Function getInfoSize [src]

Prototype

pub fn getInfoSize(self: *const File, comptime info: std.meta.Tag(Info)) GetInfoError!usize

Parameters

self: *const Fileinfo: std.meta.Tag(Info)

Possible Errors

BufferTooSmall

DeviceError GetInfoSizeError

NoMedia GetInfoSizeError

Unexpected UnexpectedError

Unsupported GetInfoSizeError

VolumeCorrupted GetInfoSizeError

Source

  pub fn getInfoSize(self: *const File, comptime info: std.meta.Tag(Info)) GetInfoError!usize {
    const InfoType = @FieldType(Info, @tagName(info));

    var len: usize = 0;
    switch (self._get_info(self, &InfoType.guid, &len, null)) {
        .success, .buffer_too_small => return len,
        .unsupported => return Error.Unsupported,
        .no_media => return Error.NoMedia,
        .device_error => return Error.DeviceError,
        .volume_corrupted => return Error.VolumeCorrupted,
        else => |status| return uefi.unexpectedStatus(status),
    }
}  