Synopsis

Do not declare or define a reserved identifier

Enabled by default

No

Severity/Certainty

Low/Low

Full description

Do not declare or define a reserved identifier -- Noisy

Coding standards

Code examples

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

#ifndef _MY_HEADER_H_
#define _MY_HEADER_H_

/* Contents of <my_header.h> */

#endif /* _MY_HEADER_H_ */

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

#ifndef MY_HEADER_H
#define MY_HEADER_H

/* Contents of <my_header.h> */

#endif /* MY_HEADER_H */