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    SubjectRe: Filesize limitation

    I think the orignal author was refering to files larger then 2gigs.

    On Mon, 3 Nov 1997, Richard B. Johnson wrote:

    > On Mon, 3 Nov 1997, Andre Uratsuka Manoel wrote:
    >
    > >
    > >
    > > On Mon, 3 Nov 1997, Richard B. Johnson wrote:
    > >
    > > -> On Mon, 3 Nov 1997, Andre Uratsuka Manoel wrote:
    > > ->
    > > -> >
    > > -> There is plenty of "room" available in the object types that would
    > > -> define a file in Linux for an ext2 file-system (like fpos_t, etc.)
    > > ->
    > > -> I don't have a spare disk large enough to make a 2Gb file. However,
    > > -> I would guess that if you can't make one (with large enough media), there
    > > -> is either a bug in the program that tries to create it or possibly a
    > > -> bug in the kernel. You don't need 64 bits to manipulate a 2 Gb file.
    > > ->
    > > ->
    > >
    > > That's good, but it seems to me libc users a signed integer
    > > (ssize_t) for functions like read, write, seek, tell. Couldn't that
    > > cause problems, too?
    > >
    > > Also, the possibility of bugs in the program is still there.
    > >
    > > Thanks and regards
    > > Andre
    > >
    > >
    >
    > Don't see how....
    >
    > #include <stdio.h>
    >
    > main()
    > {
    > long foo = 0x07fffffff; /* Largest signed 32-bit */
    > printf("%ld bytes \n", foo);
    > foo /= 1024;
    > printf("%ld kilobytes\n", foo);
    > foo /= 1024;
    > printf("%ld megabytes\n", foo);
    > }
    >
    > 2147483647 bytes
    > 2097151 kilobytes
    > 2047 megabytes
    >
    > As you can see, 2 Gb fits fine. ssize_t is a 32-bit (long) int under
    > Linux.
    >
    >
    > Cheers,
    > Dick Johnson
    >
    > Richard B. Johnson
    > Project Engineer
    > Analogic Corporation
    > Penguin : Linux version 2.1.60 on an i586 machine (66.15 BogoMips).
    > Warning : It's hard to remain at the trailing edge of technology.
    >


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