SEI CERT C Coding Standard

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Tool

Version

Checker

Description

Compass/ROSE

 

 

Could detect violations of this recommendation by searching for the following pattern:

    • Any expression that calls two functions between the same sequence points
    • Those two functions both modify the value of a static variable
    • That static variable's value is referenced by code following the expression

Coverity

Include Page
Coverity_V
Coverity_V

EVALUATION_ORDER

Can detect the specific instance where a statement contains multiple side effects on the same value with an undefined evaluation order because the statement may behave differently with different compiler flags or different compilers or platforms.

LDRA tool suite

Include Page
LDRA_V
LDRA_V

35 D
72 D
74 D
1 Q
134 S

Fully implemented.

PRQA QA-C
Include Page
PRQA_V
PRQA_V
3226Partially implemented.

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CERT C++ Secure Coding StandardEXP10-CPP. Do not depend on the order of evaluation of subexpressions or the order in which side effects take place
ISO/IEC TR 24772Operator precedence/order of evaluation [JCW] and
Side-effects and order of evaluation [SAM]
MISRA-CRule 12.2 (required): The value of an expression shall be the same under any order of evaluation that the standard permits

Bibliography

[ISO/IEC 9899:2011]Section 6.5, "Expressions," Section 6.5.16, "Assignment Operators," Section 6.5.2.2, "Function Calls," and Section 6.7.9, "Initialization"

 

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