From 2eee382a62a909d5a3f2f5eda94f30fe68fd5335 Mon Sep 17 00:00:00 2001
From: "kr.angelov" <kr.angelov@gmail.com>
Date: Fri, 20 Jan 2012 13:41:10 +0000
Subject: initial import of the C runtime

---
 src/runtime/c/gu/hash.h | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 src/runtime/c/gu/hash.h

(limited to 'src/runtime/c/gu/hash.h')

diff --git a/src/runtime/c/gu/hash.h b/src/runtime/c/gu/hash.h
new file mode 100644
index 000000000..e16c2f454
--- /dev/null
+++ b/src/runtime/c/gu/hash.h
@@ -0,0 +1,40 @@
+#ifndef GU_HASH_H_
+#define GU_HASH_H_
+
+#include <gu/fun.h>
+
+typedef GuWord GuHash;
+
+static inline GuHash
+gu_hash_ptr(void* ptr)
+{
+	return (GuHash) ptr;
+}
+
+
+static inline GuHash
+gu_hash_byte(GuHash h, uint8_t u)
+{
+	// Paul Larson's simple byte hash
+	return h * 101 + u;
+}
+
+
+GuHash
+gu_hash_bytes(GuHash h, const uint8_t* buf, size_t len);
+
+typedef const struct GuHasher GuHasher;
+
+struct GuHasher {
+	GuEquality eq;
+	GuHash (*hash)(GuHasher* self, const void* p);
+};
+
+
+extern GuHasher gu_int_hasher[1];
+
+extern GuHasher gu_addr_hasher[1];
+
+extern GuHasher gu_word_hasher[1];
+
+#endif // GU_HASH_H_
-- 
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