Initial

djb2.c

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+#include "hash/djb2.h"
+
+/*
+ * Simple hash function djb2, as in Daniel J. Berenstein.
+ */
+
+uint64_t djb2(const char *str) {
+    uint64_t h = 5381;
+    int           c;
+
+    while ((c = *str++)) h = ((h << 5) + h) + c; // h = h * 33 + c;
+
+    return h;
+}