1 files changed, 39 insertions, 0 deletions
diff --git a/ext/hash/murmur/PMurHash128.h b/ext/hash/murmur/PMurHash128.h
new file mode 100644
index 0000000000..0d372ff355
--- /dev/null
+++ b/ext/hash/murmur/PMurHash128.h
@@ -0,0 +1,39 @@
+/*-----------------------------------------------------------------------------
+ * MurmurHash3 was written by Austin Appleby, and is placed in the public
+ * domain.
+ *
+ * This is a c++ implementation of MurmurHash3_128 with support for progressive
+ * processing based on PMurHash implementation written by Shane Day.
+ */
+
+/* ------------------------------------------------------------------------- */
+
+// Microsoft Visual Studio
+
+#if defined(_MSC_VER) && (_MSC_VER < 1600)
+
+typedef unsigned char uint8_t;
+typedef unsigned int uint32_t;
+typedef unsigned __int64 uint64_t;
+
+// Other compilers
+
+#else // defined(_MSC_VER)
+
+#include <stdint.h>
+
+#endif // !defined(_MSC_VER)
+
+/* ------------------------------------------------------------------------- */
+/* Formal prototypes */
+
+// PMurHash128x64
+void PMurHash128x64_Process(uint64_t ph[2], uint64_t pcarry[2], const void *key, int len);
+void PMurHash128x64_Result(const uint64_t ph[2], const uint64_t pcarry[2], uint32_t total_length, uint64_t out[2]);
+void PMurHash128x64(const void * key, const int len, uint32_t seed, void * out);
+
+// PMurHash128x86
+void PMurHash128x86_Process(uint32_t ph[4], uint32_t pcarry[4], const void *key, int len);
+void PMurHash128x86_Result(const uint32_t ph[4], const uint32_t pcarry[4], uint32_t total_length, uint32_t out[4]);
+void PMurHash128x86(const void * key, const int len, uint32_t seed, void * out);
+