| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* Copyright (C) 1999-2016 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | Contributed by Andreas Jaeger <aj@suse.de>. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include <stdio.h> |
| 20 | #include <stdlib.h> |
| 21 | #include <unistd.h> |
| 22 | #include <net/if.h> |
| 23 | #include <sys/socket.h> |
| 24 | #include <sys/ioctl.h> |
| 25 | |
| 26 | static inline struct ifreq * |
| 27 | __if_nextreq (struct ifreq *ifr) |
| 28 | { |
| 29 | #ifdef _HAVE_SA_LEN |
| 30 | if (ifr->ifr_addr.sa_len > sizeof ifr->ifr_addr) |
| 31 | return (struct ifreq *) ((char *) &ifr->ifr_addr + ifr->ifr_addr.sa_len); |
| 32 | #endif |
| 33 | return ifr + 1; |
| 34 | } |
| 35 | |
| 36 | extern void __ifreq (struct ifreq **ifreqs, int *num_ifs, int sockfd); |
| 37 | |
| 38 | |
| 39 | static inline void |
| 40 | __if_freereq (struct ifreq *ifreqs, int num_ifs) |
| 41 | { |
| 42 | free (ifreqs); |
| 43 | } |