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2018-12-11 Dmitriy Anisimkov <anisimko@adacore.com> gcc/ada/ * libgnat/g-socket.ads (Family_Type): Add new enumerated value Family_Unspec to be able to use it in Get_Address_Info parameter and find IPv4 together with IPv6 addresses. (Inet_Addr_Bytes_Length): Zero length for Family_Unspec. New IPv6 predefined constant addresses. (IPv4_To_IPv6_Prefix): IPv4 mapped to IPv6 address prefix. (Is_IPv4_Address): Rename from Is_IP_Address and published. (Is_IPv6_Address): New routine. (Image of Inet_Addr_Type): Fix description about IPv6 address text representation. (Level_Type): New propocol level IP_Protocol_For_IPv6_Level. (Add_Membership_V4): New socket option equal to Add_Membership. (Drop_Membership_V4): New socket option equal to Drop_Membership. (Multicast_If_V4): New socket option equal to Multicast_If. (Multicast_Loop_V4, Add_Membership_V6, Drop_Membership_V6, Multicast_If_V6, Multicast_Loop_V6, Multicast_Hops, IPv6_Only): New socket option for IPv6. (Address_Info): New record to keep address info. (Address_Info_Array): Array to keep address info records. (Get_Address_Info): Routine to get address info records by host and service names. (Host_Service): Record to keep host and service names. (Get_Name_Info): New routine to get host and service names by address. (Create_Socket): Add Level parameter, IP_Protocol_For_IP_Level default. (Name_Array, Inet_Addr_Array): Change array index to Positive. * libgnat/g-socket.adb (IPV6_Mreq): New record definition for IPv6. (Hex_To_Char): Remove. (Short_To_Network, Network_To_Short): Move to package GNAT.Sockets.Thin_Common. (Is_IP_Address): Remove. (To_In_Addr, To_Inet_Addr): Move to package GNAT.Sockets.Thin_Common. (Get_Socket_Option): Get value of Multicast_Loop option as integer boolean, process IPv6 options. Don't try to get Add_Membership_V4, Add_Membership_V6, Drop_Membership_V4, and Drop_Membership_V6 as not supported by the socket API. (Set_Socket_Option): Set value of Multicast_Loop option as integer boolean, process IPv6 options. * gsocket.h (IPV6_ADD_MEMBERSHIP): Define from IPV6_JOIN_GROUP if necessary for VxWorks. (IPV6_DROP_MEMBERSHIP): Define from IPV6_LEAVE_GROUP if necessary for VxWorks (HAVE_INET_NTOP): New definition. (HAVE_INET_PTON): Includes VxWorks now. * socket.c (__gnat_getaddrinfo, __gnat_getnameinfo, __gnat_freeaddrinfo, __gnat_gai_strerror, __gnat_inet_ntop): New routines. * libgnat/g-sothco.ads, libgnat/g-sothco.adb (socklen_t, In6_Addr, To_In6_Addr): New. (To_In_Addr, To_Inet_Addr): Move from package body GNAT.Sockets. (To_Inet_Addr): New overload with In6_Addr type parmeter. (In_Addr_Access_Array): Remove. (Sockaddr): Unchecked_Union instead of Sockaddr_In and old defined generic Sockaddr. (Set_Address): Use it to set family, port and address into Sockaddr. (Get_Address): New routine to get Socket_Addr_Type from Sockaddr. (Addrinfo): Structure to use with getaddrinfo. (C_Getaddrinfo, C_Freeaddrinfo, C_Getnameinfo, C_GAI_Strerror, Inet_Ntop): New routine import. (Short_To_Network, Network_To_Short): Move from package body GNAT.Sockets. * libgnat/g-stsifd__sockets.adb: Use Sockaddr instead of Sockaddr_In. * s-oscons-tmplt.c (AF_UNSPEC, EAI_SYSTEM, SOCK_RAW, IPPROTO_IPV6, IP_RECVERR, SIZEOF_socklen_t, IF_NAMESIZE): New constants. (AI_xxxx_OFFSET): Constants to consider platform differences in field positions and sizes for addrinfo structure. (AI_xxxxx): Flags for getaddrinfo. (NI_xxxxx): Flags for getnameinfo. (IPV6_xxxxx): Socket options for IPv6. (Inet_Ntop_Linkname): New routine. From-SVN: r267016
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