From: simon <simon@cda61777-01e9-0310-a592-d414129be87e>
Date: Mon, 5 Aug 2013 19:50:51 +0000 (+0000)
Subject: The bignum code has two representations of zero, since
X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/commitdiff_plain/434a1d60dbb7311c85e957dfd02c9b8bafaa2c44?hp=434a1d60dbb7311c85e957dfd02c9b8bafaa2c44

The bignum code has two representations of zero, since
bn_restore_invariant (and the many loops that duplicate it) leaves a
single zero word in a bignum representing 0, whereas the constant
'Zero' does not have any data words at all. Cope with this in
bignum_cmp.

(It would be a better plan to decide on one representation and stick
with it, but this is the less disruptive fix for the moment.)


git-svn-id: svn://svn.tartarus.org/sgt/putty@9996 cda61777-01e9-0310-a592-d414129be87e
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