32 lines
850 B
C
32 lines
850 B
C
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/*
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* Copyright 2021 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#ifndef OSSL_INTERNAL_UNICODE_H
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# define OSSL_INTERNAL_UNICODE_H
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# pragma once
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typedef enum {
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SURROGATE_MIN = 0xd800UL,
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SURROGATE_MAX = 0xdfffUL,
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UNICODE_MAX = 0x10ffffUL,
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UNICODE_LIMIT
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} UNICODE_CONSTANTS;
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static ossl_unused ossl_inline int is_unicode_surrogate(unsigned long value)
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{
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return value >= SURROGATE_MIN && value <= SURROGATE_MAX;
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}
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static ossl_unused ossl_inline int is_unicode_valid(unsigned long value)
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{
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return value <= UNICODE_MAX && !is_unicode_surrogate(value);
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}
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#endif
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