first commit

src/utils/hash.c

@@ -0,0 +1,19 @@
+#include <stdint.h>
+#include "hash.h"
+
+int hashbytes(unsigned char *str, int len)
+{
+	int x = (intptr_t) str; // just to not use 0.
+
+	x ^= *str << 7;
+
+	for(int i = 0; i < len; i += 1)
+		x = (1000003UL * x) ^ *str++;
+
+	x ^= len;
+
+	if(x == -1)
+		x = -2;
+	
+	return x;
+}