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Georgy Komarov 2c28440f15 cert.py: Add ENV33-C-EX1 exception (#2396) 
* cert.py: Add ENV33-C-EX1 exception

ENV33-C-EX1: It is permissible to call system() with a null pointer
argument to determine the presence of a command processor for the
system. [1]

[1]: https://wiki.sei.cmu.edu/confluence/pages/viewpage.action?pageId=87152177

* Handle different null-pointer constants
 		2019-11-24 10:31:08 +01:00
..
doc Addons: Add README (#2047) 2019-07-28 07:51:03 +02:00
test cert.py: Add ENV33-C-EX1 exception (#2396) 2019-11-24 10:31:08 +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 cert.py: Add ENV33-C-EX1 exception (#2396) 2019-11-24 10:31:08 +01:00
cppcheckdata.doxyfile Fix some typos in comments (found by codespell) 2016-11-27 11:40:42 +01:00
cppcheckdata.py addons: Clean up and clarify addons usage. (#2359) 2019-11-15 20:14:30 +01:00
findcasts.py addons: Change shebang to use Python 3 instead of Python 2 (#2361) 2019-11-15 21:38:20 +01:00
misc.py addons: Change shebang to use Python 3 instead of Python 2 (#2361) 2019-11-15 21:38:20 +01:00
misra.py Add check for MISRA-C 2012 Rule 2.7 and test cases. (#2340) 2019-11-18 06:56:30 +01:00
naming.json Feature/ros naming check (#1511) 2019-01-09 18:16:51 +01:00
naming.py Check for JSON error when parsing addon .json files + fixes (#2374) 2019-11-20 15:37:09 +01:00
namingng.py addons/namingng.py: Fix some PEP 8 and Inspections warnings (#2351) 2019-11-12 09:47:48 +01:00
threadsafety.py addons: Change shebang to use Python 3 instead of Python 2 (#2361) 2019-11-15 21:38:20 +01:00
y2038.py addons: Change shebang to use Python 3 instead of Python 2 (#2361) 2019-11-15 21:38:20 +01:00

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