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Re: [PATCH] Fix for intermittent upload failure

From: Daniel Stenberg <>
Date: Wed, 16 Apr 2014 00:14:01 +0200 (CEST)

On Tue, 15 Apr 2014, David Warman wrote:

> Absent that clarification, it seemed permissible to send zero to indicate
> unknown. On reflection, it's not clear why there would need to be a
> distinction between "unknown" and "unset", but I had previously assumed that
> was the purpose of the -1 initializer (I had noticed the initial value).

There is no distinction. Unset or unknown is the same: -1. The point being
that a file can exist and have size 0, so it doesn't make sense to have any
magic meaning for the value 0 when it comes to file sizes.

> BTW, the new PROXYHEADER feature is good news. I have an example of exactly
> the problem that it fixes (another thing that has come to light after
> switching to SSL).


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Received on 2014-04-16