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