Add benchmarks for SpookyHashV2 and constify SpookyHashV2::Final

[folly.git] / folly / SpookyHashV2.cpp

diff --git a/folly/SpookyHashV2.cpp b/folly/SpookyHashV2.cpp
index 45f640ab2960adcfc2c4d06bcd33716160bf6884..e2f665f2259dd6d830361a0e4511b6928bbdaa57 100644 (file)
--- a/folly/SpookyHashV2.cpp
+++ b/folly/SpookyHashV2.cpp
@@ -323,7 +323,7 @@ void SpookyHashV2::Update(const void *message, size_t length)
 
 
 // report the hash for the concatenation of all message fragments so far
-void SpookyHashV2::Final(uint64_t *hash1, uint64_t *hash2)
+void SpookyHashV2::Final(uint64_t *hash1, uint64_t *hash2) const
 {
     // init the variables
     if (m_length < sc_bufSize)
@@ -334,7 +334,9 @@ void SpookyHashV2::Final(uint64_t *hash1, uint64_t *hash2)
         return;
     }
 
-    const uint64_t *data = (const uint64_t *)m_data;
+    uint64_t buf[2*sc_numVars];
+    memcpy(buf, m_data, sizeof(buf));
+    uint64_t *data = buf;
     uint8_t remainder = m_remainder;
 
     uint64_t h0 = m_state[0];