1 files changed, 28 insertions, 0 deletions
diff --git a/src/common/compat_rust.h b/src/common/compat_rust.h
new file mode 100644
index 0000000000..72fde39296
--- /dev/null
+++ b/src/common/compat_rust.h
@@ -0,0 +1,28 @@
+/* Copyright (c) 2017, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+/**
+ * \file rust_compat.h
+ * \brief Headers for rust_compat.c
+ **/
+
+#ifndef TOR_RUST_COMPAT_H
+#define TOR_RUST_COMPAT_H
+
+#include "torint.h"
+
+/**
+ * Strings allocated in Rust must be freed from Rust code again. Let's make
+ * it less likely to accidentally mess up and call tor_free() on it, because
+ * currently it'll just work but might break at any time.
+ */
+typedef uintptr_t rust_str_t;
+
+void rust_str_free(rust_str_t);
+
+const char *rust_str_get(const rust_str_t);
+
+rust_str_t rust_welcome_string(void);
+
+#endif /* !defined(TOR_RUST_COMPAT_H) */
+