Function createFileW [src]

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

Prototype

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

Parameters

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

Source

  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;
}  