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However, the standard does not disallow jumping via goto or switch into loops that do not involve variably modified type identifiers. Consequently, loops and other blocks can be freely intermixed with switch statements. Unfortunately, this creates code that is, at best, confusing and unclear in what it does, which may can cause undesirable behavior.
The examples here fall under the exception MSC17-EX2 in recommendation MSC17-C. Finish every set of statements associated with a case label with a break statement.
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Recommendation | Severity | Likelihood | Remediation Cost | Priority | Level |
|---|---|---|---|---|---|
MSC20-C | medium | probable | medium | P8 | L2 |
Related Guidelines
CERT C++ Secure Coding Standard: MSC20-CPP. Do not use a switch statement to transfer control into a complex block
Bibliography
Wiki Markup
MISRA Rule 15.1
[
Tom Duff on Duff's Device|http://www.lysator.liu.se/c/duffs-device.html]Device
Bibliography
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49. Miscellaneous (MSC) MSC21-C. Use inequality to terminate a for loop