diff options
Diffstat (limited to 'compat/ifaddrs.h')
| -rwxr-xr-x | compat/ifaddrs.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/compat/ifaddrs.h b/compat/ifaddrs.h new file mode 100755 index 0000000..a643c62 --- /dev/null +++ b/compat/ifaddrs.h @@ -0,0 +1,100 @@ +#include "config.h" +#ifndef HAVE_GETIFADDRS +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. + */ +#ifndef _IFADDRS_H +#define _IFADDRS_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include <sys/types.h> + +/* + * The `getifaddrs' function generates a linked list of these structures. + * Each element of the list describes one network interface. + */ +#if defined(_AIX) +struct ifaddrs_rsys { + struct ifaddrs_rsys *ifa_next; /* Pointer to the next structure. */ +#else +struct ifaddrs { + struct ifaddrs *ifa_next; /* Pointer to the next structure. */ +#endif + char *ifa_name; /* Name of this network interface. */ + uint64_t ifa_flags; /* Flags as from SIOCGLIFFLAGS ioctl. */ + struct sockaddr *ifa_addr; /* Network address of this interface. */ + struct sockaddr *ifa_netmask; /* Netmask of this interface. */ + union { + /* + * At most one of the following two is valid. If the + * IFF_BROADCAST bit is set in `ifa_flags', then + * `ifa_broadaddr' is valid. If the IFF_POINTOPOINT bit is + * set, then `ifa_dstaddr' is valid. It is never the case that + * both these bits are set at once. + */ + struct sockaddr *ifu_broadaddr; + struct sockaddr *ifu_dstaddr; + } ifa_ifu; + void *ifa_data; /* Address-specific data (may be unused). */ +/* + * This may have been defined in <net/if.h>. + */ +#ifndef ifa_broadaddr +#define ifa_broadaddr ifa_ifu.ifu_broadaddr /* broadcast address */ +#endif +#ifndef ifa_dstaddr +#define ifa_dstaddr ifa_ifu.ifu_dstaddr /* other end of p-to-p link */ +#endif +}; + +/* + * Create a linked list of `struct ifaddrs' structures, one for each + * network interface on the host machine. If successful, store the + * list in *ifap and return 0. On errors, return -1 and set `errno'. + * + * The storage returned in *ifap is allocated dynamically and can + * only be properly freed by passing it to `freeifaddrs'. + */ +#if defined(_AIX) +extern int getifaddrs(struct ifaddrs_rsys **); +#else +extern int getifaddrs(struct ifaddrs **); +#endif + +/* Reclaim the storage allocated by a previous `getifaddrs' call. */ +#if defined(_AIX) +extern void freeifaddrs(struct ifaddrs_rsys *); +#else +extern void freeifaddrs(struct ifaddrs *); +#endif + + +#ifdef __cplusplus +} +#endif + +#endif /* _IFADDRS_H */ +#endif /* HAVE_GETIFADDRS */ |