Function openProtocolInformation [src]

Prototype

 pub fn openProtocolInformation( self: *const BootServices, handle: Handle, Protocol: type, ) OpenProtocolInformationError!?[]ProtocolInformationEntry

Parameters

self: *const BootServiceshandle: HandleProtocol: type

Possible Errors

OutOfResources

Unexpected UnexpectedError

Source

  pub fn openProtocolInformation(
    self: *const BootServices,
    handle: Handle,
    Protocol: type,
) OpenProtocolInformationError!?[]ProtocolInformationEntry {
    var entries: [*]ProtocolInformationEntry = undefined;
    var len: usize = undefined;

    switch (self._openProtocolInformation(
        handle,
        &Protocol.guid,
        &entries,
        &len,
    )) {
        .success => return entries[0..len],
        .not_found => return null,
        .out_of_resources => return error.OutOfResources,
        else => |status| return uefi.unexpectedStatus(status),
    }
}  