5d6041b780
RISC-V64 has `unsigned char` for `char`, so it failed to build. In amd64 `char` is `signed char`, so the code wasn't portable. We have to be explicit about the sign of the `char`. * lib/test/scaffold/16-cast.c: Add `signed` to `char`.
37 lines
1 KiB
C
37 lines
1 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
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* GNU Mes --- Maxwell Equations of Software
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* Copyright © 2023 Ekaitz Zarraga <ekaitz@elenq.tech>
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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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int
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main ()
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{
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signed char c = -1;
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unsigned u = c;
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unsigned t = (unsigned char)c;
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int i = -1;
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int r = u != -1;
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if (r)
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return 2;
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i = 255;
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r = t != 255;
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if (r)
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return 1;
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return 0;
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}
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