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std.Io.Threaded: implement fileStat for Windows
This commit is contained in:
Andrew Kelley
parent
5d7672f2ad
commit
5c527a1854
@ -1033,7 +1033,7 @@ fn dirMakePathPosix(userdata: ?*anyopaque, dir: Io.Dir, sub_path: []const u8, mo
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_ = dir;
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_ = sub_path;
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_ = mode;
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@panic("TODO");
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@panic("TODO implement dirMakePathPosix");
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}
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fn dirMakePathWindows(userdata: ?*anyopaque, dir: Io.Dir, sub_path: []const u8, mode: Io.Dir.Mode) Io.Dir.MakeError!void {
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@ -1042,7 +1042,7 @@ fn dirMakePathWindows(userdata: ?*anyopaque, dir: Io.Dir, sub_path: []const u8,
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_ = dir;
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_ = sub_path;
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_ = mode;
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@panic("TODO");
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@panic("TODO implement dirMakePathWindows");
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}
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fn dirMakeOpenPathPosix(
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@ -1176,7 +1176,7 @@ fn dirMakeOpenPathWasi(
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_ = dir;
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_ = sub_path;
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_ = mode;
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@panic("TODO");
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@panic("TODO implement dirMakeOpenPathWindows");
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}
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fn dirStat(userdata: ?*anyopaque, dir: Io.Dir) Io.Dir.StatError!Io.Dir.Stat {
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@ -1184,7 +1184,7 @@ fn dirStat(userdata: ?*anyopaque, dir: Io.Dir) Io.Dir.StatError!Io.Dir.Stat {
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try t.checkCancel();
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_ = dir;
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@panic("TODO");
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@panic("TODO implement dirStat");
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}
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fn dirStatPathLinux(
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@ -1375,8 +1375,48 @@ fn fileStatLinux(userdata: ?*anyopaque, file: Io.File) Io.File.StatError!Io.File
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fn fileStatWindows(userdata: ?*anyopaque, file: Io.File) Io.File.StatError!Io.File.Stat {
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const t: *Threaded = @ptrCast(@alignCast(userdata));
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try t.checkCancel();
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_ = file;
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@panic("TODO");
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var io_status_block: windows.IO_STATUS_BLOCK = undefined;
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var info: windows.FILE_ALL_INFORMATION = undefined;
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const rc = windows.ntdll.NtQueryInformationFile(file.handle, &io_status_block, &info, @sizeOf(windows.FILE_ALL_INFORMATION), .FileAllInformation);
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switch (rc) {
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.SUCCESS => {},
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// Buffer overflow here indicates that there is more information available than was able to be stored in the buffer
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// size provided. This is treated as success because the type of variable-length information that this would be relevant for
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// (name, volume name, etc) we don't care about.
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.BUFFER_OVERFLOW => {},
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.INVALID_PARAMETER => unreachable,
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.ACCESS_DENIED => return error.AccessDenied,
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else => return windows.unexpectedStatus(rc),
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}
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return .{
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.inode = info.InternalInformation.IndexNumber,
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.size = @as(u64, @bitCast(info.StandardInformation.EndOfFile)),
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.mode = 0,
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.kind = if (info.BasicInformation.FileAttributes & windows.FILE_ATTRIBUTE_REPARSE_POINT != 0) reparse_point: {
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var tag_info: windows.FILE_ATTRIBUTE_TAG_INFO = undefined;
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const tag_rc = windows.ntdll.NtQueryInformationFile(file.handle, &io_status_block, &tag_info, @sizeOf(windows.FILE_ATTRIBUTE_TAG_INFO), .FileAttributeTagInformation);
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switch (tag_rc) {
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.SUCCESS => {},
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// INFO_LENGTH_MISMATCH and ACCESS_DENIED are the only documented possible errors
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// https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-fscc/d295752f-ce89-4b98-8553-266d37c84f0e
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.INFO_LENGTH_MISMATCH => unreachable,
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.ACCESS_DENIED => return error.AccessDenied,
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else => return windows.unexpectedStatus(rc),
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}
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if (tag_info.ReparseTag & windows.reparse_tag_name_surrogate_bit != 0) {
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break :reparse_point .sym_link;
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}
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// Unknown reparse point
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break :reparse_point .unknown;
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} else if (info.BasicInformation.FileAttributes & windows.FILE_ATTRIBUTE_DIRECTORY != 0)
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.directory
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else
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.file,
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.atime = windows.fromSysTime(info.BasicInformation.LastAccessTime),
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.mtime = windows.fromSysTime(info.BasicInformation.LastWriteTime),
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.ctime = windows.fromSysTime(info.BasicInformation.ChangeTime),
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};
