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Creating a universal character name through token concatenation results in undefined behavior.
Rule | Severity | Likelihood | Remediation Cost | Priority | Level |
|---|---|---|---|---|---|
PRE30-C | Low | Unlikely | Medium | P2 | L3 |
Automated Detection
Tool | Version | Checker | Description | ||||||
|---|---|---|---|---|---|---|---|---|---|
| CodeSonar |
| LANG.PREPROC.PASTE LANG.PREPROC.PASTEHASH | Macro uses ## operator## follows # operator | ||||||
| LDRA tool suite |
| 573 S | Fully implemented |
| R2018a | Universal character name from token concatenation | You create a universal character name by joining tokens with ## operator |
Related Vulnerabilities
Search for vulnerabilities resulting from the violation of this rule on the CERT website.
Bibliography
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