as much as possible:
* dtable.cc: Drop including sys/socket.h.
* fhandler_procnet.cc: Change includes accordingly.
* fhandler_socket.cc: Ditto.
(fhandler_socket::listen): Avoid gcc error message initializing sin6.
(LPFN_WSARECVMSG): Only define when building against w32api headers.
* net.cc: Change includes accordingly. Define USE_SYS_TYPES_FD_SET
and __WSA_ERR_MACROS_DEFINED. Define _INC_NETIOAPI temporarily and
explain why.
(struct _IP_ADAPTER_UNICAST_ADDRESS_LH): Only define when building
against w32api headers.
(struct _IP_ADAPTER_ADDRESSES_LH): Ditto.
(SIO_GET_INTERFACE_LIST): Ditto.
(ws_freeaddrinfo): Rename from freeaddrinfo so as not to collide with
Winsock declaration. Change througout.
(ws_getaddrinfo): Ditto.
(ws_getnameinfo): Ditto.
* select.cc: Include netdb.h after defining USE_SYS_TYPES_FD_SET.
* syslog.cc: Drop including netinet/in.h. Define USE_SYS_TYPES_FD_SET
and include ws2tcpip.h.
* include/netdb.h (struct addrinfo): Don't define when building Cygwin.
* include/cygwin/if.h: Don't declare if_xxx functions when building
Cygwin.
* include/cygwin/in.h: Disable most definitions when building Cygwin.
* include/cygwin/socket.h: Disable sockaddr and sockaddr_storage
definitions when building Cygwin. Same for MCAST_INCLUDE/MCAST_EXCLUDE.
* libc/inet_addr.c: Don't define __INSIDE_CYGWIN__ nor
__INSIDE_CYGWIN_NET__.
* libc/inet_network.c: Ditto.
* libc/minires.h: Drop redundant inclusion of netdb.h. Define
__INSIDE_CYGWIN_NET__ only before including netdb.h and resolver
headers.
(SendARP): Define.
* cygwin.din: Export if_freenameindex, if_indextoname, if_nameindex and
if_nametoindex.
* fhandler_procnet.cc: Drop including wchar.h. Drop definitions of
GAA_FLAG_INCLUDE_ALL_INTERFACES, IP_ADAPTER_UNICAST_ADDRESS_VISTA.
(fhandler_procnet::exists): Check for has_gaa_prefixes. Call
get_adapters_addresses here.
(fhandler_procnet::readdir): Ditto.
(prefix): Move to net.cc.
(fhandler_procnet::fill_filebuf): Call get_adapters_addresses here.
Simplify allocation. Use AdapterName rather than FriendlyName as
interface name. Use IfIndex if available, Ipv6IfIndex otherwise.
(in6_are_prefix_equal): Move to net.cc.
* fhandler_socket.cc: Define old SIOCGxxx values.
(CONV_OLD_TO_NEW_SIO): Convert old SIOCGxxx value to new one.
(struct __old_ifreq): Define old struct ifreq.
(fhandler_socket::ioctl): Handle old SIOCGxxx values. Handle new
SIOCGIFFRNDLYNAM command. Simplify copying ifreq data to user space.
Call get_ifconf with additional SOCKET parameter.
* net.cc (IP_ADAPTER_UNICAST_ADDRESS_LH): Define.
(IP_ADAPTER_ADDRESSES_LH): Define.
(SIO_GET_INTERFACE_LIST): Define.
(sockaddr_in6_old): Define.
(sockaddr_gen): Define.
(INTERFACE_INFO): Define.
(IN_LOOPBACK): Define.
(in_are_prefix_equal): New static function.
(ip_addr_prefix): New function, replaces prefix function, add AF_INET
handling.
(GAA_FLAG_INCLUDE_ALL_INTERFACES): Define.
(get_adapters_addresses): New function.
(WS_IFF_xxx): Define Winsock interface flag values.
