fix:lwip_imp:fix the __lwip_sendto function, which will modify the user's data
@@ -108,6 +108,7 @@ static int __lwip_sendto(int fd, void *msg, int len, int flag, struct sockaddr *
memcpy(addr,buf,2);
ret = lwip_sendto(fd,msg,len,flag,addr,addrlen);
+ memcpy(addr,&family,2); ///< recover the addr--we should not modify the user's information
return ret;
}
