22 lines
549 B
Ruby
22 lines
549 B
Ruby
|
|
module Padding
|
|
|
|
# objects only come in lengths of multiple of 8 words
|
|
# but there is a constant overhead of 2 words, one for type, one for layout
|
|
# and as we would have to subtract 1 to make it work without overhead, we now have to add 7
|
|
def padded len
|
|
a = 32 * (1 + (len + 7)/32 )
|
|
#puts "#{a} for #{len}"
|
|
a
|
|
end
|
|
|
|
def padded_words words
|
|
padded(words*4) # 4 == word length, a constant waiting for a home
|
|
end
|
|
|
|
def padding_for length
|
|
pad = padded(length) - length - 8 # for header, type and layout
|
|
pad
|
|
end
|
|
end
|