1 files changed, 20 insertions, 0 deletions
diff --git a/extra/libkeccak_state_duplicate.c b/extra/libkeccak_state_duplicate.c
new file mode 100644
index 0000000..3d90d02
--- /dev/null
+++ b/extra/libkeccak_state_duplicate.c
@@ -0,0 +1,20 @@
+/* See LICENSE file for copyright and license details. */
+#include "../common.h"
+
+
+/**
+ * A wrapper for `libkeccak_state_copy` that also allocates the duplicate
+ * 
+ * @param   src  The state to duplicate
+ * @return       The duplicate, `NULL` on error
+ */
+struct libkeccak_state *
+libkeccak_state_duplicate(const struct libkeccak_state *src)
+{
+	struct libkeccak_state *dest = malloc(sizeof(struct libkeccak_state));
+	if (!dest || libkeccak_state_copy(dest, src)) {
+		libkeccak_state_free(dest);
+		return NULL;
+	}
+	return dest;
+}