Re: stdio and nfs-utils

["J. Bruce Fields" <bfields@fieldses.org>]

On Wed, Jul 25, 2007 at 06:37:23PM -0400, J. Bruce Fields wrote:
> I assume what's happening is that the stdio code is taking the error
> returns as a sign that it should leave the data in its buffer and just
> try again next time another fwrite adds more.  Does that make sense?
> I don't really understand how stdio is supposed to handle errors.

So I tried a test program that just does

	while (1) {
		fprintf(f, "%d\n", i++)
		fflush(f);
	}

and pointed it at one of those proc files, which will always return an
error on such a write.  On my fedora rawhide system, each write only
writes the new data.  On my debian sid system, each write writes all the
data accumulated so far.  Huh.

--b.

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