BOOL CheckHash::CheckHashFileDB(CHAR *pszInput)
{
	int l = 0;
	int r = m_map_file.size;
	int m = ((l / HASH_SIZE + r / HASH_SIZE) / 2) * HASH_SIZE;
	int cmp = 0;

	while (m >= l && m <= r) {
		cmp = memcmp(pszInput, m_map_file.pVal + m, HASH_SIZE);
		if (cmp == 0) {
			return TRUE;
		}

		if (cmp < 0) {
			r = m - 1;
		}

		if (cmp > 0) {
			l = m + HASH_SIZE;
		}

		if (l < 0 || r < 0 || r > m_map_file.size || r < l) {
			break;
		}

		m = ((l / HASH_SIZE + r / HASH_SIZE) / 2) * HASH_SIZE;
	}

	return FALSE;