Skip to main content

IAR Embedded Workbench for RH850 3.20.x

MISRAC++2023-9.4.2_e (C++ only)

In this section:
Synopsis

(Required) The structure of a switch statement shall be appropriate

Enabled by default

Yes

Severity/Certainty

Medium/High

mediumhigh.png
Full description

A switch statement without default statement or all values of an enumeraton listed.

Coding standards

This check does not correspond to any coding standard rules.

Code examples

The following code example fails the check and will give a warning:

int example(int x) {
  switch ( x ) // Non-compliant - no default
  {
    case 1:
      return 1;
    case 2:
      return 4;
  }
}

The following code example passes the check and will not give a warning about this issue:

int example(int x) {
  switch ( x )
  {
    case 1:
      return 1;
    case 2:
      return 4;
    default:
      return 0;
  }
}