103 lines
2.1 KiB
C
103 lines
2.1 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 <mes/lib.h>
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#if __MESC__
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#define __attribute__(x)
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#endif
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struct foo13
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{
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int a;
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int b;
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int c;
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char d;
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} __attribute__ ((packed));
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;
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struct foo16
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{
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int a;
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int b;
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int c;
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int d;
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};
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struct foo13 tab14[3];
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struct foo16 tab16[3];
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int
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main ()
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{
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unsigned char *p;
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tab14[1].a = -1;
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tab14[1].b = -1;
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tab14[1].c = -1;
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tab14[1].d = -1;
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p = &tab14;
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for (int i = 0; i < sizeof (struct foo13) * 2; i++)
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{
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if (i < 10)
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eputs (" ");
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eputs (itoa (i));
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eputs (": ");
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eputs (itoa (p[i]));
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eputs ("\n");
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}
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for (int i = 0; i < sizeof (struct foo13); i++)
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if (p[i] != 0)
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return 1 + i;
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for (int i = sizeof (struct foo13); i < 2 * sizeof (struct foo13); i++)
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if (p[i] != 255)
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return 1 + i;
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tab16[1].a = -1;
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tab16[1].b = -1;
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tab16[1].c = -1;
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tab16[1].d = -1;
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p = &tab16;
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for (int i = 0; i < sizeof (struct foo16) * 2; i++)
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{
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if (i < 10)
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eputs (" ");
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eputs (itoa (i));
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eputs (": ");
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eputs (itoa (p[i]));
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eputs ("\n");
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}
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for (int i = 0; i < sizeof (struct foo16); i++)
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if (p[i] != 0)
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return 1 + i;
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for (int i = sizeof (struct foo16); i < 2 * sizeof (struct foo16); i++)
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if (p[i] != 255)
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return 1 + i;
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return 0;
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}
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