110 lines
1.9 KiB
C
110 lines
1.9 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
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* GNU Mes --- Maxwell Equations of Software
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* Copyright © 2017 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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*
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* This file is part of GNU Mes.
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*
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* GNU 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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* GNU 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 GNU Mes. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <string.h>
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#include <mes/lib.h>
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struct baz
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{
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int i;
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int j;
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};
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struct foo
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{
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int **bar;
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};
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void
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add0 (void *ptab)
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{
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void **pp = *(void ***) ptab;
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bla:
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pp[0] = 0x11223344;
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}
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void
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add1 (void *ptab)
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{
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void ***x = (void ***) ptab;
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bla:
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*(void ***) ptab = 0x22334455;
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}
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void
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add2 (void *ptab)
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{
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void ***x = (void ***) ptab;
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bla:
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*x = 0x33445566;
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}
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struct foo *hash_ident[10];
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int
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main ()
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{
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int i = 1;
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int *p = &i;
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struct foo f;
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f.bar = &p;
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eputs ("f.bar:");
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eputs (itoa (f.bar));
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eputs ("\n");
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add0 (&f.bar);
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eputs ("f.bar:");
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eputs (itoa (*f.bar));
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eputs ("\n");
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if (*f.bar != 0x11223344)
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return 1;
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add1 (&f.bar);
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eputs ("f.bar:");
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eputs (itoa (f.bar));
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eputs ("\n");
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if (f.bar != 0x22334455)
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return 2;
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add2 (&f.bar);
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eputs ("f.bar:");
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eputs (itoa (f.bar));
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eputs ("\n");
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if (f.bar != 0x33445566)
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return 3;
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hash_ident[0] = 10;
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*hash_ident = 0;
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memset (hash_ident, 0, 10);
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struct baz b;
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b.i = b.j = 1;
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if (b.i != 1)
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return 4;
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struct baz *pb = &b;
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pb->i = pb->j = 1;
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if (pb->i != 1)
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return 5;
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return 0;
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}
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