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__LINE__ is a predefined macro name that expands to an integer constant representing the presumed line number of the current source line within the current source file [ISO/IEC 9899:2011]. If the intention is to expand the __LINE__ macro, which is likely the case here, the following definition for JOIN() is noncompliant because the __LINE__ is not expanded, and the character array is subsequently named assertion_failed_at_line___LINE__:
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Search for vulnerabilities resulting from the violation of this rule on the CERT website.
Related Guidelines
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Bibliography
| [FSF 2005] | Section 3.4, "Stringification," and section 3.5, "Concatenation" |
|---|---|
| [ISO/IEC 9899:2011 |
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| ] | Section 6.10.3, "Macro |
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Replacement," section 6.10.3.2, "The # |
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Operator," section 6.10.3.3, "The ## |
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| Operator," section 6.10.3.4, "Rescanning and |
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| Further Replacement," and section 6.10.8, "Predefined |
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Bibliography
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| Macro Names" | |
| [Saks 2008] |