1 files changed, 13 insertions, 0 deletions
diff --git a/src/mem/memhash.c b/src/mem/memhash.c
new file mode 100644
index 0000000..d752fed
--- /dev/null
+++ b/src/mem/memhash.c
@@ -0,0 +1,13 @@
+#include <limits.h>
+#include <stdint.h>
+#include <mem.h>
+
+size_t calt_memhash(const void *ptr, size_t count) {
+	unsigned char const *p = ptr;
+	size_t hash = 0;
+	size_t const hash_bits = sizeof hash;
+	while (count-- > 0) {
+		hash ^= (size_t) * (p++) << count % hash_bits * CHAR_BIT;
+	}
+	return hash;
+}