allocation_failure_check();
ok(hname.ptr && bytestring_eq(hname, bytestring_from_string(name)),
- "Header name \"%.*s\"", hname.len, hname.ptr);
+ "Header name \"%.*s\"", (int)hname.len, hname.ptr);
hvalue = rfc822_header_raw_value(msg, h);
allocation_failure_check();