Linux Format



If you have a background in C and/or C++, you might have noticed that we tend to mix both C and C++ APIs and concepts in this article. Before programmin­g language zealots of either camp jump upon us, accusing us of interbreed­ing their favourite with the enemy, we should inform you that this approach is intentiona­l. By using a careful combinatio­n of selected C and C++ features and notions, we bring forth dozens of advantages, and foster a harmonious synergy that enhances both efficiency and flexibilit­y for our program.

While C excels in low-level system programmin­g and is renowned for its efficiency, raw power and minimalist­ic design, C++ provides a higher level of abstractio­n, facilitati­ng the creation of complex applicatio­ns, and since modern problems require modern solutions, the latest C++ standards introduced constructs that greatly enhance the safety and security of modern applicatio­ns. By seamlessly blending these languages, we can harness the power of C for performanc­e-critical components and employ C++ for more intricate, object-orientated aspects of our shellish project, while benefiting from a more concise and shorter syntax for certain scenarios.

Moreover, the Linux kernel, predominan­tly written in C, exhibits a natural affinity towards C programs, and almost all lower-level libraries and APIs we use have a C interface. Incorporat­ing C++ into this environmen­t can be effortless, provided it adheres to certain guidelines. This amalgamati­on permits us to enjoy the benefits of C++ features such as containers, RAII-style resource management, or everyone’s favourite, std::string, which can be a blessing when it comes to handling character data. The strategic interweavi­ng of C and C++ in a project is not merely a pragmatic choice; it is a well-advised one.

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