Hi,
I have tried to open the file with _wfopen(), pass it to __gnu_cxx::
stdio_filebuf<char>, and set it as the buffer of an std::istream.
The file is open properly, first bytes are OK, but after 263 read bytes I
get an eof(), while the file is 39MB large.
Reading works well with a standard std::ifstream and a non-unicode file
name, and I am testing the simplest way possible:
int i = 0;
while(!stream.eof())
{
char a;
stream.read(&a, 1);
i++;
}
info("%d",i);
If nobody has an idea, I will give up for a Qt-based solution but I
was hoping making a source code that would compile without any
external library (with some preprocessing for detecting the Windows
case)
Thanks,
Etienne
2015-06-19 16:59 GMT+02:00 Ruben Van Boxem <vanboxem.ru...@gmail.com>:
> 2015-06-19 16:56 GMT+02:00 Ruben Van Boxem <vanboxem.ru...@gmail.com>:
>
>> 2015-06-19 16:45 GMT+02:00 Etienne Sandré-Chardonnal <
>> etienne.san...@m4x.org>:
>>
>>> Dear all
>>>
>>> I have found this old gcc discussion from Ruben :
>>> http://gcc.gnu.org/ml/libstdc++/2011-06/msg00066.html
>>>
>>> Is this available in recent mingw releases? I cannot find any of these
>>> extensions in 4.9.2 headers (and it does not work)
>>>
>>
>> No, unfortunately, it is not. You must manually work around this
>> shortcoming by e.g. using the libstdc++ extension:
>> https://gcc.gnu.org/onlinedocs/libstdc++/manual/ext_io.html
>> Note that proper memory management is kind of tricky (you need to take
>> care of the file descriptor or FILE* yourself)
>>
>
> Correction: onl the FILE* if you use that constructor. File descriptors
> are handled by the stdio_filebuf destructor.
> See: https://gcc.gnu.org/onlinedocs/libstdc++/latest-doxygen/a00070.html
>
>>
>> Ruben
>>
>
>
>
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