- p_realloc(&a->mailbox, str_len(user) + str_len(tmp) + 2);
- sprintf (a->mailbox, "%s@%s", NONULL (user), NONULL (tmp)); /* __SPRINTF_CHECKED__ */
+ p_realloc(&a->mailbox, m_strlen(user) + m_strlen(tmp) + 2);
+ sprintf(a->mailbox, "%s@%s", NONULL (user), NONULL (tmp));