35 lines
659 B
C++
35 lines
659 B
C++
#pragma once
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/*!********************************************************************
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Audacity: A Digital Audio Editor
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@file HexHelpers.h
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@brief Define helper functions for hex-to-num conversion.
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Dmitry Vedenko
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**********************************************************************/
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#include <cstdint>
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#include <cassert>
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#include <cctype>
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namespace audacity
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{
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inline uint8_t HexCharToNum (char c) noexcept
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{
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assert (std::isxdigit (c) != 0);
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if ('0' <= c && c <= '9')
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return c - '0';
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else if ('A' <= c && c <= 'F')
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return c - 'A' + 10;
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else if ('a' <= c && c <= 'f')
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return c - 'a' + 10;
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return 0;
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}
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}
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