in plugin/server_audit/server_audit.cc [584:593]
static int cmp_users(const void *ia, const void *ib)
{
const struct user_name *a= (const struct user_name *) ia;
const struct user_name *b= (const struct user_name *) ib;
int dl= (int)(a->name_len - b->name_len);
if (dl != 0)
return dl;
return strncmp(a->name, b->name, a->name_len);
}