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fix assert for non-existing MIDI patch-names

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typename boost::detail::sp_member_access<T>::type boost::shared_ptr<T>::operator->() const [with T = MIDI::Name::ChannelNameSet; typename boost::detail::sp_member_access<T>::type = MIDI::Name::ChannelNameSet*]: Assertion `px != 0' failed.
This commit is contained in:
Robin Gareus
2013-12-30 16:24:27 +01:00
parent 7e857b2264
commit e281f5653c
1 changed files with 3 additions and 1 deletions
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4
libs/midi++2/midnam_patch.cc
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@@ -542,7 +542,9 @@ MasterDeviceNames::channel_name_set_by_device_mode_and_channel(const std::string
boost::shared_ptr<Patch>
MasterDeviceNames::find_patch(const std::string& mode, uint8_t channel, const PatchPrimaryKey& key)
{
return channel_name_set_by_device_mode_and_channel(mode, channel)->find_patch(key);
boost::shared_ptr<ChannelNameSet> cns = channel_name_set_by_device_mode_and_channel(mode, channel);
if (!cns) return boost::shared_ptr<Patch>();
return cns->find_patch(key);
}
boost::shared_ptr<ChannelNameSet>