openssl/include/internal/to_hex.h
FdaSilvaYY f21ededc3c ssl: factorize and improved hex conversion code
Add inline qualifier to avoid exporting a function for one unique use

Reviewed-by: Tom Cosgrove <tom.cosgrove@arm.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/24968)
2024-08-07 19:25:10 +02:00

28 lines
737 B
C

/*
* Copyright 2024 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_TO_HEX_H
# define OSSL_INTERNAL_TO_HEX_H
# pragma once
static ossl_inline size_t to_hex(char *buf, uint8_t n, const char hexdig[17])
{
*buf++ = hexdig[(n >> 4) & 0xf];
*buf = hexdig[n & 0xf];
return 2;
}
static ossl_inline size_t ossl_to_lowerhex(char *buf, uint8_t n)
{
static const char hexdig[] = "0123456789abcdef";
return to_hex(buf, n, hexdig);
}
#endif