1e1051a39Sopenharmony_ci/* 2e1051a39Sopenharmony_ci * Copyright 2021 The OpenSSL Project Authors. All Rights Reserved. 3e1051a39Sopenharmony_ci * 4e1051a39Sopenharmony_ci * Licensed under the Apache License 2.0 (the "License"). You may not use 5e1051a39Sopenharmony_ci * this file except in compliance with the License. You can obtain a copy 6e1051a39Sopenharmony_ci * in the file LICENSE in the source distribution or at 7e1051a39Sopenharmony_ci * https://www.openssl.org/source/license.html 8e1051a39Sopenharmony_ci */ 9e1051a39Sopenharmony_ci 10e1051a39Sopenharmony_ci#ifndef OSSL_INTERNAL_UNICODE_H 11e1051a39Sopenharmony_ci# define OSSL_INTERNAL_UNICODE_H 12e1051a39Sopenharmony_ci# pragma once 13e1051a39Sopenharmony_ci 14e1051a39Sopenharmony_citypedef enum { 15e1051a39Sopenharmony_ci SURROGATE_MIN = 0xd800UL, 16e1051a39Sopenharmony_ci SURROGATE_MAX = 0xdfffUL, 17e1051a39Sopenharmony_ci UNICODE_MAX = 0x10ffffUL, 18e1051a39Sopenharmony_ci UNICODE_LIMIT 19e1051a39Sopenharmony_ci} UNICODE_CONSTANTS; 20e1051a39Sopenharmony_ci 21e1051a39Sopenharmony_cistatic ossl_unused ossl_inline int is_unicode_surrogate(unsigned long value) 22e1051a39Sopenharmony_ci{ 23e1051a39Sopenharmony_ci return value >= SURROGATE_MIN && value <= SURROGATE_MAX; 24e1051a39Sopenharmony_ci} 25e1051a39Sopenharmony_ci 26e1051a39Sopenharmony_cistatic ossl_unused ossl_inline int is_unicode_valid(unsigned long value) 27e1051a39Sopenharmony_ci{ 28e1051a39Sopenharmony_ci return value <= UNICODE_MAX && !is_unicode_surrogate(value); 29e1051a39Sopenharmony_ci} 30e1051a39Sopenharmony_ci 31e1051a39Sopenharmony_ci#endif 32