child_si->peername = sockaddr_dup(my_addr, len);
if (addr != NULL && addrlen != NULL) {
- *addrlen = len;
- if (*addrlen >= len)
- memcpy(addr, my_addr, len);
- *addrlen = 0;
+ size_t copy_len = MIN(*addrlen, len);
+ if (copy_len > 0) {
+ memcpy(addr, my_addr, copy_len);
+ }
+ *addrlen = len;
}
ret = real_getsockname(fd, (struct sockaddr *)(void *)&un_my_addr,