2db8bcc353
The former is deprecated with C++14. The standard says both are the same: The contents and meaning of the header<cstddef>are the same as the C standard library header<stddef.h>,except that it does not declare the type wchar_t, that it also declares the type byte and its associated operations (21.2.5), and as noted in 21.2.3 and 21.2.4. Signed-off-by: Rosen Penev <rosenp@gmail.com>
67 lines
2.1 KiB
C++
67 lines
2.1 KiB
C++
/*
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* Copyright (C) 2018 Max Kellermann <max.kellermann@gmail.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef HEX_FORMAT_HXX
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#define HEX_FORMAT_HXX
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#include "ConstBuffer.hxx"
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#include "StringBuffer.hxx"
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#include "Compiler.h"
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#include <cstddef>
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#include <stdint.h>
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/**
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* Format the given byte sequence into a null-terminated hexadecimal
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* string.
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*
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* @param dest the destination buffer; must be large enough to hold
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* all hex digits plus the null terminator
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* @return a pointer to the generated null terminator
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*/
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char *
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HexFormat(char *dest, ConstBuffer<uint8_t> src) noexcept;
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/**
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* Like HexFormat(), but return a #StringBuffer with exactly the
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* required size.
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*/
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template<size_t size>
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gcc_pure
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auto
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HexFormatBuffer(const uint8_t *src) noexcept
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{
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StringBuffer<size * 2 + 1> dest;
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HexFormat(dest.data(), {src, size});
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return dest;
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}
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#endif
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