gio: Remove broken support for XP

We now require Windows 7 or newer, and the networking code hasn't
worked in a long time since we directly use symbols from iphlapi.dll
now.

8 files changed, 6 insertions, 147 deletions

diff --git a/docs/reference/gio/gio-sections-common.txt b/docs/reference/gio/gio-sections-common.txt
index 9e606a1f0..442b2247b 100644
--- a/docs/reference/gio/gio-sections-common.txt
+++ b/docs/reference/gio/gio-sections-common.txt
@@ -4525,7 +4525,6 @@ CMSG_LEN
 CMSG_SPACE
 GLIB_ALIGN_TO_SIZEOF
 T_SRV
-ws2funcs
 </SECTION>
 
 <SECTION>
diff --git a/gio/ginetaddress.c b/gio/ginetaddress.c
index 808fc3930..3eedaedea 100644
--- a/gio/ginetaddress.c
+++ b/gio/ginetaddress.c
@@ -31,13 +31,6 @@
 #include "glibintl.h"
 #include "gnetworkingprivate.h"
 
-#ifdef G_OS_WIN32
-/* Ensure Windows XP runtime compatibility, while using
- * inet_pton() and inet_ntop() if available
- */
-#include "gwin32networking.h"
-#endif
-
 struct _GInetAddressPrivate
 {
   GSocketFamily family;
diff --git a/gio/glocalfile.c b/gio/glocalfile.c
index a92c7b28b..3f2a94db6 100644
--- a/gio/glocalfile.c
+++ b/gio/glocalfile.c
@@ -830,36 +830,6 @@ get_mount_info (GFileInfo             *fs_info,
 
 #ifdef G_OS_WIN32
 
-static gboolean
-is_xp_or_later (void)
-{
-  static int result = -1;
-
-  if (result == -1)
-    {
-#ifndef _MSC_VER    
-      OSVERSIONINFOEX ver_info = {0};
-      DWORDLONG cond_mask = 0;
-      int op = VER_GREATER_EQUAL;
-
-      ver_info.dwOSVersionInfoSize = sizeof ver_info;
-      ver_info.dwMajorVersion = 5;
-      ver_info.dwMinorVersion = 1;
-
-      VER_SET_CONDITION (cond_mask, VER_MAJORVERSION, op);
-      VER_SET_CONDITION (cond_mask, VER_MINORVERSION, op);
-
-      result = VerifyVersionInfo (&ver_info,
-				  VER_MAJORVERSION | VER_MINORVERSION, 
-				  cond_mask) != 0;
-#else
-      result = ((DWORD)(LOBYTE (LOWORD (GetVersion ())))) >= 5;  
-#endif
-    }
-
-  return result;
-}
-
 static wchar_t *
 get_volume_for_path (const char *path)
 {
@@ -918,18 +888,10 @@ get_filesystem_readonly (GFileInfo  *info,
 
   if (rootdir)
     {
-      if (is_xp_or_later ())
-        {
-          DWORD flags;
-          if (GetVolumeInformationW (rootdir, NULL, 0, NULL, NULL, &flags, NULL, 0))
-	    g_file_info_set_attribute_boolean (info, G_FILE_ATTRIBUTE_FILESYSTEM_READONLY,
-					       (flags & FILE_READ_ONLY_VOLUME) != 0);
-        }
-      else
-        {
-          if (GetDriveTypeW (rootdir) == DRIVE_CDROM)
-	    g_file_info_set_attribute_boolean (info, G_FILE_ATTRIBUTE_FILESYSTEM_READONLY, TRUE);
-        }
+      DWORD flags;
+      if (GetVolumeInformationW (rootdir, NULL, 0, NULL, NULL, &flags, NULL, 0))
+        g_file_info_set_attribute_boolean (info, G_FILE_ATTRIBUTE_FILESYSTEM_READONLY,
+                                           (flags & FILE_READ_ONLY_VOLUME) != 0);
     }
 
   g_free (rootdir);
diff --git a/gio/gnetworking.c b/gio/gnetworking.c
index fea4309dd..05507fe70 100644
--- a/gio/gnetworking.c
+++ b/gio/gnetworking.c
@@ -22,13 +22,6 @@
 
 #include "gnetworking.h"
 
-#ifdef G_OS_WIN32
-/* For Windows XP run-time compatibility */
-#include "gwin32networking.h"
-
-GWin32WinsockFuncs ws2funcs = {0};
-#endif
-
 /**
  * SECTION:gnetworking
  * @title: gnetworking.h
@@ -73,40 +66,10 @@ g_networking_init (void)
   if (g_once_init_enter (&inited))
     {
       WSADATA wsadata;
-      HMODULE ws2dll, iphlpapidll;
 
       if (WSAStartup (MAKEWORD (2, 0), &wsadata) != 0)
         g_error ("Windows Sockets could not be initialized");
 
