Synopsis

(Advisory) Identifiers that define objects or functions with internal linkage should be unique.

Enabled by default

No

Severity/Certainty

Low/Medium

Full description

An internal identifier name was found that is not unique.

This is a link analysis check.

Coding standards

Code examples

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

static int x;

void example(void) {
  int x;
}

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

static int x;
void example(void) {
  int y;
}