Re: Script to set up sparse device for testing

On Thu, Jul 06, 2006 at 12:05:41PM +0200, Erik Mouw wrote:
> (IIRC truncate() isn't required to work this way according to
> POSIX/SUSv3, but it works under Linux).

The truncate() function shall cause the regular file named by path to
have a size which shall be equal to length bytes.

If the file previously was larger than length, the extra data is
discarded. If the file was previously shorter than length, its size is
increased, and the extended area appears as if it were zero-filled.

http://www.opengroup.org/onlinepubs/000095399/functions/truncate.html

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