrefresh(win);
        !            48:                        scroll(win);
        !            49:                        win->_cury--;
        !            50:                }
        !            51:                else
        !            52:                        return ERR;
        !            53:        return OK;
        !            54: }

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