Function openFileW [src]

Same as openFile but Windows-only and the path parameter is WTF-16 encoded.

Prototype

pub fn openFileW(self: Dir, sub_path_w: []const u16, flags: File.OpenFlags) File.OpenError!File

Parameters

self: Dirsub_path_w: []const u16flags: File.OpenFlags

Source

  pub fn openFileW(self: Dir, sub_path_w: []const u16, flags: File.OpenFlags) File.OpenError!File {
    const w = windows;
    const file: File = .{
        .handle = try w.OpenFile(sub_path_w, .{
            .dir = self.fd,
            .access_mask = w.SYNCHRONIZE |
                (if (flags.isRead()) @as(u32, w.GENERIC_READ) else 0) |
                (if (flags.isWrite()) @as(u32, w.GENERIC_WRITE) else 0),
            .creation = w.FILE_OPEN,
        }),
    };
    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;
}  