c++ - Convert char * to LPWSTR

Question

I am trying to convert a program for multibyte character to Unicode.

I have gone through the program and preceded the string literals with L so they look like L"string".

This has worked but I am now left with a C style string that won't conform. I have tried the L and putting it in TEXT() but the L gets added to the variable name -- not the string -- if I use TEXT().

I have tried making it a TCHAR but then it complains that it cannot convert a TCHAR to a char *.

What options am I left with?

I know C and C++ are different. It is an old in-house C library that has been used in C++ projects for several years now.

Answer 1

The std::mbstowcs function is what you are looking for:

 char text[] = "something";
 wchar_t wtext[20];
 mbstowcs(wtext, text, strlen(text)+1);//Plus null
 LPWSTR ptr = wtext;

for strings,

 string text = "something";
 wchar_t wtext[20];
 mbstowcs(wtext, text.c_str(), text.length());//includes null
 LPWSTR ptr = wtext;

--> ED: The "L" prefix only works on string literals, not variables. <--