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}
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fn fileStatWasi(userdata: ?*anyopaque, file: Io.File) Io.File.StatError!Io.File.Stat {
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@ -2490,7 +2530,7 @@ fn fileSeekBy(userdata: ?*anyopaque, file: Io.File, offset: i64) Io.File.SeekErr
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_ = file;
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_ = offset;
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@panic("TODO");
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@panic("TODO implement fileSeekBy");
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}
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fn fileSeekTo(userdata: ?*anyopaque, file: Io.File, offset: u64) Io.File.SeekError!void {
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@ -2571,7 +2611,7 @@ fn openSelfExe(userdata: ?*anyopaque, flags: Io.File.OpenFlags) Io.File.OpenSelf
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return dirOpenFileWindowsInner(t, .{ .handle = cwd_handle }, image_path_name, flags);
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}
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@panic("TODO");
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@panic("TODO implement openSelfExe");
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}
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fn fileWritePositional(
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@ -2586,7 +2626,7 @@ fn fileWritePositional(
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_ = file;
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_ = buffer;
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_ = offset;
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@panic("TODO");
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@panic("TODO implement fileWritePositional");
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}
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}
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@ -2596,7 +2636,7 @@ fn fileWriteStreaming(userdata: ?*anyopaque, file: Io.File, buffer: [][]const u8
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try t.checkCancel();
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_ = file;
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_ = buffer;
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@panic("TODO");
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@panic("TODO implement fileWriteStreaming");
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}
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}
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@ -2922,7 +2962,7 @@ fn netListenUnixWindows(
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try t.checkCancel();
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_ = address;
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_ = options;
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@panic("TODO");
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@panic("TODO implement netListenUnixWindows");
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}
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fn posixBindUnix(t: *Threaded, fd: posix.socket_t, addr: *const posix.sockaddr, addr_len: posix.socklen_t) !void {
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@ -3122,7 +3162,7 @@ fn netConnectIpPosix(
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options: IpAddress.ConnectOptions,
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) IpAddress.ConnectError!net.Stream {
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if (!have_networking) return error.NetworkDown;
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if (options.timeout != .none) @panic("TODO");
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if (options.timeout != .none) @panic("TODO implement netConnectIpPosix with timeout");
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const t: *Threaded = @ptrCast(@alignCast(userdata));
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const family = posixAddressFamily(address);
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const socket_fd = try openSocketPosix(t, family, .{
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@ -3146,7 +3186,7 @@ fn netConnectIpWindows(
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options: IpAddress.ConnectOptions,
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) IpAddress.ConnectError!net.Stream {
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if (!have_networking) return error.NetworkDown;
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if (options.timeout != .none) @panic("TODO");
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if (options.timeout != .none) @panic("TODO implement netConnectIpWindows with timeout");
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const t: *Threaded = @ptrCast(@alignCast(userdata));
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const family = posixAddressFamily(address);
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const socket_handle = try openSocketWsa(t, family, .{
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@ -3220,7 +3260,7 @@ fn netConnectUnixWindows(
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const t: *Threaded = @ptrCast(@alignCast(userdata));
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try t.checkCancel();
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_ = address;
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@panic("TODO");
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@panic("TODO implement netConnectUnixWindows");
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}
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fn netBindIpPosix(
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@ -3525,7 +3565,7 @@ fn netReadWindows(userdata: ?*anyopaque, handle: net.Socket.Handle, data: [][]u8
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_ = t;
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_ = handle;
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_ = data;
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@panic("TODO");
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@panic("TODO implement netReadWindows");
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}
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fn netSendPosix(
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@ -3569,7 +3609,7 @@ fn netSendWindows(
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_ = handle;
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_ = messages;
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_ = flags;
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@panic("TODO");
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@panic("TODO netSendWindows");
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}
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fn netSendOne(
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@ -3872,7 +3912,7 @@ fn netReceiveWindows(
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_ = data_buffer;
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_ = flags;
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_ = timeout;
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@panic("TODO");
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@panic("TODO implement netReceiveWindows");
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}
