2 * Copyright 2021 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
10 #ifndef OSSL_INTERNAL_UNICODE_H
11 # define OSSL_INTERNAL_UNICODE_H
15 SURROGATE_MIN = 0xd800UL,
16 SURROGATE_MAX = 0xdfffUL,
17 UNICODE_MAX = 0x10ffffUL,
21 static ossl_unused ossl_inline int is_unicode_surrogate(unsigned long value)
23 return value >= SURROGATE_MIN && value <= SURROGATE_MAX;
26 static ossl_unused ossl_inline int is_unicode_valid(unsigned long value)
28 return value <= UNICODE_MAX && !is_unicode_surrogate(value);