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/*
* getifaddrs definitions for CUPS.
*
* Copyright 2007-2018 by Apple Inc.
* Copyright 1997-2007 by Easy Software Products, all rights reserved.
*
* Licensed under Apache License v2.0. See the file "LICENSE" for more
* information.
*/
#ifndef _CUPS_GETIFADDRS_INTERNAL_H_
# define _CUPS_GETIFADDRS_INTERNAL_H_
/*
* Include necessary headers...
*/
# include "config.h"
# ifdef _WIN32
# define _WINSOCK_DEPRECATED_NO_WARNINGS 1
# include <io.h>
# include <winsock2.h>
# define CUPS_SOCAST (const char *)
# else
# include <unistd.h>
# include <fcntl.h>
# include <sys/socket.h>
# include <netinet/in.h>
# define CUPS_SOCAST
# endif /* _WIN32 */
# if defined(__APPLE__) && !defined(_SOCKLEN_T)
/*
* macOS 10.2.x does not define socklen_t, and in fact uses an int instead of
* unsigned type for length values...
*/
typedef int socklen_t;
# endif /* __APPLE__ && !_SOCKLEN_T */
# ifndef _WIN32
# include <net/if.h>
# include <resolv.h>
# ifdef HAVE_GETIFADDRS
# include <ifaddrs.h>
# else
# include <sys/ioctl.h>
# ifdef HAVE_SYS_SOCKIO_H
# include <sys/sockio.h>
# endif /* HAVE_SYS_SOCKIO_H */
# endif /* HAVE_GETIFADDRS */
# endif /* !_WIN32 */
/*
* C++ magic...
*/
# ifdef __cplusplus
extern "C" {
# endif /* __cplusplus */
/*
* Some OS's don't have getifaddrs() and freeifaddrs()...
*/
# if !defined(_WIN32) && !defined(HAVE_GETIFADDRS)
# ifdef ifa_dstaddr
# undef ifa_dstaddr
# endif /* ifa_dstaddr */
# ifndef ifr_netmask
# define ifr_netmask ifr_addr
# endif /* !ifr_netmask */
struct ifaddrs /**** Interface Structure ****/
{
struct ifaddrs *ifa_next; /* Next interface in list */
char *ifa_name; /* Name of interface */
unsigned int ifa_flags; /* Flags (up, point-to-point, etc.) */
struct sockaddr *ifa_addr, /* Network address */
*ifa_netmask; /* Address mask */
union
{
struct sockaddr *ifu_broadaddr; /* Broadcast address of this interface. */
struct sockaddr *ifu_dstaddr; /* Point-to-point destination address. */
} ifa_ifu;
void *ifa_data; /* Interface statistics */
};
# ifndef ifa_broadaddr
# define ifa_broadaddr ifa_ifu.ifu_broadaddr
# endif /* !ifa_broadaddr */
# ifndef ifa_dstaddr
# define ifa_dstaddr ifa_ifu.ifu_dstaddr
# endif /* !ifa_dstaddr */
extern int _cups_getifaddrs(struct ifaddrs **addrs) _CUPS_PRIVATE;
# define getifaddrs _cups_getifaddrs
extern void _cups_freeifaddrs(struct ifaddrs *addrs) _CUPS_PRIVATE;
# define freeifaddrs _cups_freeifaddrs
# endif /* !_WIN32 && !HAVE_GETIFADDRS */
/*
* C++ magic...
*/
# ifdef __cplusplus
}
# endif /* __cplusplus */
#endif /* !_CUPS_GETIFADDRS_INTERNAL_H_ */
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