37 lines
1.1 KiB
C
37 lines
1.1 KiB
C
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/* Compare two memory areas with possibly different lengths.
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Copyright (C) 2009-2020 Free Software Foundation, Inc.
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This program 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
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by the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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#include <config.h>
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/* Specification. */
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#include "memcmp2.h"
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#include <string.h>
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int
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memcmp2 (const char *s1, size_t n1, const char *s2, size_t n2)
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{
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int cmp = memcmp (s1, s2, n1 <= n2 ? n1 : n2);
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if (cmp == 0)
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{
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if (n1 < n2)
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cmp = -1;
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else if (n1 > n2)
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cmp = 1;
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}
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return cmp;
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}
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