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C++
Posts: articles
Feb 21 2022
MuditaOS: Will your alarm clock go off? Part II
Vladislav Stolyarov
This is the second part in a series of articles checking the MuditaOS operating system. In this article, we cover the bottlenecks of the project that are worth refactoring. The PVS-Studio static analyzer and its optimization warnings will help us with this.
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Feb 18 2022
How PVS-Studio prevents rash code changes, example N4
Andrey Karpov
If you regularly use a static code analyzer, you can save time on guessing why the new code doesn't work as planned. Let's look at another interesting error — the function broke during refactoring, and no one noticed that. No one — except for PVS-Studio that can...
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Feb 16 2022
How PVS-Studio prevents rash code changes, example N3
Andrey Karpov
Let's continue with a series of small notes illustrating the PVS-Studio's ability to quickly find new errors in the code. If the analyzer is regularly used, of course :). Today we have another bug in the Blender project.
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Feb 16 2022
A bug report's adventure
Mikhail Gelvih
We are often asked whether we send bug reports to developers of open-source projects. The answer is yes. More than that— we sometimes track the progress. This article is about one of the cases when this habit prevented a sloppy bug fix.
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Feb 10 2022
An example of undefined behavior caused by absence of return
Andrey Karpov
This article contains a very interesting example. The absence of the return statement in a value-returning function leads to undefined behavior. It's a perfect example of how wrong code can crash one day, even though it could work for many years.
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Feb 07 2022
What memory release strategy does the PVS-Studio C and C++ core use?
Andrey Karpov
In various discussions, we have already commented on how the PVS-Studio C and C++ module works with memory. Now it's time to make a small article from this comment.
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Feb 01 2022
MuditaOS: Will your alarm clock go off? Part I
Vladislav Stolyarov
Operating systems are a kind of software where code quality is critical. This time the PVS-Studio analyzer checked MuditaOS. So let's take a look at what the static analyzer found in this open-source OS.
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Jan 28 2022
PVS-Studio for Visual Studio 2022
Valery Komarov
The PVS-Studio team writes articles on various topics. But we rarely make articles on how to interact with the analyzer. Let's fix it with an article about the PVS-Studio plugin for the Visual Studio 2022 environment.
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Jan 18 2022
How PVS-Studio prevents rash code changes, example N2
Andrey Karpov
When developers do make mistakes, it's often accidental or because the developers are in a hurry. These errors often make their way into small edits to the code. Let's review one of these cases: a developer fixes an error and introduces a new one simultaneously.
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Design and evolution of constexpr in C++
Guest
constexpr is one of the magic keywords in modern C++. You can use it to create code, that is then executed before the compilation process ends. This is the absolute upper limit for software performance.
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