added hash and equality functions for uint64_t

The hash function is identical to the 32-bit signed int hash function. This
function is unideal for such extended use, but is sufficient for now

1 files changed, 7 insertions, 0 deletions

diff --git a/dict.h b/dict.h
index 18ad785..a17e1da 100644
--- a/dict.h
+++ b/dict.h
@@ -22,6 +22,7 @@
 #define _DICT_H_
 
 #include <stddef.h>
+#include <stdint.h>
 #include <assert.h>
 #include "vect.h"
 
@@ -231,6 +232,12 @@ size_t dict_hash_int(const int *key);
 /* An equality predicate callback for integers.  */
 int dict_eq_int(const int *key1, const int *key2);
 
+/* A callback for hashing uint64_t.  */
+size_t dict_hash_uint64(const uint64_t *key);
+
+/* An equality predicate callback for uint64_t.  */
+int dict_eq_uint64(const uint64_t *key1, const uint64_t *key2);
+
 /* A callback for hashing NULL-terminated strings.  */
 size_t dict_hash_string(const char **key);