Commit b561d5f3fe
Changed files (5)
lib
lib/std/fs/Dir.zig
@@ -900,64 +900,14 @@ pub fn openFileW(self: Dir, sub_path_w: []const u16, flags: File.OpenFlags) File
return file;
}
-/// Creates, opens, or overwrites a file with write access.
-/// Call `File.close` on the result when done.
-/// Asserts that the path parameter has no null bytes.
-/// On Windows, `sub_path` should be encoded as [WTF-8](https://wtf-8.codeberg.page/).
-/// On WASI, `sub_path` should be encoded as valid UTF-8.
-/// On other platforms, `sub_path` is an opaque sequence of bytes with no particular encoding.
+/// Deprecated in favor of `Io.Dir.createFile`.
pub fn createFile(self: Dir, sub_path: []const u8, flags: File.CreateFlags) File.OpenError!File {
- if (native_os == .windows) {
- const path_w = try windows.sliceToPrefixedFileW(self.fd, sub_path);
- return self.createFileW(path_w.span(), flags);
- }
var threaded: Io.Threaded = .init_single_threaded;
const io = threaded.io();
const new_file = try Io.Dir.createFile(self.adaptToNewApi(), io, sub_path, flags);
return .adaptFromNewApi(new_file);
}
-/// Same as `createFile` but Windows-only and the path parameter is
-/// [WTF-16](https://wtf-8.codeberg.page/#potentially-ill-formed-utf-16) encoded.
-pub fn createFileW(self: Dir, sub_path_w: []const u16, flags: File.CreateFlags) File.OpenError!File {
- const w = windows;
- const read_flag = if (flags.read) @as(u32, w.GENERIC_READ) else 0;
- const file: File = .{
- .handle = try w.OpenFile(sub_path_w, .{
- .dir = self.fd,
- .access_mask = w.SYNCHRONIZE | w.GENERIC_WRITE | read_flag,
- .creation = if (flags.exclusive)
- @as(u32, w.FILE_CREATE)
- else if (flags.truncate)
- @as(u32, w.FILE_OVERWRITE_IF)
- else
- @as(u32, w.FILE_OPEN_IF),
- }),
- };
- errdefer file.close();
- var io: w.IO_STATUS_BLOCK = undefined;
- const range_off: w.LARGE_INTEGER = 0;
- const range_len: w.LARGE_INTEGER = 1;
- const exclusive = switch (flags.lock) {
- .none => return file,
- .shared => false,
- .exclusive => true,
- };
- try w.LockFile(
- file.handle,
- null,
- null,
- null,
- &io,
- &range_off,
- &range_len,
- null,
- @intFromBool(flags.lock_nonblocking),
- @intFromBool(exclusive),
- );
- return file;
-}
-
/// Deprecated in favor of `Io.Dir.MakeError`.
pub const MakeError = Io.Dir.MakeError;
lib/std/Io/Dir.zig
@@ -101,6 +101,13 @@ pub fn openFile(dir: Dir, io: Io, sub_path: []const u8, flags: File.OpenFlags) F
return io.vtable.dirOpenFile(io.userdata, dir, sub_path, flags);
}
+/// Creates, opens, or overwrites a file with write access.
+///
+/// Allocates a resource to be dellocated with `File.close`.
+///
+/// On Windows, `sub_path` should be encoded as [WTF-8](https://wtf-8.codeberg.page/).
+/// On WASI, `sub_path` should be encoded as valid UTF-8.
