Add C FFI bindings for library usage

1 files changed, 12 insertions, 0 deletions

diff --git a/ffi/src/lib.rs b/ffi/src/lib.rs
new file mode 100644
index 0000000..46503ed
--- /dev/null
+++ b/ffi/src/lib.rs
@@ -0,0 +1,12 @@
+pub use butchunker::ctx::ffi::*;
+
+#[unsafe(no_mangle)]
+#[allow(nonstandard_style)]
+pub extern "C" fn Butck_FreeString(ptr: *mut libc::c_char) {
+    if ptr.is_null() {
+        return;
+    }
+    unsafe {
+        drop(std::ffi::CString::from_raw(ptr));
+    }
+}