Port of libsodium 1.0.16

https://libsodium.org/

include/libsodium/sodium/core.h

@@ -0,0 +1,28 @@
+
+#ifndef sodium_core_H
+#define sodium_core_H
+
+#include "export.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+SODIUM_EXPORT
+int sodium_init(void)
+            __attribute__ ((warn_unused_result));
+
+/* ---- */
+
+SODIUM_EXPORT
+int sodium_set_misuse_handler(void (*handler)(void));
+
+extern void _sodium_misuse(char const *file, int line);
+
+#define sodium_misuse(...) _sodium_misuse(__FILE__, __LINE__)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

include/libsodium/sodium/version.h

@@ -0,0 +1,6 @@
+/*
+ * \brief  Dummy version header needed by libsodium
+ * \author Stefan Kalkowski
+ * \date   2016-02-11
+ */
+