func()

in flexflate/inflate.go [654:678]

• 25 lines of code
• 7 McCabe index (conditional complexity)

func (f *decompressor) huffSym(h *huffmanDecoder) (int, error) {
	n := uint(h.min)
	for {
		for f.nb < n {
			if err := f.moreBits(); err != nil {
				return 0, err
			}
		}
		chunk := h.chunks[f.b&(huffmanNumChunks-1)]
		n = uint(chunk & huffmanCountMask)
		if n > huffmanChunkBits {
			chunk = h.links[chunk>>huffmanValueShift][(f.b>>huffmanChunkBits)&h.linkMask]
			n = uint(chunk & huffmanCountMask)
			if n == 0 {
				f.err = CorruptInputError(f.roffset)
				return 0, f.err
			}
		}
		if n <= f.nb {
			f.b >>= n
			f.nb -= n
			return int(chunk >> huffmanValueShift), nil
		}
	}
}