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Posts: #64bit

Posts: # 64bit

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#Cpp #64bit
Mar 09 2023
64-bit errors: LONG, LONG_PTR and blast from the past
Andrey Karpov
64-bit errors are a thing of the bygone days. Very few developers are porting code from a 32-bit to a 64-bit system these days. Those who needed it have already ported their programs. Those who...
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#64bit
Oct 15 2019
macOS 10.15 no longer supports 32-bit apps. What can you do?
Sergey Khrenov
On October 7, 2019, Apple released a new version of its Mac operating system, macOS Catalina. Version 10.15 contains many changes and improvements. One of the significant is the complete phasing...
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#Cpp #64bit #Security
Apr 19 2017
If the coding bug is banal, it doesn't mean it's not crucial
Andrey Karpov
Spreading the word about PVS-Studio static analyzer, we usually write articles for programmers. However, some things are seen by programmers quite one-sided. That is why there are project...
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#Cpp #Knowledge #64bit
Mar 22 2016
Detecting Overflows of 32-Bit Variables in Long Loops in 64-Bit Programs
Andrey Karpov
One of the problems that 64-bit software developers have to face is overflows of 32-bit variables in very long loops. PVS-Studio code analyzer is very good at catching issues of this type (see...
...
#64bit
Dec 08 2015
Is it possible to run 64-bit applications in a 32-bit OS?
Andrey Karpov
Nowadays 64-bit operating systems are very widespread. But 32-bit OS are still present on the market, in quite obvious quantities. A lot of modern program tools are developed to be run only in...
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#64bit
Aug 03 2015
How to Port a 9 Million Code Line Project to 64 bits?
Evgenii Ryzhkov, Ilya Ivanov
Our team has recently finished porting one pretty large project (9 million code lines, 300 Mbytes of source files) to the 64-bit platform. It took us one year and a half. Although we are...
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#Cpp #64bit
May 21 2015
64-Bit Code in 2015: New in the Diagnostics of Possible Issues
Sergey Vasiliev
64-bit issues are pretty hard to detect because they are like a timebomb: it may take quite a while before they show up. The PVS-Studio static analyzer makes it easier to find and fix such...
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#Cpp #Knowledge #64bit
Apr 29 2014
C++11 and 64-bit Issues
Andrey Karpov
64-bit computers have been around for a long time already. Most applications have 64-bit versions that can benefit from a larger memory capacity and improved performance, thanks to the...
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#Cpp #64bit
Apr 05 2013
Can I use 32-bit pointers in a 64-bit application?
Andrey Karpov
At present, the Microsoft Visual C++ and GCC compilers do not allow you to use 32-bit pointers in 64-bit software created for processors based on x86-64 architecture. You can use 64-bit registers...
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#Cpp #64bit
Apr 05 2013
Working with the type size_t in the functions prinft, scanf and similar functions
Andrey Karpov
To work with size_t, ptrdiff_t, intptr_t and uintptr_t types in the functions like sscanf, printf you may use size specifiers. If you are developing a Windows-application, you may use the...
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