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This compliant solution follows the guidance of PRE00-C. Prefer inline or static functions to function-like macros by defining an inline function iabs() to replace the ABS() macro. Unlike the ABS() macro, which operates on operands of any type, the iabs() function will truncate arguments of types wider than int whose value is not in range of the latter type.
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Search for vulnerabilities resulting from the violation of this rule on the CERT website.
Related Guidelines
Key here (explains table format and definitions)
Taxonomy | Taxonomy item | Relationship | |
|---|---|---|---|
| CERT C | Coding StandardPRE00-C. Prefer inline or static functions to function-like macros | Prior to 2018-01-12: CERT: Unspecified Relationship | |
| CERT C | PRE12-C. Do not define unsafe macros | Prior to 2018-01-12: CERT: Unspecified Relationship | |
| CERT C | MSC14-C. Do not introduce unnecessary platform dependencies | Prior to 2018-01-12: CERT: Unspecified Relationship | |
| CERT C | DCL37-C. Do not declare or define a reserved identifier | Prior to 2018-01-12: CERT: Unspecified Relationship | |
| CERT CSEI CERT C++ Coding Standard | PRE31-CPP. Avoid side-effects in arguments to unsafe macros | Prior to 2018-01-12: CERT: Unspecified Relationship | |
| CERT Oracle Secure Coding Standard for Java | EXP06-J. Expressions used in assertions must not produce side effects | Prior to 2018-01-12: CERT: Unspecified Relationship | |
| ISO/IEC TR 24772:2013 | Pre-processor Directives [NMP] | Prior to 2018-01-12: CERT: Unspecified Relationship | |
| MISRA C:2012 | Rule 20.5 (advisory) | Prior to 2018-01-12: CERT: Unspecified Relationship |
Bibliography
| [Dewhurst 2002] | Gotcha #28, "Side Effects in Assertions" |
| [ISO/IEC 9899:2011] | Subclause 6.5.1.1, "Generic Selection" |
| [Plum 1985] | Rule 1-11 |
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