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File size for files > 4Gb

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F. Bluemers

Joined: 09 Mar 2006
Posts: 733
Location: Nederland

Post subject: Re: File size for files > 4Gb Posted: Fri May 11, 2012 5:08 pm

Cardoso wrote:

Hi,
I'm generating the 8man checkers EGTB and for the first time one slice is greater than 4GB.
I'm using MSVS 2010, and c++, a x64 project and windows 7 x64, fwrite and fread don't work so I made my own versions of these functions to write and read files by chunks.
But another problem occured, I can't determine the file size of files bigger than 4gb.
I use _fseeki64 and _ftelli64, but these don't work.
The size is allways zero. I open files with _fsopen().
I came across the _filelength64() function but this func don't work with (FILE *) structure.
Can some please help me getting the file size of files bigger than 4GB?

best regards,
Alvaro

What about the underlying I/O functions?
_open() and _tell(),they might work.

Display posts from previous:

Subject	Author	Date/Time
File size for files > 4Gb	Alvaro Cardoso	Fri May 11, 2012 2:45 pm
Re: File size for files > 4Gb	F. Bluemers	Fri May 11, 2012 5:08 pm
Re: File size for files > 4Gb	Vincent Diepeveen	Tue May 15, 2012 7:40 pm
Re: File size for files > 4Gb	F. Bluemers	Fri May 11, 2012 5:54 pm
Re: File size for files > 4Gb	Vincent Diepeveen	Tue May 15, 2012 7:36 pm
Re: File size for files > 4Gb	Vincent Diepeveen	Tue May 15, 2012 7:47 pm

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