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fix potential crashes by checking nullptr

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This commit is contained in:
Daniel Larimer 2013-09-01 19:45:15 -04:00
parent b615522217
commit 9066e46b1b
1 changed files with 2 additions and 2 deletions
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4
include/fc/thread/future.hpp
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@ -195,7 +195,7 @@ namespace fc {
/// @pre valid() /// @pre valid()
bool error()const { return m_prom->error(); } bool error()const { return m_prom->error(); }
void cancel()const { m_prom->cancel(); } void cancel()const { if( m_prom ) m_prom->cancel(); }
bool canceled()const { return m_prom->canceled(); } bool canceled()const { return m_prom->canceled(); }
/** /**
@ -244,7 +244,7 @@ namespace fc {
/// @pre valid() /// @pre valid()
bool error()const { return m_prom->error(); } bool error()const { return m_prom->error(); }
void cancel()const { m_prom->cancel(); } void cancel()const { if( m_prom ) m_prom->cancel(); }
template<typename CompletionHandler> template<typename CompletionHandler>
void on_complete( CompletionHandler&& c ) { void on_complete( CompletionHandler&& c ) {