Function of converting char to wchar_t

char2wchar_t.cpp

//Convert char to wchar_t
bool char2wchar_t(char *str1, wchar_t *str2){
  std::wstringstream st;
  st << str1;
	return !(st >> str2).fail();
};

example.cpp

#include <sstream>

char cStr[]="Hello";
wchar_t wStr[10];
char2wchar_t(cStr,wStr);