+/// On other platforms, `sub_path` is an opaque sequence of bytes with no particular encoding.
pub fn createFile(dir: Dir, io: Io, sub_path: []const u8, flags: File.CreateFlags) File.OpenError!File {
return io.vtable.dirCreateFile(io.userdata, dir, sub_path, flags);
}
lib/std/Io/Threaded.zig
@@ -187,7 +187,7 @@ pub fn io(t: *Threaded) Io {
else => dirAccessPosix,
},
.dirCreateFile = switch (builtin.os.tag) {
- .windows => @panic("TODO"),
+ .windows => dirCreateFileWindows,
.wasi => dirCreateFileWasi,
else => dirCreateFilePosix,
},
@@ -1483,6 +1483,54 @@ fn dirCreateFilePosix(
return .{ .handle = fd };
}
+fn dirCreateFileWindows(
+ userdata: ?*anyopaque,
+ dir: Io.Dir,
+ sub_path: []const u8,
+ flags: Io.File.CreateFlags,
+) Io.File.OpenError!Io.File {
+ const w = windows;
+ const t: *Threaded = @ptrCast(@alignCast(userdata));
+ try t.checkCancel();
+
+ const sub_path_w_array = try w.sliceToPrefixedFileW(dir.handle, sub_path);
+ const sub_path_w = sub_path_w_array.span();
+
+ const read_flag = if (flags.read) @as(u32, w.GENERIC_READ) else 0;
+ const handle = try w.OpenFile(sub_path_w, .{
+ .dir = dir.handle,
+ .access_mask = w.SYNCHRONIZE | w.GENERIC_WRITE | read_flag,
+ .creation = if (flags.exclusive)
+ @as(u32, w.FILE_CREATE)
+ else if (flags.truncate)
+ @as(u32, w.FILE_OVERWRITE_IF)
+ else
+ @as(u32, w.FILE_OPEN_IF),
+ });
+ errdefer w.CloseHandle(handle);
+ var io_status_block: w.IO_STATUS_BLOCK = undefined;
+ const range_off: w.LARGE_INTEGER = 0;
+ const range_len: w.LARGE_INTEGER = 1;
+ const exclusive = switch (flags.lock) {
+ .none => return .{ .handle = handle },
+ .shared => false,
+ .exclusive => true,
+ };
+ try w.LockFile(
+ handle,
+ null,
+ null,
+ null,
+ &io_status_block,
+ &range_off,
+ &range_len,
+ null,
+ @intFromBool(flags.lock_nonblocking),
+ @intFromBool(exclusive),
+ );
+ return .{ .handle = handle };
+}
+
fn dirCreateFileWasi(
userdata: ?*anyopaque,
dir: Io.Dir,
lib/std/fs.zig
@@ -299,12 +299,6 @@ pub fn createFileAbsolute(absolute_path: []const u8, flags: File.CreateFlags) Fi
return cwd().createFile(absolute_path, flags);
}
-/// Same as `createFileAbsolute` but the path parameter is WTF-16 encoded.
-pub fn createFileAbsoluteW(absolute_path_w: [*:0]const u16, flags: File.CreateFlags) File.OpenError!File {
- assert(path.isAbsoluteWindowsW(absolute_path_w));
- return cwd().createFileW(mem.span(absolute_path_w), flags);
-}
-
/// Delete a file name and possibly the file it refers to, based on an absolute path.
/// Asserts that the path is absolute. See `Dir.deleteFile` for a function that
/// operates on both absolute and relative paths.
lib/std/posix.zig
@@ -4684,9 +4684,7 @@ pub const AccessError = error{
/// Windows. See `fs` for the cross-platform file system API.
pub fn access(path: []const u8, mode: u32) AccessError!void {
if (native_os == .windows) {
- const path_w = try windows.sliceToPrefixedFileW(null, path);
- _ = try windows.GetFileAttributesW(path_w.span().ptr);
- return;
+ @compileError("use std.Io instead");
} else if (native_os == .wasi and !builtin.link_libc) {
@compileError("wasi doesn't support absolute paths");
}
@@ -4697,9 +4695,7 @@ pub fn access(path: []const u8, mode: u32) AccessError!void {
/// Same as `access` except `path` is null-terminated.
pub fn accessZ(path: [*:0]const u8, mode: u32) AccessError!void {
if (native_os == .windows) {
- const path_w = try windows.cStrToPrefixedFileW(null, path);
- _ = try windows.GetFileAttributesW(path_w.span().ptr);
- return;
+ @compileError("use std.Io instead");
} else if (native_os == .wasi and !builtin.link_libc) {
return access(mem.sliceTo(path, 0), mode);
}