You must be doing something wrong because aFileName is set but not used in
the first example.
You should try doing something like _wfopen(L"E:/Some/File.txt", L"rb"); so
that you can verify that _wfopen works without strange C++ stuff.
--David
On Mon, Mar 20, 2017 at 4:21 PM, Mario Emmenlauer <ma...@emmenlauer.de>
wrote:
>
> I have a problem with code that is using _wfopen() on Windows. Should it
> work with MSYS2? I have the following code that fails:
>
> std::string aFileName = "E:/Some/File.txt";
> std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>, wchar_t>
> converter;
> std::wstring vFileName = converter.from_bytes();
> FILE *in_stream = _wfopen(vFileName.c_str(), L"rb");
> // in_stream is NULL here
>
> The same code with fopen() on the original std::string works:
> std::string aFileName = "E:/Some/File.txt";
> FILE *in_stream = fopen(aFileName.c_str(), "rb");
> // in_stream is an open file here
>
> Is that to be expected, or am I doing something wrong?
>
> All the best,
>
> Mario Emmenlauer
>
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