2022-07-11 13:33:51 +08:00

51 lines
1.9 KiB
C

#ifndef __XAMARIN_GETIFADDRS_H
#include "monodroid.h"
#ifdef __cplusplus
extern "C" {
#endif
/* We're implementing getifaddrs behavior, this is the structure we use. It is exactly the same as
* struct ifaddrs defined in ifaddrs.h but since bionics doesn't have it we need to mirror it here.
*/
struct _monodroid_ifaddrs
{
struct _monodroid_ifaddrs *ifa_next; /* Pointer to the next structure. */
char *ifa_name; /* Name of this network interface. */
unsigned int ifa_flags; /* Flags as from SIOCGIFFLAGS 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; /* Broadcast address of this interface. */
struct sockaddr *ifu_dstaddr; /* Point-to-point destination address. */
} ifa_ifu;
/* These very same macros are defined by <net/if.h> for `struct ifaddr'.
So if they are defined already, the existing definitions will be fine. */
# ifndef _monodroid_ifa_broadaddr
# define _monodroid_ifa_broadaddr ifa_ifu.ifu_broadaddr
# endif
# ifndef _monodroid_ifa_dstaddr
# define _monodroid_ifa_dstaddr ifa_ifu.ifu_dstaddr
# endif
void *ifa_data; /* Address-specific data (may be unused). */
};
void _monodroid_getifaddrs_init(void);
MONO_API int _monodroid_getifaddrs(struct _monodroid_ifaddrs **ifap);
MONO_API void _monodroid_freeifaddrs(struct _monodroid_ifaddrs *ifa);
#ifdef __cplusplus
}
#endif
#endif