Jens Gustedt • 9/11/2024

Braiding the spaghetti: implementing defer in the preprocessor

This technical article discusses a proposal for adding a 'defer' mechanism to the C language, similar to features in other languages. It demonstrates how to implement this using preprocessor extensions and macro magic to automate resource cleanup (like memory deallocation and mutex unlocking), thereby eliminating error-prone goto-based patterns and improving code readability and maintainability.

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#c #macros #Resource Management