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Posts: #Cpp

Posts: # Cpp

11 Jan 2010
Peculiarities of virtual functions
Andrey Karpov
I decided to describe one thing related to virtual functions because I am afraid I can forget it and return to this question once again later...
...
21 Déc 2009
Why A + B != A - (-B)
Andrey Karpov
While developing Viva64 analyzer intended for detecting 64-bit errors, I sometimes encounter interesting ways of code behavior. I would like to show you one example that is not very...
...
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10 Déc 2009
Issues in real programs - what errors are not there in the world...
Andrey Karpov
When testing the analyzer PVS-Studio on one of the projects we found an interesting error. This error does not refer to the topic of 64-bits although its consequences are diagnosed as...
...
03 Déc 2009
64-bit code issues in real programs: pointer type change
Andrey Karpov
Explicit type conversions often mask errors related to a change of a pointer type. One of such errors is casting of a pointer to 32-bit objects into a pointer to 64-bit...
...
19 Nov 2009
A nice 64-bit error in C
Andrey Karpov
In C language, you may use functions without defining them. Pay attention that I speak about C language, not C++. Of course, this ability is very dangerous. Let us have a look at an...
...
08 Nov 2009
Interview with Anatoliy Kuznetsov, the author of BitMagic C++ library
Andrey Karpov
In this article, Anatoliy Kuznetsov answers the questions and tells us about the open BitMagic C++...
...
25 Sep 2009
64-bit Loki
Andrei Alexandrescu, Andrey Karpov, Evgenii Ryzhkov, Peter Kummel, Rich Sposato
The article is a report about testing of portability of Loki library with 64-bit systems with the help of Viva64 code analyzer performed by OOO "Program Verification Systems" Company. It...
...
21 Sep 2009
About size_t and ptrdiff_t
Andrey Karpov
The article explains what size_t and ptrdiff_t types are, their purpose, and when to use them. The following information is especially valuable for developers starting to create 64-bit...
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15 Sep 2009
Issues of 64-bit code in real programs: virtual functions
Andrey Karpov
We have already written in our articles about one of the problems of code migration to 64-bit systems relating to incorrect overload of virtual functions. For example, our article "20 issues...
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07 Sep 2009
Magic constants and malloc() function
Andrey Karpov
Once again I would like to discuss the issue of using magic constants in code. We can eternally repeat that one should use sizeof() operator for correct calculation of the size of memory...
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