| 1 | /*
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| 2 | * Copyright (c) 1981 Regents of the University of California.
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | * 1. Redistributions of source code must retain the above copyright
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| 9 | * notice, this list of conditions and the following disclaimer.
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| 10 | * 2. Redistributions in binary form must reproduce the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer in the
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| 12 | * documentation and/or other materials provided with the distribution.
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| 13 | * 3. All advertising materials mentioning features or use of this software
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| 14 | * must display the following acknowledgement:
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| 15 | * This product includes software developed by the University of
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| 16 | * California, Berkeley and its contributors.
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| 17 | * 4. Neither the name of the University nor the names of its contributors
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| 18 | * may be used to endorse or promote products derived from this software
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| 19 | * without specific prior written permission.
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| 20 | *
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| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 31 | * SUCH DAMAGE.
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| 32 | */
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| 33 |
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| 34 | #ifndef lint
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| 35 | static char sccsid[] = "@(#)id_subwins.c 5.4 (Berkeley) 6/1/90";
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| 36 | #endif /* not lint */
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| 37 |
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| 38 | # include "curses.ext"
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| 39 |
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| 40 | /*
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| 41 | * _id_subwins:
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| 42 | * Re-sync the pointers to _y for all the subwindows.
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| 43 | *
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| 44 | */
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| 45 | _id_subwins(orig)
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| 46 | register WINDOW *orig;
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| 47 | {
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| 48 | register WINDOW *win;
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| 49 | register int realy;
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| 50 | register int y, oy, x;
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| 51 |
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| 52 | realy = orig->_begy + orig->_cury;
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| 53 | for (win = orig->_nextp; win != orig; win = win->_nextp) {
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| 54 | /*
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| 55 | * If the window ends before our current position,
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| 56 | * don't need to do anything.
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| 57 | */
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| 58 | if (win->_begy + win->_maxy <= realy)
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| 59 | continue;
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| 60 |
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| 61 | oy = orig->_cury;
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| 62 | for (y = realy - win->_begy; y < win->_maxy; y++, oy++)
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| 63 | win->_y[y] = &orig->_y[oy][win->_ch_off];
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| 64 | }
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| 65 | }
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