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  1. #include <iostream>
  2. #include <cstdlib>
  3. #include <string>
  4.  
  5. std::string wstring_from_bytes(std::wstring const& wstr)
  6. {
  7.     std::size_t const size = sizeof(wstr.c_str());
  8.     char *str = new char[size];
  9.     std::string temp;
  10.  
  11.     std::wcstombs(str, wstr.c_str(), size);
  12.  
  13.     temp = str;
  14.  
  15.     return temp;
  16. }
  17.  
  18. int main()
  19. {
  20.     std::wstring wstr = L"abcd";
  21.     std::string str = wstring_from_bytes(wstr);
  22.  
  23.     std::cout << str;
  24. }
Success #stdin #stdout 0s 3472KB
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stdin
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Standard input is empty
stdout
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abcd
https://ideone.com/y3OLOa
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
secret

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