Implement unix fs ops

wnfs-wg · Apr 14, 2022 · 14d8eb4 · 14d8eb4
1 parent 2547c39
commit 14d8eb4
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Showing 4 changed files with 279 additions and 78 deletions.
diff --git a/crates/fs/common/error.rs b/crates/fs/common/error.rs
@@ -16,6 +16,7 @@ pub enum FsError {
     NotADirectory,
     NotFound,
     FileAlreadyExists,
+    DirectoryAlreadyExists,
     UndecodableCborData(String),
 }
 

diff --git a/crates/fs/lib.rs b/crates/fs/lib.rs
@@ -2,6 +2,7 @@ mod common;
 pub mod public;
 
 pub use common::*;
+pub use utils::*;
 
 //--------------------------------------------------------------------------------------------------
 // Re-exports
@@ -13,3 +14,17 @@ pub use libipld::{
     codec::{Decode, Encode},
     Cid, IpldCodec,
 };
+
+//--------------------------------------------------------------------------------------------------
+// Utils
+//--------------------------------------------------------------------------------------------------
+
+mod utils {
+    use std::{cell::RefCell, rc::Rc};
+
+    pub type Shared<T> = Rc<RefCell<T>>;
+
+    pub fn shared<T>(t: T) -> Shared<T> {
+        Rc::new(RefCell::new(t))
+    }
+}