DEFER

1. Macro for GCC 13, 14 uses Jens Gusted macro
   1. How far into the past versions this works I did not checked
   2. see defer_gcc.h for simpple usage
   3. 2025Q4, I am not 100% sure if that will be the final official defer
   4. Makefile is for Linux cli only
   5. defer is being standardized as Technical Specification TS 25755 for potential inclusion in C2y (the next C standard, likely 2029).
2. for MSVC (aka CL) macro uses Win32 Structured Exception Handling (SEH)
   1. see msvc_defer_we_preffer.h
   2. You need to be on win32 cli to use this
   3. The rest of win32 requirements code buidling on Win machine, I am sure you know.

Summary

Basicaly not ideal. But simple and working defer. Making your C23 code safer. Right now. Even MSVC code.

Enjoy!

[email protected] , CC BY SA 4.0