(convert_ifr_flags): New function to convert Winsock interface flag
values to Cygwin interface flag values.
(get_xp_ifconf): New get_ifconf implementation for XP SP1 and above.
(get_2k_ifconf): Fix interface index. Fix formatting.
(get_nt_ifconf): Fix formatting.
(get_95_ifconf): Ditto.
(get_ifconf): Take additional SOCKET parameter. Call get_xp_ifconf
on XP SP1 and above.
(if_nametoindex): New function.
(if_indextoname): New function.
(if_nameindex): New function.
(if_freenameindex): New function.
(in6_are_prefix_equal): Moved here from fhandler_procnet.cc.
* wincap.cc (wincap_xp): Define has_gaa_prefixes as true by default.
(wincapc::init): Assume has_osversioninfoex by default. Call
GetVersionEx with OSVERSIONINFOEX first. Call with OSVERSIONINFO only
if that fails. Simplify NT4 case and try to avoid strcmp. Check XP
Service Pack using version.wServicePackMajor to avoid strcmp.
* include/asm/socket.h (SIOCGIFFRNDLYNAM): Define.
* include/cygwin/if.h: Fix formatting.
(IFF_POINTTOPOINT): Define.
(IFF_NOARP): Define.
(IFF_LOWER_UP): Define.
(IFF_DORMANT): Define.
(struct if_nameindex): Define.
(IFRF_FRIENDLYNAMESIZ): Define.
(struct ifreq_frndlyname): Define.
(IFNAMSIZ): Redefine as 44.
(IF_NAMESIZE): Define.
(struct ifreq): Redefine ifru_flags as int. Define ifru_data. Pad size
to sizeof sockaddr_in6 for further extensions.
(ifr_data): Define.
(ifr_frndlyname): Define.
(if_nametoindex): Declare.
(if_indextoname): Declare.
(if_nameindex): Declare.
(if_freenameindex): Declare.
* include/cygwin/version.h: Bump API minor number.
(CYGWIN_VERSION_CHECK_FOR_OLD_IFREQ): Define check for old vs. new
ifreq structure.
* net.cc (get_2k_ifconf): Ditto.
(get_nt_ifconf): Fake SIOCGIFINDEX.
(get_95_ifconf): Ditto.
(get_ifconf): Handle SIOCGIFINDEX. Fake it for loopback on systems
not supporting IP Helper Lib.
* include/asm/socket.h (SIOCGIFINDEX): Define.
* include/cygwin/if.h (struct ifreq): Add member for interface index.
(ifr_ifindex): Define.
Add LoadDLLfuncEx statements for GetIfTable@12 and GetIpAddrTable@12.
* fhandler_socket.cc (fhandler_socket::ioctl): Move variable
definitions to the beginning of the function to allow better debugging.
Add handling for SIOCGIFHWADDR, SIOCGIFMETRIC and SIOCGIFMTU.
* net.cc: Include iphlpapi.h.
(get_2k_ifconf): Rewritten. Uses IP Helper API now.
(get_nt_ifconf): Add handling for SIOCGIFHWADDR, SIOCGIFMETRIC
and SIOCGIFMTU.
(get_95_ifconf): Ditto. Renamed from `get_9x_ifconf'.
(get_ifconf): Name loopback `lo' instead of `lo0' as in Linux.
Add handling for SIOCGIFHWADDR, SIOCGIFMETRIC and SIOCGIFMTU.
Call `get_95_ifconf' only on Windows 95, `get_nt_ifconf' only
on Windows NT < Service Pack 3, `get_2k_ifconf otherwise.
* include/asm/socket.h: Add defines for SIOCGIFHWADDR, SIOCGIFMETRIC
and SIOCGIFMTU.
* include/cygwin/if.h: Add `ifr_hwaddr', `ifr_metric' and `ifr_mtu'.
(struct ifreq): Add `ifru_hwaddr'.
