Add FFI support for constants with C-compatible functions

1 files changed, 13 insertions, 0 deletions

diff --git a/ffi/src/lib.rs b/ffi/src/lib.rs
new file mode 100644
index 0000000..7ffcb00
--- /dev/null
+++ b/ffi/src/lib.rs
@@ -0,0 +1,13 @@
+// Export constants functions
+pub use constants::*;
+
+#[unsafe(no_mangle)]
+#[allow(nonstandard_style)]
+pub extern "C" fn JV_FreeString(ptr: *mut libc::c_char) {
+    if ptr.is_null() {
+        return;
+    }
+    unsafe {
+        drop(std::ffi::CString::from_raw(ptr));
+    }
+}