Re: [fltk.coredev] RFC: Disable Visual Studio warning about

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Re: RFC: Disable Visual Studio warning about Greg Ercolano Feb 17, 2021

On 2/17/21 2:12 PM, Albrecht Schlosser wrote:

On 2/17/21 10:43 PM Greg Ercolano wrote:

I was able to get _wopen() to work in mingw by modifying that program to use a wchar_t string,

How? Did you convert the UTF-8 string or how did you provide a wchar_t string? Which encoding?
Maybe with L"string" syntax? Yes, that would be UTF-16 encoded and work with _wopen().

    I used this:

    // Assumes cwd contains the UTF8-???? subdirectory     // UTF8 -> WIDECHAR    wchar_t wcfilename[] = L"./UTF8-作藩于外/foo/foo.txt";    if ( (fd = _wopen(wcfilename, O_RDONLY)) == -1 ) { // Visual Studio wide char open()        printf("_wopen() failed\n");        return 1;    }
    While that worked with mingw, it didn't with VS for some reason, not sure why.
    Might have been a missing compiler flag; I just used "CL /TP foo.cxx" to build it,
    but perhaps VS needs some coercion to comprehend inline utf8.

    I don't think I'm going to take on creating the wrapper, as I don't know enough
    about the ins and outs of all the details to make it do the right thing at the right time..

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