Re: [boost] [filesystem] On POSIX, any reliable way to find file size?

From: Momchil Velikov (velco_at_[hidden])
Date: 2004-02-01 04:33:25

>>>>> "Beman" == Beman Dawes <bdawes_at_[hidden]> writes:
    Beman> The implementation would go something like this:

    Beman>     #if defined( BOOST_WINDOWS )
    Beman>        // use the Windows native API; file_offset_type is long long.
    Beman>        ...
    Beman>     #else
    Beman>        #define _FILE_OFFSET_BITS 64 // this may or may not do anything
    Beman>        // use stat(); file_offset_type is same as off_t,
    Beman>        // which may be 32-bits on 32-bit platforms which don't
    Beman>        // respond to _FILE_OFFSET_BITS
    Beman>        ...
    Beman>     #endif

  All files must be compiled with the same _FILE_OFFSET_BITS.  You
don't want to get binary incompatible objects just because one
happened to include the above header[1] and the other didn't.

~velco

[1] The program may have reasons to use struct stat independed of the
presence of boost.