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Use SHGetKnownFolderPath() on Windows
SHGetSpecialFolderLocation() can cause 200ms delays when getting some folder locations. Also, use SHGetKnownFolderPath() normally, without loading it at runtime, since GLib is Windows 7-or-later now. Fixes #2397
This commit is contained in:
Руслан Ижбулатов
parent
45cc35c5cc
commit
d270d5b615
118
glib/gutils.c
118
glib/gutils.c
@ -548,23 +548,20 @@ static gchar **g_user_special_dirs = NULL;
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#ifdef G_OS_WIN32
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static gchar *
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get_special_folder (int csidl)
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get_special_folder (REFKNOWNFOLDERID known_folder_guid_ptr)
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{
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wchar_t path[MAX_PATH+1];
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wchar_t *wcp = NULL;
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gchar *result = NULL;
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HRESULT hr;
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LPITEMIDLIST pidl = NULL;
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BOOL b;
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gchar *retval = NULL;
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hr = SHGetSpecialFolderLocation (NULL, csidl, &pidl);
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if (hr == S_OK)
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{
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b = SHGetPathFromIDListW (pidl, path);
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if (b)
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retval = g_utf16_to_utf8 (path, -1, NULL, NULL, NULL);
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CoTaskMemFree (pidl);
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}
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return retval;
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hr = SHGetKnownFolderPath (known_folder_guid_ptr, 0, NULL, &wcp);
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if (SUCCEEDED (hr))
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result = g_utf16_to_utf8 (wcp, -1, NULL, NULL, NULL);
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CoTaskMemFree (wcp);
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return result;
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}
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static char *
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@ -814,7 +811,7 @@ g_build_home_dir (void)
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}
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if (home_dir == NULL)
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home_dir = get_special_folder (CSIDL_PROFILE);
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home_dir = get_special_folder (&FOLDERID_Profile);
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if (home_dir == NULL)
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home_dir = get_windows_directory_root ();
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@ -1704,7 +1701,7 @@ g_build_user_data_dir (void)
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data_dir = g_strdup (data_dir_env);
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#ifdef G_OS_WIN32
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else
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data_dir = get_special_folder (CSIDL_LOCAL_APPDATA);
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data_dir = get_special_folder (&FOLDERID_LocalAppData);
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#endif
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if (!data_dir || !data_dir[0])
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{
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@ -1730,7 +1727,7 @@ g_build_user_data_dir (void)
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* On Windows it follows XDG Base Directory Specification if `XDG_DATA_HOME`
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* is defined. If `XDG_DATA_HOME` is undefined, the folder to use for local (as
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* opposed to roaming) application data is used instead. See the
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* [documentation for `CSIDL_LOCAL_APPDATA`](https://msdn.microsoft.com/en-us/library/windows/desktop/bb762494%28v=vs.85%29.aspx#csidl_local_appdata).
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* [documentation for `FOLDERID_LocalAppData`](https://docs.microsoft.com/en-us/windows/win32/shell/knownfolderid).
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* Note that in this case on Windows it will be the same
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* as what g_get_user_config_dir() returns.
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*
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@ -1768,7 +1765,7 @@ g_build_user_config_dir (void)
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config_dir = g_strdup (config_dir_env);
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#ifdef G_OS_WIN32
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else
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config_dir = get_special_folder (CSIDL_LOCAL_APPDATA);
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config_dir = get_special_folder (&FOLDERID_LocalAppData);
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#endif
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if (!config_dir || !config_dir[0])
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{
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@ -1794,7 +1791,7 @@ g_build_user_config_dir (void)
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* On Windows it follows XDG Base Directory Specification if `XDG_CONFIG_HOME` is defined.
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* If `XDG_CONFIG_HOME` is undefined, the folder to use for local (as opposed
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* to roaming) application data is used instead. See the
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* [documentation for `CSIDL_LOCAL_APPDATA`](https://msdn.microsoft.com/en-us/library/windows/desktop/bb762494%28v=vs.85%29.aspx#csidl_local_appdata).
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* [documentation for `FOLDERID_LocalAppData`](https://docs.microsoft.com/en-us/windows/win32/shell/knownfolderid).
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* Note that in this case on Windows it will be the same
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* as what g_get_user_data_dir() returns.
