in src/hbase/utils/bytes-util.cc [32:50]
std::string BytesUtil::ToString(int64_t val) {
std::string res;
#if BOOST_ENDIAN_BIG_BYTE || BOOST_ENDIAN_BIG_WORD
for (int i = 7; i > 0; i--) {
res += (int8_t)(val & 0xffu);
val = val >> 8;
}
res += (int8_t)val;
#else
int64_t mask = 0xff00000000000000u;
for (int i = 56; i >= 1; i -= 8) {
auto num = ((val & mask) >> i);
res += num;
mask = mask >> 8;
}
res += (val & 0xff);
#endif
return res;
}