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This diagnostic rule is based on the software development guidelines developed by MISRA (Motor Industry Software Reliability Association).
This diagnostic rule is relevant only to C programs. The 'default' label should be either the first or the last label of a 'switch' statement. Following this rule makes the code clearer.
Here is an example of code triggering this warning:
void example_1(int cond)
{
switch (cond)
{
case 1:
DoSmth();
break;
default:
DoSmth2();
break;
case 3:
DoSmth3();
break;
}
}To eliminate the warning, rewrite the code. For example:
void example_1(int cond)
{
switch (cond)
{
case 1:
DoSmth();
break;
case 3:
DoSmth3();
break;
default:
DoSmth2();
break;
}
}This diagnostic is classified as:
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