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If the programmer's intent is not to remove an existing destination file, the POSIX access() function can be used to check for the existence of a file [Open Group 2004IEEE Std 1003.1:2013]. This compliant solution renames the source file only if the destination file does not exist:
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Recommendation | Severity | Likelihood | Remediation Cost | Priority | Level |
|---|---|---|---|---|---|
FIO10-C | mediumMedium | probableProbable | mediumMedium | P8 | L2 |
Automated Detection
Tool | Version | Checker | Description | ||||||
|---|---|---|---|---|---|---|---|---|---|
| PRQA QA-C |
| Warncall warncall -wc rename | Partially implemented |
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Bibliography
| [IEEE Std 1003.1:2013] | XSH, System Interfaces, access | |||
| [MSDN] | rename | MSDN]rename() | [Open Group 2004] | access() |
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