1 files changed, 36 insertions, 0 deletions

diff --git a/libraries/eet/src/lib/eet_utils.c b/libraries/eet/src/lib/eet_utils.c
new file mode 100644
index 0000000..8e591a2
--- /dev/null
+++ b/libraries/eet/src/lib/eet_utils.c
@@ -0,0 +1,36 @@
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif /* ifdef HAVE_CONFIG_H */
+
+#include <stdio.h>
+#include <math.h>
+
+#include "Eet.h"
+#include "Eet_private.h"
+
+int
+_eet_hash_gen(const char *key,
+              int         hash_size)
+{
+   int hash_num = 0;
+   int value, i;
+   int mask;
+   unsigned char *ptr;
+
+   /* no string - index 0 */
+   if (!key)
+     return 0;
+
+   /* calc hash num */
+   for (i = 0, ptr = (unsigned char *)key, value = (int)(*ptr);
+        value;
+        ptr++, i++, value = (int)(*ptr))
+     hash_num ^= (value | (value << 8)) >> (i & 0x7);
+
+   /* mask it */
+   mask = (1 << hash_size) - 1;
+   hash_num &= mask;
+   /* return it */
+   return hash_num;
+} /* _eet_hash_gen */
+