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fn netWritePosix(
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@ -3970,7 +4010,7 @@ fn netWriteWindows(
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_ = header;
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_ = data;
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_ = splat;
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@panic("TODO");
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@panic("TODO implement netWriteWindows");
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}
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fn addBuf(v: []posix.iovec_const, i: *@FieldType(posix.msghdr_const, "iovlen"), bytes: []const u8) void {
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@ -4036,7 +4076,7 @@ fn netInterfaceNameResolve(
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if (native_os == .windows) {
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try t.checkCancel();
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@panic("TODO");
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@panic("TODO implement netInterfaceNameResolve for Windows");
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}
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if (builtin.link_libc) {
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@ -4055,15 +4095,15 @@ fn netInterfaceName(userdata: ?*anyopaque, interface: net.Interface) net.Interfa
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if (native_os == .linux) {
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_ = interface;
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@panic("TODO");
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@panic("TODO implement netInterfaceName for linux");
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}
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if (native_os == .windows) {
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@panic("TODO");
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@panic("TODO implement netInterfaceName for windows");
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}
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if (builtin.link_libc) {
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@panic("TODO");
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@panic("TODO implement netInterfaceName for libc");
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}
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@panic("unimplemented");
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@ -312,50 +312,6 @@ pub const StatError = posix.FStatError;
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/// Returns `Stat` containing basic information about the `File`.
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pub fn stat(self: File) StatError!Stat {
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if (builtin.os.tag == .windows) {
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var io_status_block: windows.IO_STATUS_BLOCK = undefined;
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var info: windows.FILE_ALL_INFORMATION = undefined;
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const rc = windows.ntdll.NtQueryInformationFile(self.handle, &io_status_block, &info, @sizeOf(windows.FILE_ALL_INFORMATION), .FileAllInformation);
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switch (rc) {
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.SUCCESS => {},
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// Buffer overflow here indicates that there is more information available than was able to be stored in the buffer
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// size provided. This is treated as success because the type of variable-length information that this would be relevant for
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// (name, volume name, etc) we don't care about.
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.BUFFER_OVERFLOW => {},
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.INVALID_PARAMETER => unreachable,
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.ACCESS_DENIED => return error.AccessDenied,
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else => return windows.unexpectedStatus(rc),
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}
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return .{
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.inode = info.InternalInformation.IndexNumber,
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.size = @as(u64, @bitCast(info.StandardInformation.EndOfFile)),
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.mode = 0,
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.kind = if (info.BasicInformation.FileAttributes & windows.FILE_ATTRIBUTE_REPARSE_POINT != 0) reparse_point: {
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var tag_info: windows.FILE_ATTRIBUTE_TAG_INFO = undefined;
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const tag_rc = windows.ntdll.NtQueryInformationFile(self.handle, &io_status_block, &tag_info, @sizeOf(windows.FILE_ATTRIBUTE_TAG_INFO), .FileAttributeTagInformation);
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switch (tag_rc) {
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.SUCCESS => {},
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// INFO_LENGTH_MISMATCH and ACCESS_DENIED are the only documented possible errors
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// https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-fscc/d295752f-ce89-4b98-8553-266d37c84f0e
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.INFO_LENGTH_MISMATCH => unreachable,
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.ACCESS_DENIED => return error.AccessDenied,
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else => return windows.unexpectedStatus(rc),
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}
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if (tag_info.ReparseTag & windows.reparse_tag_name_surrogate_bit != 0) {
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break :reparse_point .sym_link;
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}
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// Unknown reparse point
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break :reparse_point .unknown;
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} else if (info.BasicInformation.FileAttributes & windows.FILE_ATTRIBUTE_DIRECTORY != 0)
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.directory
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else
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.file,
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.atime = windows.fromSysTime(info.BasicInformation.LastAccessTime),
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.mtime = windows.fromSysTime(info.BasicInformation.LastWriteTime),
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.ctime = windows.fromSysTime(info.BasicInformation.ChangeTime),
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};
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}
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var threaded: Io.Threaded = .init_single_threaded;
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const io = threaded.io();
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return Io.File.stat(.{ .handle = self.handle }, io);
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