902ed2524a
* lib/string/memcmp.c (memcmp): Bugfix. * lib/tests/string/50-memcmp.c: Test it. * build-aux/check-mescc.sh (TESTS): Add it.
41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
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* GNU Mes --- Maxwell Equations of Software
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* Copyright © 2017,2018,2019 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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int
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memcmp (void const *s1, void const *s2, size_t size)
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{
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if (size == 0)
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return 0;
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char const *a = s1;
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char const *b = s2;
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while (a[0] == b[0] && size > 1)
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{
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size = size - 1;
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a = a + 1;
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b = b + 1;
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}
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return a[0] - b[0];
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}
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