Parenthesize all parameter names in macro definitions. See also recommendations PRE00-C. Prefer inline or static functions to function-like macros and PRE02-C. Macro replacement lists should be parenthesized.
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#define JOIN(a, b) (a ## b) #define SHOW(a) printf(#a " = %d\n", a) |
See recommendation PRE05-C. Understand macro replacement when concatenating tokens or performing stringification for more information on using the ## operator to concatenate tokens.
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| Tool | Version | Checker | Description | ||||||
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| 78 S | Fully Implemented | |||||||
| macrbody | Fully Implemented |
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Related Vulnerabilities
Search for vulnerabilities resulting from the violation of this rule on the CERT website.
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CERT C++ Secure Coding Standard: PRE01-CPP. Use parentheses within macros around parameter names
ISO/IEC 9899:19992011 Section 6.10, "Preprocessing directives," and Section 5.1.1, "Translation environment"
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