V529. Odd semicolon ';' after 'if/for/while' operator.

The analyzer detected a potential error: a semicolon ';' stands after the 'if', 'for' or 'while' operator.

For example:

for (i = 0; i < n; i++);
{
  Foo(i);
}

This is the correct code:

for (i = 0; i < n; i++)
{
  Foo(i);
}

Using a semicolon ';' right after the for or while operator is not an error in itself and you may see it quite often in code. So the analyzer eliminates many cases relying on some additional factors. For instance, the following code sample is considered safe:

for (depth = 0, cur = parent; cur; depth++, cur = cur->parent)
  ;

According to Common Weakness Enumeration, potential errors found by using this diagnostic are classified as CWE-670.

You can look at examples of errors detected by the V0 diagnostic.


Bugs Found

Checked Projects
410
Collected Errors
14 111
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