20 lines
436 B
C++
20 lines
436 B
C++
#pragma once
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#include <string>
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#include <cassert>
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namespace hex {
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inline std::string hex(const std::string& input, char beg, char end){
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assert(end - beg == 16);
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int len = input.length() * 2;
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char output[len];
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int idx = 0;
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for (char elm : input) {
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output[idx++] = static_cast<char>(beg + ((elm >> 4) & 0x0F));
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output[idx++] = static_cast<char>(beg + ((elm & 0x0F) >> 0));
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}
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return std::string(output, len);
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}
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} |