lokinet/llarp/encode.cpp

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#include <llarp/encode.hpp>
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#include <stdexcept>
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namespace llarp
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{
int
char2int(char input)
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{
if(input >= '0' && input <= '9')
return input - '0';
if(input >= 'A' && input <= 'F')
return input - 'A' + 10;
if(input >= 'a' && input <= 'f')
return input - 'a' + 10;
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return 0;
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}
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bool
HexDecode(const char* src, uint8_t* target, size_t sz)
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{
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while(*src && src[1] && sz)
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{
*(target++) = char2int(*src) * 16 + char2int(src[1]);
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src += 2;
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--sz;
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}
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return sz == 0;
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}
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} // namespace llarp