win: drop code checking for Windows XP / Server 2k3

Our minimum requirements are Windows 8 now.

docs/src/fs.rst

@@ -465,10 +465,6 @@ API
         The background story and some more details on these issues can be checked
         `here <https://github.com/nodejs/node/issues/7726>`_.
 
-    .. note::
-      This function is not implemented on Windows XP and Windows Server 2003.
-      On these systems, UV_ENOSYS is returned.
-
     .. versionadded:: 1.8.0
 
 .. c:function:: int uv_fs_chown(uv_loop_t* loop, uv_fs_t* req, const char* path, uv_uid_t uid, uv_gid_t gid, uv_fs_cb cb)

docs/src/guide/networking.rst

@@ -164,7 +164,7 @@ IPv6 stack only
 
 IPv6 sockets can be used for both IPv4 and IPv6 communication. If you want to
 restrict the socket to IPv6 only, pass the ``UV_UDP_IPV6ONLY`` flag to
-``uv_udp_bind`` [#]_.
+``uv_udp_bind``.
 
 Multicast
 ~~~~~~~~~
@@ -250,7 +250,6 @@ times, with each address being reported once.
 ----
 
 .. [#] https://beej.us/guide/bgnet/html/#broadcast-packetshello-world
-.. [#] on Windows only supported on Windows Vista and later.
 .. [#] https://www.tldp.org/HOWTO/Multicast-HOWTO-6.html#ss6.1
 .. [#] libuv use the system ``getaddrinfo`` in the libuv threadpool. libuv
     v0.8.0 and earlier also included c-ares_ as an alternative, but this has been

src/win/poll.c

@@ -425,9 +425,8 @@ int uv_poll_init_socket(uv_loop_t* loop, uv_poll_t* handle,
     return uv_translate_sys_error(WSAGetLastError());
 
 /* Try to obtain a base handle for the socket. This increases this chances that
- * we find an AFD handle and are able to use the fast poll mechanism. This will
+ * we find an AFD handle and are able to use the fast poll mechanism.
- * always fail on windows XP/2k3, since they don't support the. SIO_BASE_HANDLE
+ */
- * ioctl. */
 #ifndef NDEBUG
   base_socket = INVALID_SOCKET;
 #endif

src/win/tcp.c

@@ -1401,7 +1401,7 @@ static void uv__tcp_try_cancel_reqs(uv_tcp_t* tcp) {
                                                 uv_tcp_non_ifs_lsp_ipv4;
 
   /* If there are non-ifs LSPs then try to obtain a base handle for the socket.
-   * This will always fail on Windows XP/3k. */
+   */
   if (non_ifs_lsp) {
     DWORD bytes;
     if (WSAIoctl(socket,

src/win/util.c

@@ -686,37 +686,6 @@ int uv_cpu_info(uv_cpu_info_t** cpu_infos_ptr, int* cpu_count_ptr) {
 }
 
 
-static int is_windows_version_or_greater(DWORD os_major,
-                                         DWORD os_minor,
-                                         WORD service_pack_major,
-                                         WORD service_pack_minor) {
-  OSVERSIONINFOEX osvi;
-  DWORDLONG condition_mask = 0;
-  int op = VER_GREATER_EQUAL;
-
-  /* Initialize the OSVERSIONINFOEX structure. */
-  ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
-  osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
-  osvi.dwMajorVersion = os_major;
-  osvi.dwMinorVersion = os_minor;
-  osvi.wServicePackMajor = service_pack_major;
-  osvi.wServicePackMinor = service_pack_minor;
-
-  /* Initialize the condition mask. */
-  VER_SET_CONDITION(condition_mask, VER_MAJORVERSION, op);
-  VER_SET_CONDITION(condition_mask, VER_MINORVERSION, op);
-  VER_SET_CONDITION(condition_mask, VER_SERVICEPACKMAJOR, op);
-  VER_SET_CONDITION(condition_mask, VER_SERVICEPACKMINOR, op);
-
-  /* Perform the test. */
-  return (int) VerifyVersionInfo(
-    &osvi,
-    VER_MAJORVERSION | VER_MINORVERSION |
-    VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR,
-    condition_mask);
-}
-
-
 static int address_prefix_match(int family,
                                 struct sockaddr* address,
                                 struct sockaddr* prefix_address,
@@ -763,26 +732,13 @@ int uv_interface_addresses(uv_interface_address_t** addresses_ptr,
   uv_interface_address_t* uv_address;
 
   int count;
-
-  int is_vista_or_greater;
   ULONG flags;
 
   *addresses_ptr = NULL;
   *count_ptr = 0;
 
-  is_vista_or_greater = is_windows_version_or_greater(6, 0, 0, 0);
-  if (is_vista_or_greater) {
   flags = GAA_FLAG_SKIP_ANYCAST | GAA_FLAG_SKIP_MULTICAST |
     GAA_FLAG_SKIP_DNS_SERVER;
-  } else {
-    /* We need at least XP SP1. */
-    if (!is_windows_version_or_greater(5, 1, 1, 0))
-      return UV_ENOTSUP;
-
-    flags = GAA_FLAG_SKIP_ANYCAST | GAA_FLAG_SKIP_MULTICAST |
-      GAA_FLAG_SKIP_DNS_SERVER | GAA_FLAG_INCLUDE_PREFIX;
-  }
-
 
   /* Fetch the size of the adapters reported by windows, and then get the list
