C

C programming language

Unit testing C code

C Secure Software Development

Writing unit tests is considered a good development habit for numerous reasons. Indeed, unit tests guarantee that the code works as expected, and they prevent developers from accidentally breaking things. Finally, they allow to see how the program is improving with each new commit, and they can be used as documentation to show how the program should be used by others. In this blog post, we show a simple way to implement unit tests when you are writing C code.

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Python or C or Python+C ?

Python C

We present a discussion on the use of the C and the Python languages and the use of Python calling a C library. Some arguments are general while others arise from the specific application of modifying a .csv (text) file.

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Calling C from Python

Python C

Whatever the reason you would like to call C functions from Python, one approach is presented here and consists in creating a C dynamic library, compiled as a .so module and accessing the library thanks to the ctypes package of Python. Explanations are given step by step and stand for a Linux environment (tested with Ubuntu20.04).

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Creating a dynamic library in C

C

C libraries are handy for distribution of programming work or for structuring a large development into units. In the specific case of Python programming, a C dynamic library can be a solution for a missing Python equivalent or if performance in execution time is a concern. We explain hereunder with an example the steps necessary to write a dynamic (shared) C library in Linux (tested on Ubuntu20.04). Another blog describes how to call a C dynamic library from Python ([https://cylab.be/blog/235/calling-c-from-python]).

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