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  1. January 26th, 2004, 05:22 AM #1
    der dom
    der dom is offline Member
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    Check, if mounted devices

    Hi,

    how can I check a directory, if it's on a mounted device or local?
    Is there any c standard function?
    It should be portable to differnt unix archs.
    (Solaris, Solaris64, Solaris86, Tru64, HP1x, AIX, Linux, ......)

    Thanks,

    Marco
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  2. January 26th, 2004, 09:31 AM #2
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    treuss
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    The statvfs system call gives you information about the filesystem a file resides on. It's POSIX, so it should be portable, but I don't take guarantee for it.
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  3. January 26th, 2004, 09:35 AM #3
    der dom
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    Okay thanks!
    I will try it with this one!

    Marco
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  4. January 26th, 2004, 09:47 AM #4
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    treuss
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    Just noticed that my answer was somewhat incomplete.

    On Solaris, you can tell the filesystem by the f_basetype string and then have to use a table to decide if it is local or not (e.g. UFS = local, NFS = not). On other OSes you might not have f_basetype. So I don't think there is a really portable way.
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