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  1. #include <string>
  2. #include <locale>
  3. #include <codecvt>
  4. #include <iostream>
  5. #include <iomanip>
  6.  
  7. using namespace std;
  8.  
  9. int main() 
  10. {
  11.         std::string str("\x61\x61\x61\xf0\x9f\x98\xa8\xe4\xb8\xad\xe6\x96\x87");
  12.  
  13.         std::wstring_convert<std::codecvt_utf8<wchar_t> > cvt_utf8;
  14.         std::wstring ws = cvt_utf8.from_bytes(str);
  15.  
  16.         wcout << L"size of wchar_t == " << sizeof(wchar_t) << endl;
  17.         wcout << L"ws.len == " << ws.length() << endl;
  18.         wcout << L"ws: " << ws << endl;
  19.  
  20.         for (int i = 0; i < ws.length(); i++)
  21.         {
  22.             wcout << L"0x" << hex << (int)ws[i] << L" ";
  23.         }
  24. }
Success #stdin #stdout 0s 3476KB
comments (?)
stdin 
Standard input is empty
stdout 
size of wchar_t == 4
ws.len == 6
ws: aaa???
0x61 0x61 0x61 0x1f628 0x4e2d 0x6587
https://ideone.com/5iAhzF
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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