Software test tools add support for MISRA C: 2012
The VectorCAST software test environment is used in safety-critical applications that utilise the MISRA C standard, and the regulation is the most widely used set of coding guidelines for C language development. VectorCAST/Lint utilises the powerful Lint source code analysis engine from Gimpel Software, and is configured for checking the MISRA C standard. These standards recommend the use of a restricted subset of constructs for the C and C++ languages, with the goal being a safer and more maintainable use of the language. The VectorCAST/Lint tool supports MISRA regulations with these features:
- An easy-to-use GUI
- Support for MISRA C and C++
- Customisable reporting
Support for MISRA C: 2012 is part of Gimpel Software’s ongoing commitment to embedded development and safety critical applications. Support for the standard was originally included in PC-lint and FlexeLint in 2001 and since then has been expanded to include newer versions of MISRA C and support for MISRA C++. The implementation of MISRA C: 2012 allows fine-grained control on a per-rule basis. This allows organisations to not only selectively choose which rules are enforced, but also to easily specify exceptions to individual rules for specific symbols, functions, macros, and arbitrary code regions to reflect the deviations employed on a particular project.
MISRA C: 2012 includes a number of improvements that help reduce the cost and complexity of compliance, while offering enhancements that assist in the consistent and safe use of C in safety-critical systems. MISRA C: 2012 includes support for C99 — a version of the C language that was not widely implemented when MISRA C: 2004 (MISRA C2) was published — and adheres to guidelines for C90. Originally developed for automotive applications, MISRA is now broadly adopted for aerospace, defence, medical and industrial control applications. The latest MISRA C standard includes additional rules, plus a number of improvements that promote the understanding and use of the guidelines. Based on MISRA C2 user experience, they include:
- Clarifying ambiguity to ensure consistent interpretation of MISRA rules
- Categorising rules as either “mandatory”, “required” or “advisory”
- Defining “decidability” more exactly, and explaining the degree to which the enforcement of a rule is guaranteed
“Vector Software is deeply committed to our automotive customers, and furthering the MISRA organisation’s goal of promoting the safe use of the C development language”, said Bill McCaffrey, Chief Operating Officer, Vector Software.
Vector Software; www.vectorcast.com
Gimpel Software; has tools that carry out static [code] analysis, particularly “linting” tools; www.gimpel.com
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MISRA C:2012 ensures automotive software safety
MISRA C:2012 extends software reliability guidelines
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