+read_signed_LEB_128_x(const unsigned char* buffer, size_t* plen,
+ unsigned char byte);
+
+inline int64_t
+read_signed_LEB_128(const unsigned char* buffer, size_t* plen)
+{
+ unsigned char byte = *buffer++;
+
+ if ((byte & 0x80) != 0)
+ return read_signed_LEB_128_x(buffer, plen, byte);
+
+ *plen = 1;
+ if (byte & 0x40)
+ return -(static_cast<int64_t>(1) << 7) | static_cast<int64_t>(byte);
+ return static_cast<int64_t>(byte);
+}