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C/C++

C or C++ : Switch missing default

Classification

CWE
CWE-478

Overview

A switch statement missing default label.

The use of default label can aid in avioding mistakes and can be used for the following reasons:

  • Perform some action if the variable has unexpected value.
  • Handle default cases, while special ones are handled under case labels.
  • The one reading the code can crearly see that all cases are covered.

References

  1. CWE-478: Missing Default Case in Switch Statement
LOW

DerScanner Severity Score

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See also

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C or C++ : Dead store

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C or C++ : Use after free

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C or C++ : va_list uninitialized