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path: root/util/stream/hex.cpp
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#include "hex.h" 
 
#include "output.h"
#include <util/string/hex.h> 
 
void HexEncode(const void* in, size_t len, IOutputStream& out) {
    static const size_t NUM_OF_BYTES = 32; 
    char buffer[NUM_OF_BYTES * 2]; 
 
    auto current = static_cast<const char*>(in); 
    for (size_t take = 0; len; current += take, len -= take) { 
        take = Min(NUM_OF_BYTES, len); 
        HexEncode(current, take, buffer); 
        out.Write(buffer, take * 2); 
    } 
} 
 
void HexDecode(const void* in, size_t len, IOutputStream& out) {
    Y_ENSURE(!(len & 1), TStringBuf("Odd buffer length passed to HexDecode"));
 
    static const size_t NUM_OF_BYTES = 32; 
    char buffer[NUM_OF_BYTES]; 
 
    auto current = static_cast<const char*>(in); 
    for (size_t take = 0; len; current += take, len -= take) { 
        take = Min(NUM_OF_BYTES * 2, len); 
        HexDecode(current, take, buffer); 
        out.Write(buffer, take / 2); 
    } 
}