Sorry, here is the corrected example:
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(aFileName);
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 a correctly opened file here
All the best,
Mario Emmenlauer
On 21.03.2017 00:27, David Grayson wrote:
> 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 <[email protected]
> <mailto:[email protected]>> 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:
>
[...]
>
> Is that to be expected, or am I doing something wrong?
>
> All the best,
>
> Mario Emmenlauer
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