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fixed potential crash due to using deleted data (found by dimqua)

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This commit is contained in:
csoler 2016-03-23 18:23:10 -04:00
parent 1fb1f3ebaf
commit 57f4463864
1 changed files with 16 additions and 13 deletions
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29
libretroshare/src/gxs/rsgenexchange.cc
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@ -2976,26 +2976,29 @@ void RsGenExchange::performUpdateValidation()
delete gu.oldGrpMeta;
gu.oldGrpMeta = NULL ;
}
mDataStore->updateGroup(grps);
// notify the client
RsGxsGroupChange* c = new RsGxsGroupChange(RsGxsNotify::TYPE_RECEIVE, true);
for(uint32_t i=0;i<mGroupUpdates.size();++i)
if(mGroupUpdates[i].newGrp != NULL)
{
c->mGrpIdList.push_back(mGroupUpdates[i].newGrp->grpId) ;
#ifdef GEN_EXCH_DEBUG
std::cerr << " " << mGroupUpdates[i].newGrp->grpId << std::endl;
#endif
}
mNotifications.push_back(c);
// Warning: updateGroup will destroy the objects in grps. Dont use it afterwards!
mDataStore->updateGroup(grps);
#ifdef GEN_EXCH_DEBUG
std::cerr << " adding the following grp ids to notification: " << std::endl;
#endif
for(uint32_t i=0;i<mGroupUpdates.size();++i)
{
c->mGrpIdList.push_back(mGroupUpdates[i].newGrp->grpId) ;
#ifdef GEN_EXCH_DEBUG
std::cerr << " " << mGroupUpdates[i].newGrp->grpId << std::endl;
#endif
}
mNotifications.push_back(c);
// cleanup
mGroupUpdates.clear();