[ELDK] File Size limited to 2GB
Jonathan.Haws at sdl.usu.edu
Wed Oct 21 00:44:31 CEST 2009
> > I am writing some code that needs to write files that are larger
> > 2 GB. My file system on my disk is EXT2, so I know it supports
> > files than that, however when I hit a 2 GB file size, I get errors
> > trying to write a file.
> > I have tried including the flag O_LARGEFILE, however that is not
> > defined for a 32-bit system. I checked the system limits with
> > -a and it says I have an unlimited file size (in blocks). I
> > the limit is also inherent in older versions of GLibc, but I am
> > running 2.6.
> > Any ideas? What flag in the kernel am I missing? Or is it
> > in how my drive if formatted? Any kind of help would be
> You may want to read the libc documentation, especially section
> "1.3.4 Feature Test Macros" and the related documentation about the
> macros _LARGEFILE_SOURCE, _LARGEFILE64_SOURCE, and
That was the tidbit that I needed. All I needed to do was:
#define _FILE_OFFSET_BITS 64
Then everything worked just fine.
I appreciate the help!
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