Re: wifstream

[ArbolOne <ArbolOne at hotmail dot ca>]

I see, VC has it's own way of doing things, thank you for advice. One
more question, where can I have reference to standard library?

On 15/08/2014 11:54 AM, Jonathan Wakely wrote:
> On 15 August 2014 16:49, ArbolOne wrote:
> > In my Windows 7 this code doesn't work:
> > std::wstring& getFileName() {
> >       return file_name;
> > }
> > myMethod(){
> > wchar_t tmp = *getFileName().c_str() ;
> >       std::wifstream infile( tmp ); // <<-- error: invalid conversion
> > from 'wchar_t' to 'const char*' [-fpermissive]
> >       return infile.good( );
> > }
> >
> >
> > It seems to me that  std::wifstream does not accept wchar_t as a value
> > type, but only const char*, contrary to to what is explained in
> > http://msdn.microsoft.com/en-us/library/3b5w4311.aspx
> That is describing the MS library, it's not the standard.
>
> > Where did I go wrong? or, is this a bug?
> No, the standard says that basic_fstream always takes narrow character
> strings to specify the filename, even if the stream itself uses wide
> characters.