1*e7be843bSPierre Pronchery /* 2*e7be843bSPierre Pronchery * Copyright 2024 The OpenSSL Project Authors. All Rights Reserved. 3*e7be843bSPierre Pronchery * 4*e7be843bSPierre Pronchery * Licensed under the Apache License 2.0 (the "License"). You may not use 5*e7be843bSPierre Pronchery * this file except in compliance with the License. You can obtain a copy 6*e7be843bSPierre Pronchery * in the file LICENSE in the source distribution or at 7*e7be843bSPierre Pronchery * https://www.openssl.org/source/license.html 8*e7be843bSPierre Pronchery */ 9*e7be843bSPierre Pronchery 10*e7be843bSPierre Pronchery #ifndef OSSL_INTERNAL_TO_HEX_H 11*e7be843bSPierre Pronchery # define OSSL_INTERNAL_TO_HEX_H 12*e7be843bSPierre Pronchery # pragma once 13*e7be843bSPierre Pronchery to_hex(char * buf,uint8_t n,const char hexdig[17])14*e7be843bSPierre Proncherystatic ossl_inline size_t to_hex(char *buf, uint8_t n, const char hexdig[17]) 15*e7be843bSPierre Pronchery { 16*e7be843bSPierre Pronchery *buf++ = hexdig[(n >> 4) & 0xf]; 17*e7be843bSPierre Pronchery *buf = hexdig[n & 0xf]; 18*e7be843bSPierre Pronchery return 2; 19*e7be843bSPierre Pronchery } 20*e7be843bSPierre Pronchery ossl_to_lowerhex(char * buf,uint8_t n)21*e7be843bSPierre Proncherystatic ossl_inline size_t ossl_to_lowerhex(char *buf, uint8_t n) 22*e7be843bSPierre Pronchery { 23*e7be843bSPierre Pronchery static const char hexdig[] = "0123456789abcdef"; 24*e7be843bSPierre Pronchery 25*e7be843bSPierre Pronchery return to_hex(buf, n, hexdig); 26*e7be843bSPierre Pronchery } 27*e7be843bSPierre Pronchery #endif 28