| /* |
| * Copyright 2018 The Fuchsia Authors. |
| * |
| * Permission to use, copy, modify, and/or distribute this software for any |
| * purpose with or without fee is hereby granted, provided that the above |
| * copyright notice and this permission notice appear in all copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| #include "utils.h" |
| |
| #include <stdio.h> |
| |
| #include "hw.h" |
| |
| void ethaddr_sprintf(char* str, const uint8_t* addr) { |
| bool first = true; |
| for (unsigned ndx = 0; ndx < ETH_ALEN; ndx++) { |
| str += sprintf(str, "%s%02X", first ? "" : ":", *addr); |
| addr++; |
| first = false; |
| } |
| } |
| |
| bool is_zero_ether_addr(const uint8_t* addr) { |
| for (size_t i = 0; i < ETH_ALEN; ++i) { |
| if (addr[i] != 0) { |
| return false; |
| } |
| } |
| return true; |
| } |