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Automated detection of narrowing conversions on integral types is straightforward. Determining whether such conversions correctly reflect the intent of the programmer is infeasible in the general case. Heuristic warnings could be useful.
| Tool | Version | Checker | Description |
|---|---|---|---|
| Parasoft Jtest | 9.5 | PB.NUM.CLP | Implemented |
Related Guidelines
INT31-C. Ensure that integer conversions do not result in lost or misinterpreted data | |
Numeric Conversion Errors [FLC] | |
CWE-681, Incorrect Conversion between Numeric Types |
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