Synopsis

(Required) The macro offsetof in the stddef.h library shall not be used.

Enabled by default

Yes

Severity/Certainty

Low/Medium

Full description

Detected use of the built-in function offsetof. This check is identical to MISRAC++2008-18-2-1, MISRAC++2023-21.2.4.

Coding standards

Code examples

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

#include <stddef.h>

struct stat {
  int st_size;
};

int example(void) {
  return offsetof(struct stat, st_size);
}

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

void example(void) {
}