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*
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@ -1831,7 +1828,7 @@ g_build_user_cache_dir (void)
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cache_dir = g_strdup (cache_dir_env);
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#ifdef G_OS_WIN32
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else
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cache_dir = get_special_folder (CSIDL_INTERNET_CACHE);
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cache_dir = get_special_folder (&FOLDERID_InternetCache);
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#endif
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if (!cache_dir || !cache_dir[0])
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{
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@ -1858,7 +1855,7 @@ g_build_user_cache_dir (void)
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* If `XDG_CACHE_HOME` is undefined, the directory that serves as a common
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* repository for temporary Internet files is used instead. A typical path is
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* `C:\Documents and Settings\username\Local Settings\Temporary Internet Files`.
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* See the [documentation for `CSIDL_INTERNET_CACHE`](https://msdn.microsoft.com/en-us/library/windows/desktop/bb762494%28v=vs.85%29.aspx#csidl_internet_cache).
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* See the [documentation for `FOLDERID_InternetCache`](https://docs.microsoft.com/en-us/windows/win32/shell/knownfolderid).
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*
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* The return value is cached and modifying it at runtime is not supported, as
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* it’s not thread-safe to modify environment variables at runtime.
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@ -1965,69 +1962,22 @@ load_user_special_dirs (void)
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static void
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load_user_special_dirs (void)
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{
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typedef HRESULT (WINAPI *t_SHGetKnownFolderPath) (const GUID *rfid,
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DWORD dwFlags,
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HANDLE hToken,
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PWSTR *ppszPath);
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t_SHGetKnownFolderPath p_SHGetKnownFolderPath;
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g_user_special_dirs[G_USER_DIRECTORY_DESKTOP] = get_special_folder (&FOLDERID_Desktop);
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g_user_special_dirs[G_USER_DIRECTORY_DOCUMENTS] = get_special_folder (&FOLDERID_Documents);
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static const GUID FOLDERID_Downloads =
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{ 0x374de290, 0x123f, 0x4565, { 0x91, 0x64, 0x39, 0xc4, 0x92, 0x5e, 0x46, 0x7b } };
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static const GUID FOLDERID_Public =
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{ 0xDFDF76A2, 0xC82A, 0x4D63, { 0x90, 0x6A, 0x56, 0x44, 0xAC, 0x45, 0x73, 0x85 } };
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wchar_t *wcp;
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p_SHGetKnownFolderPath = (t_SHGetKnownFolderPath) GetProcAddress (GetModuleHandleW (L"shell32.dll"),
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"SHGetKnownFolderPath");
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g_user_special_dirs[G_USER_DIRECTORY_DESKTOP] = get_special_folder (CSIDL_DESKTOPDIRECTORY);
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g_user_special_dirs[G_USER_DIRECTORY_DOCUMENTS] = get_special_folder (CSIDL_PERSONAL);
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if (p_SHGetKnownFolderPath == NULL)
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{
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g_user_special_dirs[G_USER_DIRECTORY_DOWNLOAD] = get_special_folder (CSIDL_DESKTOPDIRECTORY);
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}
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else
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{
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wcp = NULL;
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(*p_SHGetKnownFolderPath) (&FOLDERID_Downloads, 0, NULL, &wcp);
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if (wcp)
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{
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g_user_special_dirs[G_USER_DIRECTORY_DOWNLOAD] = g_utf16_to_utf8 (wcp, -1, NULL, NULL, NULL);
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g_user_special_dirs[G_USER_DIRECTORY_DOWNLOAD] = get_special_folder (&FOLDERID_Downloads);
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if (g_user_special_dirs[G_USER_DIRECTORY_DOWNLOAD] == NULL)
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g_user_special_dirs[G_USER_DIRECTORY_DOWNLOAD] = get_special_folder (CSIDL_DESKTOPDIRECTORY);
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CoTaskMemFree (wcp);
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}
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else
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g_user_special_dirs[G_USER_DIRECTORY_DOWNLOAD] = get_special_folder (CSIDL_DESKTOPDIRECTORY);
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}
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g_user_special_dirs[G_USER_DIRECTORY_DOWNLOAD] = get_special_folder (&FOLDERID_Desktop);
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g_user_special_dirs[G_USER_DIRECTORY_MUSIC] = get_special_folder (CSIDL_MYMUSIC);
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g_user_special_dirs[G_USER_DIRECTORY_PICTURES] = get_special_folder (CSIDL_MYPICTURES);
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g_user_special_dirs[G_USER_DIRECTORY_MUSIC] = get_special_folder (&FOLDERID_Music);
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g_user_special_dirs[G_USER_DIRECTORY_PICTURES] = get_special_folder (&FOLDERID_Pictures);
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if (p_SHGetKnownFolderPath == NULL)
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{
