28 lines
1.1 KiB
C
28 lines
1.1 KiB
C
// Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef OPENSSL_HEADER_MEM_H
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#define OPENSSL_HEADER_MEM_H
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#include <ring-core/base.h>
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// CRYPTO_memcmp returns zero iff the |len| bytes at |a| and |b| are equal. It
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// takes an amount of time dependent on |len|, but independent of the contents
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// of |a| and |b|. Unlike memcmp, it cannot be used to put elements into a
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// defined order as the return value when a != b is undefined, other than to be
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// non-zero.
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OPENSSL_EXPORT int CRYPTO_memcmp(const void *a, const void *b, size_t len);
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#endif // OPENSSL_HEADER_MEM_H
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