util: add murmurhash3 hash function

1 files changed, 10 insertions, 0 deletions

diff --git a/src/util/murmurhash3.h b/src/util/murmurhash3.h
new file mode 100644
index 000000000..9174554b9
--- /dev/null
+++ b/src/util/murmurhash3.h
@@ -0,0 +1,10 @@
+/* This file is based on the public domain MurmurHash3 from Austin Appleby:
+ * http://code.google.com/p/smhasher/source/browse/trunk/MurmurHash3.cpp
+ *
+ * We use only the 32 bit variant because the 2 produce different result while
+ * we need to produce the same result regardless of the architecture as
+ * clients can be both 64 or 32 bit at the same time.
+ */
+
+uint32_t murmurhash3(const char *key, int len, uint32_t seed);
+