Changed IPNetwork copy assignment implementation to copy-and-swap.
#1681
Conversation
…he internal network. This change fixes use of memory after being freed in case of self-assignment and provides a strong exception guarantee.
Codecov ReportAll modified and coverable lines are covered by tests ✅
Additional details and impacted files@@ Coverage Diff @@
## dev #1681 +/- ##
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- Coverage 83.16% 83.15% -0.01%
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Files 277 277
Lines 48201 48192 -9
Branches 9932 9941 +9
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- Hits 40086 40075 -11
+ Misses 7266 7242 -24
- Partials 849 875 +26
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Common++/header/IpAddress.h
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| m_IPv4Network = std::unique_ptr<IPv4Network>(new IPv4Network(other)); | ||
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| auto newNetwork = std::unique_ptr<IPv4Network>(new IPv4Network(other)); | ||
| m_IPv4Network = std::move(newNetwork); |
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I don't think it's necessary to use std::move here since a smart pointer is already cheap.
I would just use m_IPv4Network = std::unique_ptr<IPv4Network>(new IPv4Network(other)); for clearance.
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I guess the operations can be merged. Both should compile down to the same tho.
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@Dimi1010 I also think it will be the same after the compilation optimization. Then could you just merge the lines, so it looks cleaner?
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Should be good now.
This change fixes use of memory after being freed in case of self-assignment and provides a strong exception guarantee.