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