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view mercurial/mergeutil.py @ 30830:08fa3a76a080

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zstd: prevent potential free() of uninitialized memory This is a cherry pick of an upstream fix. The free() of uninitialed memory could likely only occur if a malloc() inside zstd fails. The patched functions aren't currently used by Mercurial. But I don't like leaving footguns sitting around.
author Gregory Szorc <gregory.szorc@gmail.com>
date Tue, 17 Jan 2017 10:17:13 -0800
parents c1149533676b
children 2372284d9457
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# mergeutil.py - help for merge processing in mercurial
#
# Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.

from __future__ import absolute_import

from .i18n import _

from . import (
    error,
)

def checkunresolved(ms):
    if list(ms.unresolved()):
        raise error.Abort(_("unresolved merge conflicts "
                            "(see 'hg help resolve')"))
    if ms.mdstate() != 's' or list(ms.driverresolved()):
        raise error.Abort(_('driver-resolved merge conflicts'),
                          hint=_('run "hg resolve --all" to resolve'))