-      /* We want to use these functions if they are available, but
-       * still need to make sure the code still runs on Windows XP
-       */
-      ws2dll = LoadLibraryW (L"ws2_32.dll");
-      iphlpapidll = LoadLibraryW (L"iphlpapi.dll");
-
-      if (ws2dll != NULL)
-        {
-          ws2funcs.pInetNtop =
-            (PFN_InetNtop) GetProcAddress (ws2dll, "inet_ntop");
-          ws2funcs.pInetPton =
-            (PFN_InetPton) GetProcAddress (ws2dll, "inet_pton");
-          FreeLibrary (ws2dll);
-        }
-      else
-        {
-          ws2funcs.pInetNtop = NULL;
-          ws2funcs.pInetPton = NULL;
-        }
-
-      if (iphlpapidll != NULL)
-        {
-          ws2funcs.pIfNameToIndex =
-            (PFN_IfNameToIndex) GetProcAddress (iphlpapidll, "if_nametoindex");
-          FreeLibrary (iphlpapidll);
-        }
-      else
-        ws2funcs.pIfNameToIndex = NULL;
-      
       g_once_init_leave (&inited, 1);
     }
 #endif
diff --git a/gio/gnetworking.h.in b/gio/gnetworking.h.in
index f9582b99e..2fa95ff65 100644
--- a/gio/gnetworking.h.in
+++ b/gio/gnetworking.h.in
@@ -22,15 +22,11 @@
 #include <glib.h>
 
 #ifdef G_OS_WIN32
-
-#ifndef _WIN32_WINNT
-#define _WIN32_WINNT 0x0501
-#endif
 #include <winsock2.h>
 #include <ws2tcpip.h>
 #include <windns.h>
 #include <mswsock.h>
-@WSPIAPI_INCLUDE@
+#include <wspiapi.h>
 #include <iphlpapi.h>
 #undef interface
 
diff --git a/gio/gsocket.c b/gio/gsocket.c
index 1958643cc..bdac27193 100644
--- a/gio/gsocket.c
+++ b/gio/gsocket.c
@@ -76,11 +76,6 @@
 #include "glibintl.h"
 #include "gioprivate.h"
 
-#ifdef G_OS_WIN32
-/* For Windows XP runtime compatibility, but use the system's if_nametoindex() if available */
-#include "gwin32networking.h"
-#endif
-
 /**
  * SECTION:gsocket
  * @short_description: Low-level socket object
diff --git a/gio/gwin32networking.h b/gio/gwin32networking.h
deleted file mode 100644
index 9e1396cc6..000000000
--- a/gio/gwin32networking.h
+++ /dev/null
@@ -1,42 +0,0 @@
-/* GIO - GLib Input, Output and Streaming Library
- *
- * Copyright (C) 2015 Chun-wei Fan
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General
- * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef __G_WIN32_NETWORKING_H__
-#define __G_WIN32_NETWORKING_H__
-
-G_BEGIN_DECLS
-
-/* Check if more ANSI-compliant Winsock2 functions are provided */
-/* For run-time compatibility with Windows XP, remove when XP support dropped */
-
-typedef INT (WSAAPI *PFN_InetPton) (INT, PCTSTR, PVOID);
-typedef PCTSTR (WSAAPI *PFN_InetNtop) (INT, PVOID, PTSTR, size_t);
-typedef NET_IFINDEX (WINAPI *PFN_IfNameToIndex) (PCSTR);
-
-typedef struct _GWin32WinsockFuncs
-{
-  PFN_InetPton pInetPton;
-  PFN_InetNtop pInetNtop;
-  PFN_IfNameToIndex pIfNameToIndex;
-} GWin32WinsockFuncs;
-
-extern GWin32WinsockFuncs ws2funcs;
-
-G_END_DECLS /* __G_WIN32_NETWORKING_H__ */
-
-#endif
diff --git a/gio/meson.build b/gio/meson.build
index 39e246b9b..40a9ca6d0 100644
--- a/gio/meson.build
+++ b/gio/meson.build
@@ -10,15 +10,9 @@ gio_c_args += glib_hidden_visibility_args
 
 gnetworking_h_conf = configuration_data()
 
-gnetworking_h_wspiapi_include = ''
 gnetworking_h_nameser_compat_include = ''
 
-if host_system == 'windows'
-  # <wspiapi.h> in the Windows SDK and in mingw-w64 has wrappers for
-  # inline workarounds for getaddrinfo, getnameinfo and freeaddrinfo if
-  # they aren't present at run-time (on Windows 2000).
-  gnetworking_h_wspiapi_include = '#include <wspiapi.h>'
-elif not host_system.contains('android')
+if host_system != 'windows' and not host_system.contains('android')
   # Don't check for C_IN on Android since it does not define it in public
   # headers, we define it ourselves wherever necessary
   if not cc.compiles('''#include <sys/types.h>
@@ -168,7 +162,6 @@ if host_system.contains('android')
   endif
 endif
 
-gnetworking_h_conf.set('WSPIAPI_INCLUDE', gnetworking_h_wspiapi_include)
 gnetworking_h_conf.set('NAMESER_COMPAT_INCLUDE', gnetworking_h_nameser_compat_include)
 
 gnetworking_h = configure_file(input : 'gnetworking.h.in',