SHA1 Hasher;
Hasher.update(ArrayRef<uint8_t>((const uint8_t *)&(Buffer)[BlockStartPos],
Buffer.size() - BlockStartPos));
- auto Hash = Hasher.result();
- SmallVector<uint64_t, 20> Vals;
- auto LShift = [&](unsigned char Val, unsigned Amount)
- -> uint64_t { return ((uint64_t)Val) << Amount; };
+ StringRef Hash = Hasher.result();
+ uint32_t Vals[5];
for (int Pos = 0; Pos < 20; Pos += 4) {
- uint32_t SubHash = LShift(Hash[Pos + 0], 24);
- SubHash |= LShift(Hash[Pos + 1], 16) | LShift(Hash[Pos + 2], 8) |
- (unsigned)(unsigned char)Hash[Pos + 3];
- Vals.push_back(SubHash);
+ Vals[Pos / 4] = support::endian::read32be(Hash.data() + Pos);
}
// Emit the finished record.