method

size

Ruby latest stable (v2_5_5) - 0 notes - Class: CStructEntity

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2_1_10 (0)
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What's this?

size(types) public

Returns the offset for the packed sizes for the given types.

Fiddle::CStructEntity.size(
  [ Fiddle::TYPE_DOUBLE,
    Fiddle::TYPE_INT,
    Fiddle::TYPE_CHAR,
    Fiddle::TYPE_VOIDP ]) #=> 24

Show source

# File ext/fiddle/lib/fiddle/struct.rb, line 99
    def CStructEntity.size(types)
      offset = 0

      max_align = types.map { |type, count = 1|
        last_offset = offset

        align = PackInfo::ALIGN_MAP[type]
        offset = PackInfo.align(last_offset, align) +
                 (PackInfo::SIZE_MAP[type] * count)

        align
      }.max

      PackInfo.align(offset, max_align)
    end

size

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