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/* XXX */
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g_user_special_dirs[G_USER_DIRECTORY_PUBLIC_SHARE] = get_special_folder (CSIDL_COMMON_DOCUMENTS);
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}
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else
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{
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wcp = NULL;
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(*p_SHGetKnownFolderPath) (&FOLDERID_Public, 0, NULL, &wcp);
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if (wcp)
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{
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g_user_special_dirs[G_USER_DIRECTORY_PUBLIC_SHARE] = g_utf16_to_utf8 (wcp, -1, NULL, NULL, NULL);
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g_user_special_dirs[G_USER_DIRECTORY_PUBLIC_SHARE] = get_special_folder (&FOLDERID_Public);
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if (g_user_special_dirs[G_USER_DIRECTORY_PUBLIC_SHARE] == NULL)
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g_user_special_dirs[G_USER_DIRECTORY_PUBLIC_SHARE] = get_special_folder (CSIDL_COMMON_DOCUMENTS);
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CoTaskMemFree (wcp);
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}
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else
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g_user_special_dirs[G_USER_DIRECTORY_PUBLIC_SHARE] = get_special_folder (CSIDL_COMMON_DOCUMENTS);
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}
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g_user_special_dirs[G_USER_DIRECTORY_PUBLIC_SHARE] = get_special_folder (&FOLDERID_PublicDocuments);
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g_user_special_dirs[G_USER_DIRECTORY_TEMPLATES] = get_special_folder (CSIDL_TEMPLATES);
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g_user_special_dirs[G_USER_DIRECTORY_VIDEOS] = get_special_folder (CSIDL_MYVIDEO);
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g_user_special_dirs[G_USER_DIRECTORY_TEMPLATES] = get_special_folder (&FOLDERID_Templates);
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g_user_special_dirs[G_USER_DIRECTORY_VIDEOS] = get_special_folder (&FOLDERID_Videos);
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}
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#else /* default is unix */
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@ -2379,12 +2329,12 @@ g_win32_get_system_data_dirs_for_module_real (void (*address_of_function)(void))
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data_dirs = g_array_new (TRUE, TRUE, sizeof (char *));
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/* Documents and Settings\All Users\Application Data */
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p = get_special_folder (CSIDL_COMMON_APPDATA);
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p = get_special_folder (&FOLDERID_ProgramData);
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if (p)
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g_array_append_val (data_dirs, p);
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/* Documents and Settings\All Users\Documents */
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p = get_special_folder (CSIDL_COMMON_DOCUMENTS);
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p = get_special_folder (&FOLDERID_PublicDocuments);
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if (p)
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g_array_append_val (data_dirs, p);
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@ -2531,8 +2481,8 @@ g_build_system_data_dirs (void)
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* the first elements in the list are the Application Data
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* and Documents folders for All Users. (These can be determined only
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* on Windows 2000 or later and are not present in the list on other
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* Windows versions.) See documentation for CSIDL_COMMON_APPDATA and
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* CSIDL_COMMON_DOCUMENTS.
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* Windows versions.) See documentation for FOLDERID_ProgramData and
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* FOLDERID_PublicDocuments.
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*
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* Then follows the "share" subfolder in the installation folder for
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* the package containing the DLL that calls this function, if it can
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@ -2587,7 +2537,7 @@ g_build_system_config_dirs (void)
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}
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else
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{
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gchar *special_conf_dirs = get_special_folder (CSIDL_COMMON_APPDATA);
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gchar *special_conf_dirs = get_special_folder (&FOLDERID_ProgramData);
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if (special_conf_dirs)
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conf_dir_vector = g_strsplit (special_conf_dirs, G_SEARCHPATH_SEPARATOR_S, 0);
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@ -2625,7 +2575,7 @@ g_build_system_config_dirs (void)
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* This folder is used for application data
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* that is not user specific. For example, an application can store
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* a spell-check dictionary, a database of clip art, or a log file in the
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* CSIDL_COMMON_APPDATA folder. This information will not roam and is available
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* FOLDERID_ProgramData folder. This information will not roam and is available
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* to anyone using the computer.
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*
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* The return value is cached and modifying it at runtime is not supported, as
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