Synopsis

(Required) Narrow and wide string literals shall not be concatenated.

Enabled by default

Yes

Severity/Certainty

Medium/Medium

Full description

String literals with different suffixes concatenated. This check is identical to MISRAC++2023-5.13.7.

Coding standards

Code examples

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

void example() {
  const char* s = u8"Hello" "World";
}

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

void example() {
  const char * s = u8"Hello" u8"World";
}