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| Code Block | ||||
|---|---|---|---|---|
| ||||
float calc_percentage(float value) {
return (float)(value * 0.1f);
}
void float_routine(void) {
float value = 99.0f;
long double percentage;
percentage = calc_percentage(value);
}
|
Forcing the range and precision inside the calcPercentage() function is a good way to fix the problem once without having to apply fixes in multiple locations (every time calcPercentage() is called).
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Failure to follow this guideline can lead to inconsistent results across different platforms.
Rule | Severity | Likelihood | Remediation Cost | Priority | Level |
|---|---|---|---|---|---|
FLP07-C | Low | Probable | Medium | P4 | L3 |
Automated Detection
Tool | Version | Checker | Description | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Axivion Bauhaus Suite |
| CertC-FLP07 |
Related Vulnerabilities
Search for vulnerabilities resulting from the violation of this rule on the CERT website.
Bibliography
| [ISO/IEC 9899:2011] | Subclause 6.8.6.4, "The return Statement"Annex F.6, "The return Statement" |
| [WG14/N1396] |
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