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lastfm: use sink argument and fix possible usage of m_service after delete

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This commit is contained in:
Andrzej Rybczak
2015-05-23 19:33:20 +02:00
parent d54de65990
commit 20a4e486cc
3 changed files with 11 additions and 12 deletions
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1
NEWS
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@@ -5,6 +5,7 @@ ncmpcpp-0.6.5 (????-??-??)
* Searching in text fields now respects regular expression configuration.
* When numbering tracks in tag editor all the other track tags are discarded.
* Xiph tag DESCRIPTION is now rewritten as COMMENT when updating tags.
* Possible access of already freed memory when downloading artist info is fixed.
ncmpcpp-0.6.4 (2015-05-02)

2
src/actions.cpp
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@@ -2314,7 +2314,7 @@ void ShowArtistInfo::run()
if (!artist.empty())
{
myLastfm->queueJob(LastFm::ArtistInfo(artist, Config.lastfm_preferred_language));
myLastfm->queueJob(new LastFm::ArtistInfo(artist, Config.lastfm_preferred_language));
myLastfm->switchTo();
}
# endif // HAVE_CURL_CURL_H

12
src/lastfm.h
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@@ -51,17 +51,15 @@ struct Lastfm: Screen<NC::Scrollpad>, Tabbable
virtual bool isMergable() OVERRIDE { return true; }
template <typename ServiceT>
void queueJob(ServiceT &&service)
void queueJob(ServiceT *service)
{
typedef typename std::remove_reference<ServiceT>::type ServiceNoRef;
auto old_service = dynamic_cast<ServiceNoRef *>(m_service.get());
auto old_service = dynamic_cast<ServiceT *>(m_service.get());
// if the same service and arguments were used, leave old info
if (old_service != nullptr && *old_service == service)
if (old_service != nullptr && *old_service == *service)
return;
m_service = std::make_shared<ServiceNoRef>(std::forward<ServiceT>(service));
m_worker = boost::async(boost::launch::async, boost::bind(&LastFm::Service::fetch, m_service.get()));
m_service = std::shared_ptr<ServiceT>(service);
m_worker = boost::async(boost::launch::async, std::bind(&LastFm::Service::fetch, m_service));
w.clear();
w << "Fetching information...";