Storing extra files as a slice requires the caller to allocate a large enough slice before initialising any file and never grow the slice.
Signed-off-by: Ophestra <cat@gensokyo.uk>
Helpers use extra files for various purposes. This provides a generic interface for implementing the fulfillment of these extra files without having to specifically handle them in the process creation code.
Signed-off-by: Ophestra <cat@gensokyo.uk>
