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Georgy Komarov 16e8016259 misra.py: Fix R21.1 FalsePositive on standard functions and errno (#2339) 
Rule 21.1 now doesn't report errors on usage of library functions
started from underscore (e.g. `_exit') and valid errno assignment.

See added tests for examples.
 		2019-11-08 17:20:37 +01:00
..
doc Addons: Add README (#2047) 2019-07-28 07:51:03 +02:00
test misra.py: Fix R21.1 FalsePositive on standard functions and errno (#2339) 2019-11-08 17:20:37 +01:00
README.md addons: fixup image in README (#2277) 2019-10-17 07:08:10 +02:00
ROS_naming.json Feature/ros naming check (#1511) 2019-01-09 18:16:51 +01:00
__init__.py misra.py: Fix up and improve load rules parser. (#1895) 2019-06-17 21:17:29 +02:00
cert.py pylintrc_travis: Enable more messages and fix issues (#2332) 2019-11-05 21:05:43 +01:00
cppcheckdata.doxyfile
…
cppcheckdata.py Add MISRA checks for rules 21.1 and 21.12 (#2284) 2019-10-26 08:32:46 +02:00
findcasts.py addons: /reportErrorCli/reportError/ 2019-04-14 08:54:53 +02:00
misc.py make ellipsis ... a single token (#2143) 2019-09-04 08:07:30 +02:00
misra.py misra.py: Fix R21.1 FalsePositive on standard functions and errno (#2339) 2019-11-08 17:20:37 +01:00
naming.json Feature/ros naming check (#1511) 2019-01-09 18:16:51 +01:00
naming.py addons: /reportErrorCli/reportError/ 2019-04-14 08:54:53 +02:00
namingng.py addons/namingng.py: Fixed typos, no functional changes intended. 2019-03-26 15:21:49 +01:00
threadsafety.py addons: /reportErrorCli/reportError/ 2019-04-14 08:54:53 +02:00
y2038.py Update addons structure. Make Y2038 addon works. (#2024) 2019-07-26 06:38:03 +02:00

README.md

Cppcheck addons

Addons are scripts that analyses Cppcheck dump files to check compatibility with secure coding standards and to locate various issues.

Supported addons

  • cert.py Checks for compliance with the safe programming standard CERT.
  • misra.py Used to verify compliance with MISRA C 2012 - a proprietary set of guidelines to avoid such questionable code, developed for embedded systems. Since this standard is proprietary, cppcheck does not display error text by specifying only the number of violated rules (for example, [c2012-21.3]). If you want to display full texts for violated rules, you will need to create a text file containing MISRA rules, which you will have to pass when calling the script with --rule-texts key. Some examples of rule texts files available in tests directory.
  • y2038.py Checks Linux system for year 2038 problem safety. This required modified environment. See complete description here.
  • threadsafety.py Analyse Cppcheck dump files to locate threadsafety issues like static local objects used by multiple threads.

Usage

Command line interface

cppcheck --addon=cert --addon=y2038 src/test.c

It is also possible to call scripts as follows:

cppcheck --dump --quiet src/test.c
python cert.py src/test.c.dump
python misra.py --rules-texts=~/misra_rules.txt src/test.c.dump

This allows you to add additional parameters when calling the script (for example, --rule-tests for misra.py). The full list of available parameters can be found by calling any script with the --help flag.

GUI

When using the graphical interface cppcheck-gui, the selection and configuration of addons is carried out on the tab Addons and tools in the project settings (Edit Project File):

Screenshot