    * itself. */
@@ -946,37 +902,8 @@ int uv_interface_addresses(uv_interface_address_t** addresses_ptr,
 
       sa = unicast_address->Address.lpSockaddr;
 
-      /* XP has no OnLinkPrefixLength field. */
-      if (is_vista_or_greater) {
       prefix_len =
         ((IP_ADAPTER_UNICAST_ADDRESS_LH*) unicast_address)->OnLinkPrefixLength;
-      } else {
-        /* Prior to Windows Vista the FirstPrefix pointed to the list with
-         * single prefix for each IP address assigned to the adapter.
-         * Order of FirstPrefix does not match order of FirstUnicastAddress,
-         * so we need to find corresponding prefix.
-         */
-        IP_ADAPTER_PREFIX* prefix;
-        prefix_len = 0;
-
-        for (prefix = adapter->FirstPrefix; prefix; prefix = prefix->Next) {
-          /* We want the longest matching prefix. */
-          if (prefix->Address.lpSockaddr->sa_family != sa->sa_family ||
-              prefix->PrefixLength <= prefix_len)
-            continue;
-
-          if (address_prefix_match(sa->sa_family, sa,
-              prefix->Address.lpSockaddr, prefix->PrefixLength)) {
-            prefix_len = prefix->PrefixLength;
-          }
-        }
-
-        /* If there is no matching prefix information, return a single-host
-         * subnet mask (e.g. 255.255.255.255 for IPv4).
-         */
-        if (!prefix_len)
-          prefix_len = (sa->sa_family == AF_INET6) ? 128 : 32;
-      }
 
       memset(uv_address, 0, sizeof *uv_address);
 

test/test-fs.c

@@ -219,16 +219,6 @@ static void realpath_cb(uv_fs_t* req) {
   char test_file_abs_buf[PATHMAX];
   size_t test_file_abs_size = sizeof(test_file_abs_buf);
   ASSERT(req->fs_type == UV_FS_REALPATH);
-#ifdef _WIN32
-  /*
-   * Windows XP and Server 2003 don't support GetFinalPathNameByHandleW()
-   */
-  if (req->result == UV_ENOSYS) {
-    realpath_cb_count++;
-    uv_fs_req_cleanup(req);
-    return;
-  }
-#endif
   ASSERT(req->result == 0);
 
   uv_cwd(test_file_abs_buf, &test_file_abs_size);
@@ -770,11 +760,10 @@ TEST_IMPL(fs_file_loop) {
   r = uv_fs_symlink(NULL, &req, "test_symlink", "test_symlink", 0, NULL);
 #ifdef _WIN32
   /*
-   * Windows XP and Server 2003 don't support symlinks; we'll get UV_ENOTSUP.
+   * Symlinks are only suported but only when elevated, otherwise
-   * Starting with vista they are supported, but only when elevated, otherwise
    * we'll see UV_EPERM.
    */
-  if (r == UV_ENOTSUP || r == UV_EPERM)
+  if (r == UV_EPERM)
     return 0;
 #elif defined(__MSYS__)
   /* MSYS2's approximation of symlinks with copies does not work for broken
@@ -2049,15 +2038,6 @@ TEST_IMPL(fs_realpath) {
   ASSERT(0 == uv_run(loop, UV_RUN_DEFAULT));
   ASSERT(dummy_cb_count == 1);
   ASSERT_NULL(req.ptr);
-#ifdef _WIN32
-  /*
-   * Windows XP and Server 2003 don't support GetFinalPathNameByHandleW()
-   */
-  if (req.result == UV_ENOSYS) {
-    uv_fs_req_cleanup(&req);
-    RETURN_SKIP("realpath is not supported on Windows XP");
-  }
-#endif
   ASSERT(req.result == UV_ENOENT);
   uv_fs_req_cleanup(&req);
 
@@ -2168,15 +2148,6 @@ TEST_IMPL(fs_symlink) {
   uv_fs_req_cleanup(&req);
 
   r = uv_fs_realpath(NULL, &req, "test_file_symlink_symlink", NULL);
-#ifdef _WIN32
-  /*
-   * Windows XP and Server 2003 don't support GetFinalPathNameByHandleW()
-   */
-  if (r == UV_ENOSYS) {
-    uv_fs_req_cleanup(&req);
-    RETURN_SKIP("realpath is not supported on Windows XP");
-  }
-#endif
   ASSERT(r == 0);
 #ifdef _WIN32
   ASSERT(stricmp(req.ptr, test_file_abs_buf) == 0);
@@ -2226,15 +2197,6 @@ TEST_IMPL(fs_symlink) {
   ASSERT(readlink_cb_count == 1);
 
   r = uv_fs_realpath(loop, &req, "test_file", realpath_cb);
-#ifdef _WIN32
-  /*
-   * Windows XP and Server 2003 don't support GetFinalPathNameByHandleW()
-   */
-  if (r == UV_ENOSYS) {
-    uv_fs_req_cleanup(&req);
-    RETURN_SKIP("realpath is not supported on Windows XP");
-  }
-#endif
   ASSERT(r == 0);
   uv_run(loop, UV_RUN_DEFAULT);
   ASSERT(realpath_cb_count == 1);
@@ -2335,15 +2297,6 @@ int test_symlink_dir_impl(int type) {
   uv_fs_req_cleanup(&req);
 
   r = uv_fs_realpath(NULL, &req, "test_dir_symlink", NULL);
-#ifdef _WIN32
-  /*
-   * Windows XP and Server 2003 don't support GetFinalPathNameByHandleW()
-   */
-  if (r == UV_ENOSYS) {
-    uv_fs_req_cleanup(&req);
-    RETURN_SKIP("realpath is not supported on Windows XP");
-  }
-#endif
   ASSERT(r == 0);
 #ifdef _WIN32
   ASSERT(strlen(req.ptr) == test_dir_abs_size - 5);