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Application & OT Security · Advanced

MISRA C

A set of C language coding guidelines from the Motor Industry Software Reliability Association for safety- and security-critical embedded systems.

Definition

MISRA C restricts risky language features (for example dynamic memory allocation and unrestricted pointer arithmetic) to improve reliability, portability and security. It is widely used in automotive, medical and industrial embedded software and is enforced with static analysis tools.

Example

An automotive ECU supplier must demonstrate MISRA C:2023 compliance with a static analyzer.

Exam tip

Associate MISRA with embedded/safety-critical C and C++.

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