initial commit

xxhash.cc

@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: Apache-2.0
+ * (c) 2025, Konstantin Demin
+ */
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+
+#define XXH_IMPLEMENTATION
+
+#include "xxhash.hh"
+
+xxhash_t xxhash(const void * input, size_t len, xxhash_t seed)
+{
+#ifndef XXH_NO_LONG_LONG
+	XXH64_state_t st;
+	XXH64_reset(&st, seed);
+	XXH64_update(&st, input, len);
+	return XXH64_digest(&st);
+#else
+	XXH32_state_t st;
+	XXH32_reset(&st, seed);
+	XXH32_update(&st, input, len);
+	return XXH32_digest(&st);
+#endif
+}