peteb · February 17, 2017 18:32
diff --git a/excel_hash.cc b/excel_hash.cc
 int hash(const char *data) {
  const char *pos = data;
  int bit_num = 1;
  int xored = 0;

  while (*pos) {
    int value = (int)*pos << bit_num;
    int msb = value >> 15;
    value = (value & 0x7FFF) | msb;

    pos++;
    bit_num++;

    xored ^= value;
  }

  return xored ^ (bit_num - 1) ^ 0xCE4B;
 }
	int hash(const char *data) {
	const char *pos = data;
	int bit_num = 1;
	int xored = 0;

	while (*pos) {
	int value = (int)*pos << bit_num;
	int msb = value >> 15;
	value = (value & 0x7FFF) \| msb;

	pos++;
	bit_num++;

	xored ^= value;
	}

	return xored ^ (bit_num - 1) ^ 0xCE4B;
	}