Are there any open-source or free tools out there, that check the MISRA C compliance?
Free tools to check compliance with MISRA C?
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Cppcheck (free and open source) has an official addon allowing to check MISRA-C 2012 rules.
The way to do so:
- cppcheck --dump file.c
- python misra.py file.c.dump
You can simply find misra.py in your Cppcheck installation or here: https://github.com/danmar/cppcheck/blob/master/addons/misra.py
Relatively speaking, PC-Lint is virtually free when compared to full-blown static analysis tools with MISRA compliance checks. Furthermore, I have found that PC-Lint does a better job of reporting than those expensive (i.e. >$20,000) tools.