59 lines
1.3 KiB
C
59 lines
1.3 KiB
C
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/* -*-comment-start: "//";comment-end:""-*-
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* Mes --- Maxwell Equations of Software
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* Copyright © 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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*
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* This file is part of Mes.
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*
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* Mes is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* Mes is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Mes. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <string.h>
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struct foo
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{
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int i;
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int *j;
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struct foo *bar;
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struct foo *baz;
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};
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struct bar
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{
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int i, *j;
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struct bar *bar, *baz;
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};
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int
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main ()
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{
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struct foo f = {0, 0, 0, 0};
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struct foo g = {1, 0, 0, 0};
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f.j = &f.i;
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g.j = &g.i;
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f.bar = &f;
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f.baz = &g;
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struct bar b;
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memcpy (&b, &f, sizeof (struct foo));
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if (b.i != 0)
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return 1;
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if (*b.j != 0)
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return 2;
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if (b.bar->i != 0)
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return 3;
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if (*b.baz->j != 1)
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return 4;
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return 0;
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}
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